djvu | 6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62

Analysis

max time kernel
145s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 18:32

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General

Target

JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
Size

796KB
MD5

5c012a04011979931c493a83cddd79a7
SHA1

b4a1c8004b82ed78f39b53f4730a6df0270cb66a
SHA256

6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62
SHA512

b06673f8bd85acc8219cb2a21017dd8942c17395f45568478440e30a2608fa0d674e53a05fe17c36d2407024f259af715896cce892280e179ff66516fc2e563b
SSDEEP

12288:A/qN1D415uvnCgBr65HwvbfhYuRAPIMj67fMJS5/0spyEtFbysWlw:ZzwcCgh6mY6/JUJyttFmsWlw

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

http://ugll.org/fhsgtsspen6/get.php

Attributes

extension
.bbnm
offline_id
QcVY9rkapJoL3nQkZAsvfTFVYLmscrM1v1QxGWt1
payload_url
http://zerit.top/dl/build2.exe

http://ugll.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-6Ti2DxXR3I 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: 0473JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/2460-2-0x00000000006B0000-0x00000000007CB000-memory.dmp	family_djvu
behavioral1/memory/2336-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2336-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2336-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2336-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-49-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-54-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-56-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-57-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-58-0x0000000000400000-0x0000000000537000-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
2844	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\cc998da1-482b-4b3b-81ef-c31c95ac3cac\\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe\" --AutoStart"	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.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
4	api.2ip.ua
5	api.2ip.ua
9	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2460 set thread context of 2336	2460	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	31
PID 2580 set thread context of 2608	2580	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	35

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	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2336	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
2336	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
2608	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
2608	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2336	2460	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	31
PID 2460 wrote to memory of 2336	2460	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	31
PID 2460 wrote to memory of 2336	2460	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	31
PID 2460 wrote to memory of 2336	2460	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	31
PID 2460 wrote to memory of 2336	2460	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	31
PID 2460 wrote to memory of 2336	2460	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	31
PID 2460 wrote to memory of 2336	2460	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	31
PID 2460 wrote to memory of 2336	2460	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	31
PID 2460 wrote to memory of 2336	2460	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	31
PID 2460 wrote to memory of 2336	2460	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	31
PID 2460 wrote to memory of 2336	2460	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	31
PID 2336 wrote to memory of 2844	2336	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	33
PID 2336 wrote to memory of 2844	2336	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	33
PID 2336 wrote to memory of 2844	2336	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	33
PID 2336 wrote to memory of 2844	2336	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	33
PID 2336 wrote to memory of 2580	2336	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	34
PID 2336 wrote to memory of 2580	2336	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	34
PID 2336 wrote to memory of 2580	2336	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	34
PID 2336 wrote to memory of 2580	2336	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	34
PID 2580 wrote to memory of 2608	2580	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	35
PID 2580 wrote to memory of 2608	2580	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	35
PID 2580 wrote to memory of 2608	2580	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	35
PID 2580 wrote to memory of 2608	2580	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	35
PID 2580 wrote to memory of 2608	2580	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	35
PID 2580 wrote to memory of 2608	2580	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	35
PID 2580 wrote to memory of 2608	2580	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	35
PID 2580 wrote to memory of 2608	2580	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	35
PID 2580 wrote to memory of 2608	2580	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	35
PID 2580 wrote to memory of 2608	2580	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	35
PID 2580 wrote to memory of 2608	2580	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	35

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2336
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\cc998da1-482b-4b3b-81ef-c31c95ac3cac" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2844
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2580
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2608

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

Replay Monitor

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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
569f0f7243a84d9b409f3849c68fd89d

SHA1
ce42dd51e09f0942616af971a31d7d154ca8b20c

SHA256
8b736687449bdcbbc92b6286e30a2547492a3007f8cd1f9f3bbfc539bb803fe7

SHA512
f635a3c8a2aa12c28e58109630257a255b4acadbfd607fb301ec40c03c2b2e2dcdad521744ebc5fe8c427729b161c81d3cbc744bf5b8d841afdc672035625e91

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

Filesize
170B

MD5
d1d6be3bd065c9f35ba0c55d064c9e31

SHA1
7ff4e745ae30d5c00ef6bd30299ca3b89092d8eb

SHA256
e29208fa212e79a0d76424c63a974ec6d74570323be6bdd97c8b717a43cdf168

SHA512
b34b76b9bdbc857c9c0a92e07f2e0f33f6c43509ea930384ccee46410b601d9bb4d7ccf26ea5b7634dd8d586de64b40c11dbff9e30c42d3dc44ebd0ecfcefe44

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabE6F5.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\cc998da1-482b-4b3b-81ef-c31c95ac3cac\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe

Filesize
796KB

MD5
5c012a04011979931c493a83cddd79a7

SHA1
b4a1c8004b82ed78f39b53f4730a6df0270cb66a

SHA256
6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62

SHA512
b06673f8bd85acc8219cb2a21017dd8942c17395f45568478440e30a2608fa0d674e53a05fe17c36d2407024f259af715896cce892280e179ff66516fc2e563b

Download Submit
memory/2336-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2336-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2336-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2336-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2336-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2460-7-0x0000000000330000-0x00000000003C2000-memory.dmp

Filesize
584KB

Download
memory/2460-2-0x00000000006B0000-0x00000000007CB000-memory.dmp

Filesize
1.1MB

Download
memory/2460-1-0x0000000000330000-0x00000000003C2000-memory.dmp

Filesize
584KB

Download
memory/2460-0-0x0000000000330000-0x00000000003C2000-memory.dmp

Filesize
584KB

Download
memory/2580-29-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/2580-35-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/2580-28-0x0000000000580000-0x0000000000612000-memory.dmp

Filesize
584KB

Download
memory/2608-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-50-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-54-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-56-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-57-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-58-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download