djvu | 60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 17:39

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General

Target

JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
Size

784KB
MD5

3f02939a8448241db5113e1020b77aea
SHA1

eb12bd96505025a090ded5ce4ddd86e499768c9c
SHA256

60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d
SHA512

0a13e335fea408e10070f4965b85d8f382fc292a373ec0f05a6373d06b147f77af7894556a540f2096ac35d58afa0204d01f8bc0ac2b13b33f0567f322a15d46
SSDEEP

12288:aVuTlGnCjjSVXscHU/J6+0DDKUp4bH4maov/hMn5sRV/be3euEe1VgSHUz:CgUnbV8y3HebHnaov/hqsHzedVxs

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

http://fuyt.org/test1/get.php

Attributes

extension
.ghas
offline_id
miqhSGmGE63yWs53FTz0fnp8eCARpnaYE3O3p2t1
payload_url
http://zerit.top/dl/build2.exe

http://fuyt.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-0SLhZxAjRX 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: 0445JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 14 IoCs

resource	yara_rule
behavioral1/memory/1752-2-0x0000000001D70000-0x0000000001E8B000-memory.dmp	family_djvu
behavioral1/memory/2340-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2340-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2340-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2340-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3004-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3004-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3004-49-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3004-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3004-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3004-55-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3004-65-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3004-67-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3004-68-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

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

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2868	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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\fe5e8abb-0576-4209-8827-dce0bcbe4dce\\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe\" --AutoStart"	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe

Looks up external IP address via web service 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1752 set thread context of 2340	1752	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	30
PID 2412 set thread context of 3004	2412	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	34

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2340	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
2340	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
3004	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
3004	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2340	1752	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	30
PID 1752 wrote to memory of 2340	1752	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	30
PID 1752 wrote to memory of 2340	1752	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	30
PID 1752 wrote to memory of 2340	1752	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	30
PID 1752 wrote to memory of 2340	1752	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	30
PID 1752 wrote to memory of 2340	1752	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	30
PID 1752 wrote to memory of 2340	1752	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	30
PID 1752 wrote to memory of 2340	1752	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	30
PID 1752 wrote to memory of 2340	1752	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	30
PID 1752 wrote to memory of 2340	1752	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	30
PID 1752 wrote to memory of 2340	1752	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	30
PID 2340 wrote to memory of 2868	2340	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	31
PID 2340 wrote to memory of 2868	2340	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	31
PID 2340 wrote to memory of 2868	2340	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	31
PID 2340 wrote to memory of 2868	2340	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	31
PID 2340 wrote to memory of 2412	2340	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	33
PID 2340 wrote to memory of 2412	2340	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	33
PID 2340 wrote to memory of 2412	2340	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	33
PID 2340 wrote to memory of 2412	2340	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	33
PID 2412 wrote to memory of 3004	2412	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	34
PID 2412 wrote to memory of 3004	2412	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	34
PID 2412 wrote to memory of 3004	2412	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	34
PID 2412 wrote to memory of 3004	2412	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	34
PID 2412 wrote to memory of 3004	2412	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	34
PID 2412 wrote to memory of 3004	2412	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	34
PID 2412 wrote to memory of 3004	2412	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	34
PID 2412 wrote to memory of 3004	2412	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	34
PID 2412 wrote to memory of 3004	2412	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	34
PID 2412 wrote to memory of 3004	2412	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	34
PID 2412 wrote to memory of 3004	2412	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\fe5e8abb-0576-4209-8827-dce0bcbe4dce" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2868
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2412
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:3004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

Filesize
1KB

MD5
67e486b2f148a3fca863728242b6273e

SHA1
452a84c183d7ea5b7c015b597e94af8eef66d44a

SHA256
facaf1c3a4bf232abce19a2d534e495b0d3adc7dbe3797d336249aa6f70adcfb

SHA512
d3a37da3bb10a9736dc03e8b2b49baceef5d73c026e2077b8ebc1b786f2c9b2f807e0aa13a5866cf3b3cafd2bc506242ef139c423eaffb050bbb87773e53881e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

Filesize
436B

MD5
971c514f84bba0785f80aa1c23edfd79

SHA1
732acea710a87530c6b08ecdf32a110d254a54c8

SHA256
f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

SHA512
43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

Filesize
174B

MD5
f7bf4b9f55e4e6e89e1e9b2271eb42b7

SHA1
1bb3e4f283aed51a2c2a7548603a35915a9ec502

SHA256
26fb3e71c976401efe998d4e32b668966a8eff0e2e0f4382a40664b81359e62f

SHA512
56abb186fb3e487be610a1e7b7b6c41178c9b909cdf056eaa09c69f6a08417b8651069761f91fa1bc05aac3d2e7506e2639b5e602a2abed68b169bd30ca2f472

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

Filesize
170B

MD5
bff9da457cbdf1aeca15dd62c1be4806

SHA1
b49b20b4220274c6db7405d5d35b0d37af521582

SHA256
9e11ea4111158cadaf610ed505a2121e0bb1dda575785150de3d07943679eb2d

SHA512
c9b8e69c268bde610929466c61793ee4cf6e15a3ddcdb667b8a1a005183ed54c19ed239f1dd50269edb235da81b534b4413b09abb04f227a0e3a8c2546174645

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab4357.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\fe5e8abb-0576-4209-8827-dce0bcbe4dce\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe

Filesize
784KB

MD5
3f02939a8448241db5113e1020b77aea

SHA1
eb12bd96505025a090ded5ce4ddd86e499768c9c

SHA256
60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d

SHA512
0a13e335fea408e10070f4965b85d8f382fc292a373ec0f05a6373d06b147f77af7894556a540f2096ac35d58afa0204d01f8bc0ac2b13b33f0567f322a15d46

Download Submit
memory/1752-1-0x00000000005B0000-0x0000000000642000-memory.dmp

Filesize
584KB

Download
memory/1752-2-0x0000000001D70000-0x0000000001E8B000-memory.dmp

Filesize
1.1MB

Download
memory/1752-7-0x00000000005B0000-0x0000000000642000-memory.dmp

Filesize
584KB

Download
memory/1752-0-0x00000000005B0000-0x0000000000642000-memory.dmp

Filesize
584KB

Download
memory/2340-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2340-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2340-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2340-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2340-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2412-28-0x0000000000330000-0x00000000003C2000-memory.dmp

Filesize
584KB

Download
memory/2412-29-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/2412-33-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/3004-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3004-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3004-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3004-50-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3004-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3004-55-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3004-65-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3004-67-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3004-68-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download