djvu | 1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c

Analysis

max time kernel
143s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 21:46

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General

Target

JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
Size

757KB
MD5

8dcbf7ea62059c8b10246754c3c9b800
SHA1

177493084646918c0b6bed606be6dc2901cab25b
SHA256

1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c
SHA512

4ce4990575ed8ef8d03d85a532a027443b9c270af6912dc8c45dff99ab604e82e441cabc0aa82784064f7e169709fc41d9c92b36016b6dc1c05e19306f19987a
SSDEEP

12288:6ZUbR65iysDBtkrNmNSVAk2+vFi5thNVlZB+KSNPR7EOuMceBhvTWwSMmgOQzQmx:vR6JSarANSV12AEhNX+5N9oMcOv6wSMo

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.qpss
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: 0448JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/1868-2-0x0000000000750000-0x000000000086B000-memory.dmp	family_djvu
behavioral1/memory/2412-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2412-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2412-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2412-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2336-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2336-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2336-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2336-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2336-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2336-61-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2336-64-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2336-66-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2336-67-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2336-68-0x0000000000400000-0x0000000000537000-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
2728	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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\1047fc70-f1e6-4d3d-bd58-789edf8e33e5\\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe\" --AutoStart"	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.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
3	api.2ip.ua
4	api.2ip.ua
9	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1868 set thread context of 2412	1868	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	28
PID 2640 set thread context of 2336	2640	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	31

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_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2412	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
2336	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2412	1868	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	28
PID 1868 wrote to memory of 2412	1868	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	28
PID 1868 wrote to memory of 2412	1868	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	28
PID 1868 wrote to memory of 2412	1868	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	28
PID 1868 wrote to memory of 2412	1868	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	28
PID 1868 wrote to memory of 2412	1868	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	28
PID 1868 wrote to memory of 2412	1868	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	28
PID 1868 wrote to memory of 2412	1868	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	28
PID 1868 wrote to memory of 2412	1868	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	28
PID 1868 wrote to memory of 2412	1868	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	28
PID 1868 wrote to memory of 2412	1868	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	28
PID 2412 wrote to memory of 2728	2412	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	29
PID 2412 wrote to memory of 2728	2412	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	29
PID 2412 wrote to memory of 2728	2412	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	29
PID 2412 wrote to memory of 2728	2412	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	29
PID 2412 wrote to memory of 2640	2412	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	30
PID 2412 wrote to memory of 2640	2412	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	30
PID 2412 wrote to memory of 2640	2412	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	30
PID 2412 wrote to memory of 2640	2412	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	30
PID 2640 wrote to memory of 2336	2640	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	31
PID 2640 wrote to memory of 2336	2640	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	31
PID 2640 wrote to memory of 2336	2640	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	31
PID 2640 wrote to memory of 2336	2640	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	31
PID 2640 wrote to memory of 2336	2640	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	31
PID 2640 wrote to memory of 2336	2640	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	31
PID 2640 wrote to memory of 2336	2640	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	31
PID 2640 wrote to memory of 2336	2640	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	31
PID 2640 wrote to memory of 2336	2640	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	31
PID 2640 wrote to memory of 2336	2640	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	31
PID 2640 wrote to memory of 2336	2640	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2412
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\1047fc70-f1e6-4d3d-bd58-789edf8e33e5" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2728
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2640
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2336

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
3d80cddbccda3212901fcc92500202a9

SHA1
4715c55c082734850d8f434703a958d390dc0386

SHA256
15c2903f2436f88ba87f1224ed998052aaac8e5207678e86edf46f8cfe9f425d

SHA512
c5f4b3e94a7b5f792a00f3e43161b335c32f72c6c0f477e367e559fcb1663890fd3dd54495525ef0f77e3752859df769baa460d02218906ed3f0b79789127f4b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
e91beca4005621138f9869d2fe643d47

SHA1
ee3778de5f6237763515698d3b4a5d8f6617c965

SHA256
29b9a2359cc093740a136fcfec7ffdcffc9bcec6942f74c75ff646859df686b5

SHA512
75d9549128571b100f35aff22cd684ae444552efa9f5773dea4954e5df02df9d7953dce765a62ec113553d9b36b19724e1fa876152aa3ff4e1f4072b982b91e1

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

Filesize
170B

MD5
7b76ccf229165f352a25c2a83fb6b377

SHA1
13724a1fc194b14a1fcff52714460420d28113af

SHA256
71a4be497e862f1a0f3bba50176070cf7c218c03f08fd1a4d68033048ea8b2fa

SHA512
25e7570fa455237bbaedd93755e8caeaab97075091cc567c3c0389cb56ed935ccd3de672a74030bab9b5299a2b38711406467dea147e5e5d6fe0151e201cbcc6

Download Submit
C:\Users\Admin\AppData\Local\1047fc70-f1e6-4d3d-bd58-789edf8e33e5\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe

Filesize
757KB

MD5
8dcbf7ea62059c8b10246754c3c9b800

SHA1
177493084646918c0b6bed606be6dc2901cab25b

SHA256
1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c

SHA512
4ce4990575ed8ef8d03d85a532a027443b9c270af6912dc8c45dff99ab604e82e441cabc0aa82784064f7e169709fc41d9c92b36016b6dc1c05e19306f19987a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab80A5.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/1868-1-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/1868-2-0x0000000000750000-0x000000000086B000-memory.dmp

Filesize
1.1MB

Download
memory/1868-0-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/1868-6-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/2336-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2336-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2336-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2336-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2336-68-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2336-67-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2336-66-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2336-64-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2336-61-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2336-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2412-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2412-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2412-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2412-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2412-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2640-36-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2640-30-0x0000000000560000-0x00000000005F1000-memory.dmp

Filesize
580KB

Download
memory/2640-31-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download