djvu | 0336cc8aff0e4974ede9e8901abeb10f836d50619cef1cb59aa41b447cea1ca5

General

Target

b7ea7d444d1ed5677537a96796a496dc.exe
Size

738KB
MD5

b7ea7d444d1ed5677537a96796a496dc
SHA1

738054720787a8f80e3a4f1bd92f08b3084190aa
SHA256

0336cc8aff0e4974ede9e8901abeb10f836d50619cef1cb59aa41b447cea1ca5
SHA512

6bfacd6fd078715661afc9e3657c625d8b941bfeeaf323ff798c7c7fb78c64f813c96c4a1cffeda08c2f820e8e315f0cc14944087a11d1502c4aeafaf068b2f0

Score

10^/10

djvu discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

http://acacaca.org/test2/get.php

Attributes

extension
.vvyu
offline_id
rE5LpDv2ftYRXAo7bC18EpzfRMTHSGjgfyIMfZt1
payload_url
http://rgyui.top/dl/build2.exe
http://acacaca.org/files/1/build3.exe
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-QsoSRIeAK6 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: support@bestyourmail.ch Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0531Jhyjd

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1612-55-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1612-56-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/1412-59-0x0000000003F20000-0x000000000403B000-memory.dmp	family_djvu
behavioral1/memory/1612-61-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1612-62-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1612-66-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1588-69-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/1588-73-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1588-74-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

build2.exebuild2.exe

pid process

1088 build2.exe
816 build2.exe
Loads dropped DLL 2 IoCs

Processes:

b7ea7d444d1ed5677537a96796a496dc.exe

pid process

1588 b7ea7d444d1ed5677537a96796a496dc.exe
1588 b7ea7d444d1ed5677537a96796a496dc.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

1776 icacls.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1088	build2.exe
816	build2.exe

pid	process
1588	b7ea7d444d1ed5677537a96796a496dc.exe
1588	b7ea7d444d1ed5677537a96796a496dc.exe

pid	process
1776	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b7ea7d444d1ed5677537a96796a496dc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\701caa9c-76e4-43c5-a903-f0dbb5adccd6\\b7ea7d444d1ed5677537a96796a496dc.exe\" --AutoStart"	b7ea7d444d1ed5677537a96796a496dc.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 api.2ip.ua
4 api.2ip.ua

flow	ioc
3	api.2ip.ua
4	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

b7ea7d444d1ed5677537a96796a496dc.exeb7ea7d444d1ed5677537a96796a496dc.exebuild2.exe

description	pid	process	target process
PID 1412 set thread context of 1612	1412	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 560 set thread context of 1588	560	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 1088 set thread context of 816	1088	build2.exe	build2.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

build2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe

Modifies system certificate store 2 TTPs 9 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

build2.exeb7ea7d444d1ed5677537a96796a496dc.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	b7ea7d444d1ed5677537a96796a496dc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	build2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	b7ea7d444d1ed5677537a96796a496dc.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	b7ea7d444d1ed5677537a96796a496dc.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	build2.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

b7ea7d444d1ed5677537a96796a496dc.exeb7ea7d444d1ed5677537a96796a496dc.exebuild2.exe

pid process

1612 b7ea7d444d1ed5677537a96796a496dc.exe
1612 b7ea7d444d1ed5677537a96796a496dc.exe
1588 b7ea7d444d1ed5677537a96796a496dc.exe
816 build2.exe

pid	process
1612	b7ea7d444d1ed5677537a96796a496dc.exe
1612	b7ea7d444d1ed5677537a96796a496dc.exe
1588	b7ea7d444d1ed5677537a96796a496dc.exe
816	build2.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

b7ea7d444d1ed5677537a96796a496dc.exeb7ea7d444d1ed5677537a96796a496dc.exeb7ea7d444d1ed5677537a96796a496dc.exeb7ea7d444d1ed5677537a96796a496dc.exebuild2.exe

C:\Users\Admin\AppData\Local\Temp\b7ea7d444d1ed5677537a96796a496dc.exe
"C:\Users\Admin\AppData\Local\Temp\b7ea7d444d1ed5677537a96796a496dc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1412

C:\Users\Admin\AppData\Local\Temp\b7ea7d444d1ed5677537a96796a496dc.exe
"C:\Users\Admin\AppData\Local\Temp\b7ea7d444d1ed5677537a96796a496dc.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\701caa9c-76e4-43c5-a903-f0dbb5adccd6" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1776

C:\Users\Admin\AppData\Local\Temp\b7ea7d444d1ed5677537a96796a496dc.exe
"C:\Users\Admin\AppData\Local\Temp\b7ea7d444d1ed5677537a96796a496dc.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:560

C:\Users\Admin\AppData\Local\Temp\b7ea7d444d1ed5677537a96796a496dc.exe
"C:\Users\Admin\AppData\Local\Temp\b7ea7d444d1ed5677537a96796a496dc.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1588

C:\Users\Admin\AppData\Local\6ab63295-935f-4453-af5c-80fe4fa41420\build2.exe
"C:\Users\Admin\AppData\Local\6ab63295-935f-4453-af5c-80fe4fa41420\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1088

C:\Users\Admin\AppData\Local\6ab63295-935f-4453-af5c-80fe4fa41420\build2.exe
"C:\Users\Admin\AppData\Local\6ab63295-935f-4453-af5c-80fe4fa41420\build2.exe"
6⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:816

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

File Permissions Modification

1

T1222

Modify Registry

2

T1112

Install Root Certificate

1

T1130

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
340B

MD5
7cbc8d4d8ade607862b2102dfe7a5973

SHA1
6178fd07651d1a78db85a24594b0935a2479c73d

SHA256
76c10e1c2eb7cfedb803dba464f93f435d52c1bfe4f210e01c299c1709ceebaf

SHA512
a5ac20dcc16a41e18475ed497a7971126781c4ef5fd6464456cc9701abb20ffebc24a5d6f311cc8bc92de88bef9c230c8648f24dd1d307d519a05aa1c8e2e82a

Download Submit
C:\Users\Admin\AppData\Local\6ab63295-935f-4453-af5c-80fe4fa41420\build2.exe
Filesize
438KB

MD5
2f3d0323ba962334ef87ed098ad02289

SHA1
5b4c70e331af83eaf384f45a01e322b094353375

SHA256
12a51367c5c85ff3c1dc73743cface2e01accecf2879a36adbddf566d52987b3

SHA512
1e33ace1068f614bfac35aa67733c2806328b586be273a611409df87be03c5edc9e312ab213004c8fab71453ef5e34e474d9273c4a97d95d135c18f440674ad3

Download Submit
C:\Users\Admin\AppData\Local\6ab63295-935f-4453-af5c-80fe4fa41420\build2.exe
Filesize
438KB

MD5
2f3d0323ba962334ef87ed098ad02289

SHA1
5b4c70e331af83eaf384f45a01e322b094353375

SHA256
12a51367c5c85ff3c1dc73743cface2e01accecf2879a36adbddf566d52987b3

SHA512
1e33ace1068f614bfac35aa67733c2806328b586be273a611409df87be03c5edc9e312ab213004c8fab71453ef5e34e474d9273c4a97d95d135c18f440674ad3

Download Submit
C:\Users\Admin\AppData\Local\6ab63295-935f-4453-af5c-80fe4fa41420\build2.exe
Filesize
438KB

MD5
2f3d0323ba962334ef87ed098ad02289

SHA1
5b4c70e331af83eaf384f45a01e322b094353375

SHA256
12a51367c5c85ff3c1dc73743cface2e01accecf2879a36adbddf566d52987b3

SHA512
1e33ace1068f614bfac35aa67733c2806328b586be273a611409df87be03c5edc9e312ab213004c8fab71453ef5e34e474d9273c4a97d95d135c18f440674ad3

Download Submit
C:\Users\Admin\AppData\Local\701caa9c-76e4-43c5-a903-f0dbb5adccd6\b7ea7d444d1ed5677537a96796a496dc.exe
Filesize
738KB

MD5
b7ea7d444d1ed5677537a96796a496dc

SHA1
738054720787a8f80e3a4f1bd92f08b3084190aa

SHA256
0336cc8aff0e4974ede9e8901abeb10f836d50619cef1cb59aa41b447cea1ca5

SHA512
6bfacd6fd078715661afc9e3657c625d8b941bfeeaf323ff798c7c7fb78c64f813c96c4a1cffeda08c2f820e8e315f0cc14944087a11d1502c4aeafaf068b2f0

Download Submit
\Users\Admin\AppData\Local\6ab63295-935f-4453-af5c-80fe4fa41420\build2.exe
Filesize
438KB

MD5
2f3d0323ba962334ef87ed098ad02289

SHA1
5b4c70e331af83eaf384f45a01e322b094353375

SHA256
12a51367c5c85ff3c1dc73743cface2e01accecf2879a36adbddf566d52987b3

SHA512
1e33ace1068f614bfac35aa67733c2806328b586be273a611409df87be03c5edc9e312ab213004c8fab71453ef5e34e474d9273c4a97d95d135c18f440674ad3

Download Submit
\Users\Admin\AppData\Local\6ab63295-935f-4453-af5c-80fe4fa41420\build2.exe
Filesize
438KB

MD5
2f3d0323ba962334ef87ed098ad02289

SHA1
5b4c70e331af83eaf384f45a01e322b094353375

SHA256
12a51367c5c85ff3c1dc73743cface2e01accecf2879a36adbddf566d52987b3

SHA512
1e33ace1068f614bfac35aa67733c2806328b586be273a611409df87be03c5edc9e312ab213004c8fab71453ef5e34e474d9273c4a97d95d135c18f440674ad3

Download Submit
memory/560-65-0x0000000000000000-mapping.dmp

Download
memory/560-67-0x0000000000320000-0x00000000003B2000-memory.dmp

Filesize
584KB

Download
memory/560-71-0x0000000000320000-0x00000000003B2000-memory.dmp

Filesize
584KB

Download
memory/816-90-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/816-86-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/816-80-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/816-109-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/816-81-0x000000000041FE8C-mapping.dmp

Download
memory/816-89-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/1088-84-0x00000000005BB000-0x00000000005E4000-memory.dmp

Filesize
164KB

Download
memory/1088-77-0x0000000000000000-mapping.dmp

Download
memory/1088-85-0x0000000000220000-0x0000000000266000-memory.dmp

Filesize
280KB

Download
memory/1412-59-0x0000000003F20000-0x000000000403B000-memory.dmp

Filesize
1.1MB

Download
memory/1412-54-0x0000000002540000-0x00000000025D2000-memory.dmp

Filesize
584KB

Download
memory/1412-58-0x0000000002540000-0x00000000025D2000-memory.dmp

Filesize
584KB

Download
memory/1588-74-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1588-73-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1588-69-0x0000000000424141-mapping.dmp

Download
memory/1612-66-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1612-62-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/1612-61-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/1612-60-0x0000000076291000-0x0000000076293000-memory.dmp

Filesize
8KB

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memory/1612-56-0x0000000000424141-mapping.dmp

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memory/1612-55-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/1776-63-0x0000000000000000-mapping.dmp

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description	pid	process	target process
PID 1412 wrote to memory of 1612	1412	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 1412 wrote to memory of 1612	1412	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 1412 wrote to memory of 1612	1412	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 1412 wrote to memory of 1612	1412	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 1412 wrote to memory of 1612	1412	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 1412 wrote to memory of 1612	1412	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 1412 wrote to memory of 1612	1412	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 1412 wrote to memory of 1612	1412	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 1412 wrote to memory of 1612	1412	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 1412 wrote to memory of 1612	1412	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 1412 wrote to memory of 1612	1412	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 1612 wrote to memory of 1776	1612	b7ea7d444d1ed5677537a96796a496dc.exe	icacls.exe
PID 1612 wrote to memory of 1776	1612	b7ea7d444d1ed5677537a96796a496dc.exe	icacls.exe
PID 1612 wrote to memory of 1776	1612	b7ea7d444d1ed5677537a96796a496dc.exe	icacls.exe
PID 1612 wrote to memory of 1776	1612	b7ea7d444d1ed5677537a96796a496dc.exe	icacls.exe
PID 1612 wrote to memory of 560	1612	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 1612 wrote to memory of 560	1612	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 1612 wrote to memory of 560	1612	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 1612 wrote to memory of 560	1612	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 560 wrote to memory of 1588	560	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 560 wrote to memory of 1588	560	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 560 wrote to memory of 1588	560	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 560 wrote to memory of 1588	560	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 560 wrote to memory of 1588	560	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 560 wrote to memory of 1588	560	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 560 wrote to memory of 1588	560	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 560 wrote to memory of 1588	560	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 560 wrote to memory of 1588	560	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 560 wrote to memory of 1588	560	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 560 wrote to memory of 1588	560	b7ea7d444d1ed5677537a96796a496dc.exe	b7ea7d444d1ed5677537a96796a496dc.exe
PID 1588 wrote to memory of 1088	1588	b7ea7d444d1ed5677537a96796a496dc.exe	build2.exe
PID 1588 wrote to memory of 1088	1588	b7ea7d444d1ed5677537a96796a496dc.exe	build2.exe
PID 1588 wrote to memory of 1088	1588	b7ea7d444d1ed5677537a96796a496dc.exe	build2.exe
PID 1588 wrote to memory of 1088	1588	b7ea7d444d1ed5677537a96796a496dc.exe	build2.exe
PID 1088 wrote to memory of 816	1088	build2.exe	build2.exe
PID 1088 wrote to memory of 816	1088	build2.exe	build2.exe
PID 1088 wrote to memory of 816	1088	build2.exe	build2.exe
PID 1088 wrote to memory of 816	1088	build2.exe	build2.exe
PID 1088 wrote to memory of 816	1088	build2.exe	build2.exe
PID 1088 wrote to memory of 816	1088	build2.exe	build2.exe
PID 1088 wrote to memory of 816	1088	build2.exe	build2.exe
PID 1088 wrote to memory of 816	1088	build2.exe	build2.exe
PID 1088 wrote to memory of 816	1088	build2.exe	build2.exe

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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