djvu | 079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1

General

Target

079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe
Size

774KB
MD5

206a5afb1adfaf0ecfbbf8f5bfe115bf
SHA1

a120c4114ba234c9ee917a7acdabb2ef94db435f
SHA256

079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1
SHA512

b1c926e56d91fe61e8d896539f11641876d796d6417c87b468cd6d5af10cf293d61ad324bad328d795e8a5ab213b07202d0a077e38548a5a88d33cf500088e35
SSDEEP

12288:hl+hp/00meFbunp1FbmJZyaixmOV2aneWbcH67sNQOUlimSEXSHxx9F3aoK:8l09zsjya05neGcAsi4mJ2xkoK

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

http://sajdfue.com/test2/get.php

Attributes

extension
.uazq
offline_id
Jx0i3k2ogR5cKxX1evmz0Ex7TUxOUlnbh2dvnIt1
payload_url
http://sdfjhuz.com/dl/build2.exe

http://sajdfue.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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/df01994dd8d37c2c33469922f8e7155a20240402134014/fd95b0 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0860PsawqS

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 17 IoCs

resource	yara_rule
behavioral1/memory/2872-2-0x00000000049B0000-0x0000000004ACB000-memory.dmp	family_djvu
behavioral1/memory/408-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/408-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/408-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/408-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/408-15-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3132-20-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3132-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3132-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3132-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3132-28-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3132-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3132-32-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3132-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3132-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3132-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3132-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Control Panel\International\Geo\Nation	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
5028	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\defa9bd9-3b12-4647-a2b7-3220d44d4825\\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe\" --AutoStart"	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.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.

flow	ioc
24	api.2ip.ua
25	api.2ip.ua
35	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2872 set thread context of 408	2872	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	87
PID 1008 set thread context of 3132	1008	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	96

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
408	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe
408	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe
3132	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe
3132	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 408	2872	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	87
PID 2872 wrote to memory of 408	2872	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	87
PID 2872 wrote to memory of 408	2872	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	87
PID 2872 wrote to memory of 408	2872	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	87
PID 2872 wrote to memory of 408	2872	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	87
PID 2872 wrote to memory of 408	2872	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	87
PID 2872 wrote to memory of 408	2872	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	87
PID 2872 wrote to memory of 408	2872	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	87
PID 2872 wrote to memory of 408	2872	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	87
PID 2872 wrote to memory of 408	2872	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	87
PID 408 wrote to memory of 5028	408	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	91
PID 408 wrote to memory of 5028	408	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	91
PID 408 wrote to memory of 5028	408	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	91
PID 408 wrote to memory of 1008	408	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	93
PID 408 wrote to memory of 1008	408	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	93
PID 408 wrote to memory of 1008	408	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	93
PID 1008 wrote to memory of 3132	1008	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	96
PID 1008 wrote to memory of 3132	1008	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	96
PID 1008 wrote to memory of 3132	1008	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	96
PID 1008 wrote to memory of 3132	1008	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	96
PID 1008 wrote to memory of 3132	1008	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	96
PID 1008 wrote to memory of 3132	1008	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	96
PID 1008 wrote to memory of 3132	1008	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	96
PID 1008 wrote to memory of 3132	1008	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	96
PID 1008 wrote to memory of 3132	1008	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	96
PID 1008 wrote to memory of 3132	1008	079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe	96

C:\Users\Admin\AppData\Local\Temp\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe
"C:\Users\Admin\AppData\Local\Temp\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Users\Admin\AppData\Local\Temp\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe
  "C:\Users\Admin\AppData\Local\Temp\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:408
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\defa9bd9-3b12-4647-a2b7-3220d44d4825" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:5028
- - C:\Users\Admin\AppData\Local\Temp\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe
    "C:\Users\Admin\AppData\Local\Temp\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1008
  - - C:\Users\Admin\AppData\Local\Temp\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe
      "C:\Users\Admin\AppData\Local\Temp\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:3132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

File and Directory Permissions Modification

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Filesize
1KB

MD5
77fff4010e48018b867bb350fb78b7c2

SHA1
31b0dfcc0b92a789cd5c94dbf8d0f5aca820ed31

SHA256
3e95094f49fea7951fb5ea5551a8b344c1ec16ddaf4f5da7b6bfe1151afa9ee5

SHA512
78a8fc7de1b3cbbc2225790bf55fd64b3c7fa922b4601dcbb1103cc12491da71ebae1eebfaa3a2ce2e0b3b3a7b7229dd448012c23a707f84aae8fe0e996c7e89

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Filesize
724B

MD5
8202a1cd02e7d69597995cabbe881a12

SHA1
8858d9d934b7aa9330ee73de6c476acf19929ff6

SHA256
58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

SHA512
97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Filesize
410B

MD5
e86d1b9357a15ede81173986bc4aeb50

SHA1
61dcb2d6c3935fdf50d3f9104a3081ea6a7eab98

SHA256
fbf3b0d542a2b43d7bacde76ff89c48f34572eb10b62ed09b6cc3f78df9e249c

SHA512
09e65374f515aee045abbee6c056da2999e7da21b5ae563801f52cf5bbbbf6741f1f1fbe928235f47efd39a92c4868f32a6b3114a817901e860c38746ac0fcfe

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Filesize
392B

MD5
83f9f1d6465c1c04b90953a67e33e3e3

SHA1
55761ec5315e70df9a6df56bbee638160a256c98

SHA256
2e25e9f480046e9ece4054d6045f9802026e631758fa18e90fd86d9f48b60836

SHA512
248b3a4fdbcad70e5232fd88858ade04e975fdbb2e21f4e58da7fef579fb46d08198d08ef47715d061fef84ef2712c70632278f407742cc3929518018fed0f55

Download Submit
C:\Users\Admin\AppData\Local\defa9bd9-3b12-4647-a2b7-3220d44d4825\079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1.exe

Filesize
774KB

MD5
206a5afb1adfaf0ecfbbf8f5bfe115bf

SHA1
a120c4114ba234c9ee917a7acdabb2ef94db435f

SHA256
079f10750f5b73ec99eba7b32dd71dc92781a6d612628ee00c6e234135c37fb1

SHA512
b1c926e56d91fe61e8d896539f11641876d796d6417c87b468cd6d5af10cf293d61ad324bad328d795e8a5ab213b07202d0a077e38548a5a88d33cf500088e35

Download Submit
memory/408-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/408-15-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/408-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/408-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/408-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1008-18-0x0000000002DB0000-0x0000000002E4A000-memory.dmp

Filesize
616KB

Download
memory/2872-2-0x00000000049B0000-0x0000000004ACB000-memory.dmp

Filesize
1.1MB

Download
memory/2872-1-0x0000000002F70000-0x0000000003007000-memory.dmp

Filesize
604KB

Download
memory/3132-20-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3132-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3132-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3132-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3132-28-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3132-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3132-32-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3132-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3132-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3132-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3132-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads