djvu | 0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0

General

Target

0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
Size

826KB
MD5

4a00896f19a36e2f34b23be43ebe48d5
SHA1

4ff12a883edb79055cae298b99f00dcb70a47243
SHA256

0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0
SHA512

5cda3ddaf82fb0baa5ac8ad3327a4699bbd0c1784a80073c9c19f82d1f3153704aab8026d8d6fd2df2136302079b1aa3c6d23ab20666b2cb3fe7c10dacfd4ee1

Score

10^/10

djvu discovery persistence ransomware suricata

Malware Config

Extracted

Family

djvu

C2

http://tzgl.org/lancer/get.php

Attributes

extension
.hgsh
offline_id
gYuqQ5GsAaJom08TivUVhlPzZDKd916x4NcXrWt1
payload_url
http://kotob.top/dl/build2.exe

http://tzgl.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-m8LBBi8x8F 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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0358Sigrj

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2592-116-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2592-117-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/3152-118-0x0000000002410000-0x000000000252B000-memory.dmp	family_djvu
behavioral1/memory/2592-119-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3868-125-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/3868-130-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

1232 icacls.exe

pid	process
1232	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\85869c60-8d60-4bbf-b0c2-a3edb4dc9187\\0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe\" --AutoStart"	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

8 api.2ip.ua
9 api.2ip.ua
26 api.2ip.ua

flow	ioc
8	api.2ip.ua
9	api.2ip.ua
26	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

Processes:

0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe

description	pid	process	target process
PID 3152 set thread context of 2592	3152	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 2088 set thread context of 3868	2088	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe

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

System Information Discovery
T1082

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe

pid	process
2592	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
2592	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
3868	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
3868	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe

C:\Users\Admin\AppData\Local\Temp\0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
"C:\Users\Admin\AppData\Local\Temp\0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Users\Admin\AppData\Local\Temp\0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
  "C:\Users\Admin\AppData\Local\Temp\0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe"
  2⤵
  - Adds Run key to start application
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2592
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\85869c60-8d60-4bbf-b0c2-a3edb4dc9187" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:1232
- - C:\Users\Admin\AppData\Local\Temp\0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
    "C:\Users\Admin\AppData\Local\Temp\0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2088
  - - C:\Users\Admin\AppData\Local\Temp\0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
      "C:\Users\Admin\AppData\Local\Temp\0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:3868

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

1

T1222

Install Root Certificate

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

MD5
1c63500df0b57e29edd1a5867d9f0e9b

SHA1
0475a0611ac4d171e90b46303b96317fc186b15d

SHA256
c8f7c1bd12b80996707a806866379d91dc3008d5d2b0eeeb6d97d418aeeb7914

SHA512
29b914ffe63496d98e8ffb76afde49702888743c88bd0fc6aabdf3e8855e3a5389d933a29ccb4564e8d3198c159a1debfb56d6f39f428689f8eb4d497b341bde

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

MD5
65052acb8dc97b38007797064162c9a1

SHA1
862cf5f74d74b85103b088650a230ed0c6d32df3

SHA256
ef406913c83356f132bbc250646c24befee2acfdabbc9debcbca68c1da01a30f

SHA512
976f4bd21af190164d04534f4e534d44e14fd5d3c6798421f84ead4e0a53f25d386d4b59bfe0c7c5865af4f22593d975d6b48292b024a4b6ca0d65ff6ee735bd

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

MD5
2d466a0c9e8655ded7bb652d9f6ff237

SHA1
1f065aa6a1e5be6b94d0d60d7a9aca7353634cc7

SHA256
6d1832bb4d7f17d330bcc3393f8e2faa88256316d1e3f2d407792b80279333e0

SHA512
cee35dbf5a3388d938be89f03c3d1be711552c6e40b79ca1acea5a241313324d18c12f50c11cb86d2f88580445bca45b6b8ce2949265b00473f0aa8e52c9b85a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

MD5
b1b20d631c3d625010fc5341ca3db4fa

SHA1
77f53edb42eca7529e48689437027ac02664335d

SHA256
412f8431251f73261d00d065aa640c2f520ddd26edbcdb5fd1612a8734346594

SHA512
a8922e79c563585906b4aab473b3f3e79f884e8926351dcf9ddfb4bd57d9846c767702e05c068957d1cc52117f8dd72090848a6eaec2a30b89b3540466519002

Download Submit
C:\Users\Admin\AppData\Local\85869c60-8d60-4bbf-b0c2-a3edb4dc9187\0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe

MD5
4a00896f19a36e2f34b23be43ebe48d5

SHA1
4ff12a883edb79055cae298b99f00dcb70a47243

SHA256
0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0

SHA512
5cda3ddaf82fb0baa5ac8ad3327a4699bbd0c1784a80073c9c19f82d1f3153704aab8026d8d6fd2df2136302079b1aa3c6d23ab20666b2cb3fe7c10dacfd4ee1

Download Submit
memory/1232-120-0x0000000000000000-mapping.dmp

Download
memory/2088-122-0x0000000000000000-mapping.dmp

Download
memory/2088-123-0x00000000020EE000-0x000000000217F000-memory.dmp

Filesize
580KB

Download
memory/2592-116-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2592-117-0x0000000000424141-mapping.dmp

Download
memory/2592-119-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3152-118-0x0000000002410000-0x000000000252B000-memory.dmp

Filesize
1.1MB

Download
memory/3152-115-0x00000000022A7000-0x0000000002338000-memory.dmp

Filesize
580KB

Download
memory/3868-125-0x0000000000424141-mapping.dmp

Download
memory/3868-130-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download

description	pid	process	target process
PID 3152 wrote to memory of 2592	3152	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 3152 wrote to memory of 2592	3152	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 3152 wrote to memory of 2592	3152	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 3152 wrote to memory of 2592	3152	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 3152 wrote to memory of 2592	3152	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 3152 wrote to memory of 2592	3152	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 3152 wrote to memory of 2592	3152	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 3152 wrote to memory of 2592	3152	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 3152 wrote to memory of 2592	3152	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 3152 wrote to memory of 2592	3152	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 2592 wrote to memory of 1232	2592	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	icacls.exe
PID 2592 wrote to memory of 1232	2592	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	icacls.exe
PID 2592 wrote to memory of 1232	2592	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	icacls.exe
PID 2592 wrote to memory of 2088	2592	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 2592 wrote to memory of 2088	2592	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 2592 wrote to memory of 2088	2592	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 2088 wrote to memory of 3868	2088	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 2088 wrote to memory of 3868	2088	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 2088 wrote to memory of 3868	2088	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 2088 wrote to memory of 3868	2088	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 2088 wrote to memory of 3868	2088	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 2088 wrote to memory of 3868	2088	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 2088 wrote to memory of 3868	2088	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 2088 wrote to memory of 3868	2088	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 2088 wrote to memory of 3868	2088	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe
PID 2088 wrote to memory of 3868	2088	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe	0d1958927041ca319d9722d4fb565c512afa1596e56dbd71f4923b993b6270a0.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads