djvu | 13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192

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
30/12/2024, 00:12

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General

Target

JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe
Size

761KB
MD5

ce757c1a99b7f11b86afd2eec2495629
SHA1

09cc7b1975e40f2201fdad2b63e84662f8d7ee67
SHA256

13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192
SHA512

abf4e9a6ac1ca6b44e0b0112cf11c41a95025c0d8202f5939a2137c52d73c37c2dc40d877d5274d7ae154dc3dbf99497401a16fb605d9ec67a853fd319a63079
SSDEEP

12288:HWxvYkG6LkmAeby675E3bGeeFbYzAenZTWRnDiTDUTTuWI1t4PUewAXPBmggF:25Gt5/930qAenZTWROUTTud9Gjg

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 15 IoCs

resource	yara_rule
behavioral1/memory/2080-2-0x00000000004F0000-0x000000000060B000-memory.dmp	family_djvu
behavioral1/memory/2492-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2492-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2492-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2492-25-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-47-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-49-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-62-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-64-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-65-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-66-0x0000000000400000-0x0000000000537000-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
2288	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\5733fc0a-6847-4753-884a-0a752b2d2137\\JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe\" --AutoStart"	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.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 2080 set thread context of 2492	2080	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	31
PID 2840 set thread context of 2744	2840	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.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_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2492	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe
2492	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe
2744	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe
2744	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2492	2080	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	31
PID 2080 wrote to memory of 2492	2080	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	31
PID 2080 wrote to memory of 2492	2080	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	31
PID 2080 wrote to memory of 2492	2080	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	31
PID 2080 wrote to memory of 2492	2080	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	31
PID 2080 wrote to memory of 2492	2080	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	31
PID 2080 wrote to memory of 2492	2080	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	31
PID 2080 wrote to memory of 2492	2080	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	31
PID 2080 wrote to memory of 2492	2080	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	31
PID 2080 wrote to memory of 2492	2080	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	31
PID 2080 wrote to memory of 2492	2080	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	31
PID 2492 wrote to memory of 2288	2492	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	33
PID 2492 wrote to memory of 2288	2492	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	33
PID 2492 wrote to memory of 2288	2492	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	33
PID 2492 wrote to memory of 2288	2492	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	33
PID 2492 wrote to memory of 2840	2492	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	34
PID 2492 wrote to memory of 2840	2492	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	34
PID 2492 wrote to memory of 2840	2492	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	34
PID 2492 wrote to memory of 2840	2492	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	34
PID 2840 wrote to memory of 2744	2840	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	35
PID 2840 wrote to memory of 2744	2840	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	35
PID 2840 wrote to memory of 2744	2840	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	35
PID 2840 wrote to memory of 2744	2840	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	35
PID 2840 wrote to memory of 2744	2840	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	35
PID 2840 wrote to memory of 2744	2840	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	35
PID 2840 wrote to memory of 2744	2840	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	35
PID 2840 wrote to memory of 2744	2840	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	35
PID 2840 wrote to memory of 2744	2840	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	35
PID 2840 wrote to memory of 2744	2840	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	35
PID 2840 wrote to memory of 2744	2840	JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe	35

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2492
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\5733fc0a-6847-4753-884a-0a752b2d2137" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2288
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2840
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2744

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
76faa0a241e914f7977872ef060ee1a3

SHA1
f057dcd9ccf2403d6bd94bab9a7f8a6a6cfd3aef

SHA256
47d63fa3b61dad8898886df98509c892316996a17025fe5bf4cbd715ee9bfea9

SHA512
67b9f62748d14df53c24ada189a1f31e6831f024f848b9e28e91ef8d265356aa7e205450c18dddd7f6be3a41351aae5bdb048bf58fcf8ff37c3c5a5adb028b48

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

Filesize
170B

MD5
332393a987e5d6016fd54befbd1d1f2b

SHA1
1f27015e7ec0d99012818af3b37ab8614ba56b47

SHA256
253160e8f4abb84fa4d5930585249e45de5dcb3391790c0e084f9eb3355c94cf

SHA512
85adbc3c7ff273c204ddc3d38442efe8e1d1c0f568d6c07ea892d7b5a04e82be85278e19f3f067449b76faa2676ffd25799424d728fecec709a8f61efc92444d

Download Submit
C:\Users\Admin\AppData\Local\5733fc0a-6847-4753-884a-0a752b2d2137\JaffaCakes118_13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192.exe

Filesize
761KB

MD5
ce757c1a99b7f11b86afd2eec2495629

SHA1
09cc7b1975e40f2201fdad2b63e84662f8d7ee67

SHA256
13d3e3eb844a3ede798768cdfef32cb2ad3b9a850cf1b7c431c260fe44bea192

SHA512
abf4e9a6ac1ca6b44e0b0112cf11c41a95025c0d8202f5939a2137c52d73c37c2dc40d877d5274d7ae154dc3dbf99497401a16fb605d9ec67a853fd319a63079

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabF4F9.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2080-1-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/2080-2-0x00000000004F0000-0x000000000060B000-memory.dmp

Filesize
1.1MB

Download
memory/2080-0-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/2080-7-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/2492-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2492-25-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2492-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2492-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2492-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2744-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2744-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2744-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2744-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2744-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2744-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2744-62-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2744-64-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2744-65-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2744-66-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2840-33-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2840-28-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2840-27-0x0000000000360000-0x00000000003F1000-memory.dmp

Filesize
580KB

Download