djvu | 5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80

General

Target

5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
Size

758KB
MD5

0e81d0b89d8f5b8f20fd254c243de0fd
SHA1

0f19559e02bd874b4dbc23606f2d41bf727e5ac4
SHA256

5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80
SHA512

43cfea265a468b2fb520514d07eca9828db4e8ce7a91213c9821a86d16c04552f1a9c76c9ecdc573b8b240c31c60b0afbaf5346600a5b8461770aca5a71c5fd7
SSDEEP

12288:wggx5SLFdhqP7nB/v4EQOJheGYWsruXk2I70VGWoKT+x4+eGyTf:wg8gstn4EqGuckB4VGWJTa4+mTf

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/raud/get.php

Attributes

extension
.niwm
offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
payload_url
http://uaery.top/dl/build2.exe

http://zexeq.com/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-v8HcfXTy5x 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: 0681SUjhw

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1132-56-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1228-58-0x00000000035B0000-0x00000000036CB000-memory.dmp	family_djvu
behavioral1/memory/1132-59-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1132-60-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1132-65-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/584-71-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/584-72-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

1652 icacls.exe

pid	process
1652	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\56ab4da8-c462-40df-919f-53c4a04851b2\\5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe\" --AutoStart"	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe

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
6 api.2ip.ua

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe

description	pid	process	target process
PID 1228 set thread context of 1132	1228	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1552 set thread context of 584	1552	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe

pid process

1132 5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe

pid	process
1132	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe

C:\Users\Admin\AppData\Local\Temp\5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
"C:\Users\Admin\AppData\Local\Temp\5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1228

C:\Users\Admin\AppData\Local\Temp\5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
"C:\Users\Admin\AppData\Local\Temp\5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1132

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\56ab4da8-c462-40df-919f-53c4a04851b2" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1652

C:\Users\Admin\AppData\Local\Temp\5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
"C:\Users\Admin\AppData\Local\Temp\5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1552

C:\Users\Admin\AppData\Local\Temp\5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
"C:\Users\Admin\AppData\Local\Temp\5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe" --Admin IsNotAutoStart IsNotTask
4⤵
PID:584

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

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\56ab4da8-c462-40df-919f-53c4a04851b2\5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
Filesize
758KB

MD5
0e81d0b89d8f5b8f20fd254c243de0fd

SHA1
0f19559e02bd874b4dbc23606f2d41bf727e5ac4

SHA256
5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80

SHA512
43cfea265a468b2fb520514d07eca9828db4e8ce7a91213c9821a86d16c04552f1a9c76c9ecdc573b8b240c31c60b0afbaf5346600a5b8461770aca5a71c5fd7

Download Submit
memory/584-71-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/584-72-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1132-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1132-56-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1132-59-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1132-60-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1132-65-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1228-54-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/1228-58-0x00000000035B0000-0x00000000036CB000-memory.dmp

Filesize
1.1MB

Download
memory/1552-66-0x0000000000350000-0x00000000003E2000-memory.dmp

Filesize
584KB

Download

description	pid	process	target process
PID 1228 wrote to memory of 1132	1228	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1228 wrote to memory of 1132	1228	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1228 wrote to memory of 1132	1228	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1228 wrote to memory of 1132	1228	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1228 wrote to memory of 1132	1228	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1228 wrote to memory of 1132	1228	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1228 wrote to memory of 1132	1228	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1228 wrote to memory of 1132	1228	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1228 wrote to memory of 1132	1228	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1228 wrote to memory of 1132	1228	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1228 wrote to memory of 1132	1228	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1132 wrote to memory of 1652	1132	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	icacls.exe
PID 1132 wrote to memory of 1652	1132	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	icacls.exe
PID 1132 wrote to memory of 1652	1132	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	icacls.exe
PID 1132 wrote to memory of 1652	1132	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	icacls.exe
PID 1132 wrote to memory of 1552	1132	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1132 wrote to memory of 1552	1132	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1132 wrote to memory of 1552	1132	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1132 wrote to memory of 1552	1132	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1552 wrote to memory of 584	1552	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1552 wrote to memory of 584	1552	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1552 wrote to memory of 584	1552	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1552 wrote to memory of 584	1552	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1552 wrote to memory of 584	1552	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1552 wrote to memory of 584	1552	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1552 wrote to memory of 584	1552	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1552 wrote to memory of 584	1552	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1552 wrote to memory of 584	1552	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1552 wrote to memory of 584	1552	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe
PID 1552 wrote to memory of 584	1552	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe	5f72a701e7a8b3d5c99bd936a7e80aa38c9d4fcbb2525e197f28a7b85c02cc80.exe

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads