djvu | e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142

Analysis

max time kernel
145s
max time network
132s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-12-2024 00:33

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General

Target

JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe
Size

770KB
MD5

995e87be1645f3abf61be2fe62023a41
SHA1

57772668f4aaf3bb473aa14ea93955e3dcab2499
SHA256

e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142
SHA512

1f345e2533077d30a18ad2500d5af1182cc5da15f381415574b53cc1b9ba77f017125a4c39ab8521ff1a60c6198d6bc54c4b39d0d708fb03c06669bedb27e15d
SSDEEP

24576:NJJxxZXojNrkMPFXs+U1Xyz6i/PY+bLNiXy4wFh5A:NqpU+U1XLinBbLNTO

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.udla
offline_id
qwVQoIsE2xLety0oNWloOilSDuIBXJGK86LM3ot1
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-fnn5kv33Vv 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: 0435JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/2204-2-0x0000000001E90000-0x0000000001FAB000-memory.dmp	family_djvu
behavioral1/memory/1740-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1740-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1740-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1740-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2996-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2996-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2996-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2996-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2996-54-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2996-58-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2996-67-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2996-70-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2996-69-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2996-71-0x0000000000400000-0x0000000000537000-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
2416	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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\350ce4c2-acca-4d00-9abb-799d6ee93154\\JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe\" --AutoStart"	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.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
5	api.2ip.ua
9	api.2ip.ua
4	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2204 set thread context of 1740	2204	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	28
PID 1276 set thread context of 2996	1276	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	32

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_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1740	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe
1740	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe
2996	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe
2996	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 1740	2204	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	28
PID 2204 wrote to memory of 1740	2204	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	28
PID 2204 wrote to memory of 1740	2204	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	28
PID 2204 wrote to memory of 1740	2204	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	28
PID 2204 wrote to memory of 1740	2204	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	28
PID 2204 wrote to memory of 1740	2204	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	28
PID 2204 wrote to memory of 1740	2204	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	28
PID 2204 wrote to memory of 1740	2204	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	28
PID 2204 wrote to memory of 1740	2204	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	28
PID 2204 wrote to memory of 1740	2204	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	28
PID 2204 wrote to memory of 1740	2204	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	28
PID 1740 wrote to memory of 2416	1740	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	30
PID 1740 wrote to memory of 2416	1740	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	30
PID 1740 wrote to memory of 2416	1740	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	30
PID 1740 wrote to memory of 2416	1740	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	30
PID 1740 wrote to memory of 1276	1740	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	31
PID 1740 wrote to memory of 1276	1740	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	31
PID 1740 wrote to memory of 1276	1740	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	31
PID 1740 wrote to memory of 1276	1740	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	31
PID 1276 wrote to memory of 2996	1276	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	32
PID 1276 wrote to memory of 2996	1276	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	32
PID 1276 wrote to memory of 2996	1276	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	32
PID 1276 wrote to memory of 2996	1276	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	32
PID 1276 wrote to memory of 2996	1276	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	32
PID 1276 wrote to memory of 2996	1276	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	32
PID 1276 wrote to memory of 2996	1276	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	32
PID 1276 wrote to memory of 2996	1276	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	32
PID 1276 wrote to memory of 2996	1276	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	32
PID 1276 wrote to memory of 2996	1276	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	32
PID 1276 wrote to memory of 2996	1276	JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\350ce4c2-acca-4d00-9abb-799d6ee93154" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2416
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1276
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2996

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
f2b8ffe32b0cd6e7f5fa277ac516a54a

SHA1
51c7ec91b917eaa2a55633f26a72337949f7dacf

SHA256
e2416baf81f86d67fb096bc42ee5995893f40a3de661ae8650f8f952e346819e

SHA512
80ab1113bc56b96d7fb082db8c0b7973e37644ad522795679967153f88e9c0d760e8521b9da0a527308684e6292b5e32c539b74b017e51f6d69aaa7d4bbc5afb

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

Filesize
170B

MD5
4edcbc76cd22d5f6435569572cb7ec70

SHA1
cc3d1ef5e7104599f64a895dc4c8a4c86aa261db

SHA256
b5821bc4575353a93fbd98aed76aa3cd66c1f4c012d19256a5038d96f3d9ac34

SHA512
7d7f6f14e5c7969b1c12abc03bc4c54262144638ea459acfaabe10c0d9fec4043c45cc26eee5133965e795c14708e54781e5dec1f32ef57dc0a1e1ace83b394f

Download Submit
C:\Users\Admin\AppData\Local\350ce4c2-acca-4d00-9abb-799d6ee93154\JaffaCakes118_e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142.exe

Filesize
770KB

MD5
995e87be1645f3abf61be2fe62023a41

SHA1
57772668f4aaf3bb473aa14ea93955e3dcab2499

SHA256
e7e3026d58fa7eecf468124c17accb5cceb95dff66fb7d3d856349c5e8623142

SHA512
1f345e2533077d30a18ad2500d5af1182cc5da15f381415574b53cc1b9ba77f017125a4c39ab8521ff1a60c6198d6bc54c4b39d0d708fb03c06669bedb27e15d

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabB184.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/1276-36-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/1276-30-0x0000000000300000-0x0000000000391000-memory.dmp

Filesize
580KB

Download
memory/1276-31-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/1740-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1740-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1740-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1740-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1740-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2204-7-0x00000000004F0000-0x0000000000581000-memory.dmp

Filesize
580KB

Download
memory/2204-0-0x00000000004F0000-0x0000000000581000-memory.dmp

Filesize
580KB

Download
memory/2204-2-0x0000000001E90000-0x0000000001FAB000-memory.dmp

Filesize
1.1MB

Download
memory/2204-1-0x00000000004F0000-0x0000000000581000-memory.dmp

Filesize
580KB

Download
memory/2996-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-54-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-58-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-67-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-70-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-69-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-71-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download