djvu | 3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b

Analysis

max time kernel
141s
max time network
134s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:43

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General

Target

JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe
Size

725KB
MD5

1e7a62de18e36209e055edb94e41876c
SHA1

c749d197e238fa0b95084a2a63f3b5a2995c610e
SHA256

3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b
SHA512

f200602242a1e242b408fd31ee044c6277405d2812ef2caf0bdf848983fad8cd115ffd180bead2eff76eae4ad2f7e9d851f1abc48d4462130e44d073010c6634
SSDEEP

12288:OorN9++HKupf+XovQkyKHketoU1FG1koRPPhTNR7cgZDK9n6lK2qyOFqW12J2LNk:Oobcup2XsQkyKNDG1lNbAznMK2xgqW1w

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.msjd
offline_id
Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1
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-FT7BNVbXC9 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: 0455JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/2860-5-0x00000000004C0000-0x00000000005DB000-memory.dmp	family_djvu
behavioral1/memory/3032-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3032-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3032-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3032-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2012-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2012-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2012-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2012-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2012-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2012-61-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2012-64-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2012-66-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2012-67-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2012-68-0x0000000000400000-0x0000000000537000-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
2640	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\\61445a02-8242-49eb-b49d-c0bb92736f7e\\JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe\" --AutoStart"	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.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 2860 set thread context of 3032	2860	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	30
PID 2340 set thread context of 2012	2340	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	33

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_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3032	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe
3032	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe
2012	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe
2012	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 3032	2860	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	30
PID 2860 wrote to memory of 3032	2860	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	30
PID 2860 wrote to memory of 3032	2860	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	30
PID 2860 wrote to memory of 3032	2860	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	30
PID 2860 wrote to memory of 3032	2860	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	30
PID 2860 wrote to memory of 3032	2860	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	30
PID 2860 wrote to memory of 3032	2860	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	30
PID 2860 wrote to memory of 3032	2860	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	30
PID 2860 wrote to memory of 3032	2860	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	30
PID 2860 wrote to memory of 3032	2860	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	30
PID 2860 wrote to memory of 3032	2860	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	30
PID 3032 wrote to memory of 2640	3032	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	31
PID 3032 wrote to memory of 2640	3032	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	31
PID 3032 wrote to memory of 2640	3032	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	31
PID 3032 wrote to memory of 2640	3032	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	31
PID 3032 wrote to memory of 2340	3032	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	32
PID 3032 wrote to memory of 2340	3032	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	32
PID 3032 wrote to memory of 2340	3032	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	32
PID 3032 wrote to memory of 2340	3032	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	32
PID 2340 wrote to memory of 2012	2340	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	33
PID 2340 wrote to memory of 2012	2340	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	33
PID 2340 wrote to memory of 2012	2340	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	33
PID 2340 wrote to memory of 2012	2340	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	33
PID 2340 wrote to memory of 2012	2340	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	33
PID 2340 wrote to memory of 2012	2340	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	33
PID 2340 wrote to memory of 2012	2340	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	33
PID 2340 wrote to memory of 2012	2340	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	33
PID 2340 wrote to memory of 2012	2340	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	33
PID 2340 wrote to memory of 2012	2340	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	33
PID 2340 wrote to memory of 2012	2340	JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3032
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\61445a02-8242-49eb-b49d-c0bb92736f7e" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2640
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2340
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2012

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
b81cff43f0ed30a9ae8742749c004679

SHA1
dcde726b63a5108a82e7e515f68a2e2bfa178b14

SHA256
7d587f0ee7d31756d05f9ab2bedf05c1c6c3afd3579649b45e6e7a56c2d531d5

SHA512
f27fafc9c0d1d455cb2fff33546301c4df2629a510e3fa6d726c434028bb8303e4350d9a901f833b3258fdff021e19bfe59a955fd856e921c99eca738c60bb35

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

Filesize
342B

MD5
01c51b7a898f6ff197d94f4fee59d527

SHA1
536460fd91dd1814e7e83c3b34af572e780e9b04

SHA256
f072da57101bd0afe8317e1117ec63ddc08697cf9d8bae74c8079b650677f420

SHA512
1f04ecb80406fdbe04fb90199297ed964a95557d9588783a5d6eea3fbd7bee9e3f58a510f996a9f669a86e045788ce4ccaef795eb0918ae972fe46a9112b1915

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

Filesize
170B

MD5
486f04b12f1e7e253d60ba560cd68e86

SHA1
3893ad9aae1b3bc8e8d6dfe2ba7b70a886521f21

SHA256
f5085d42cc1f1635eec6c743c8786bb6a63f13c61cbc3f6b10c22c00c14ef1a4

SHA512
8a58e3747defedbada772e1650b7fcc211606bd403d9965f594f31388f4d9f1602a2f560368f6046c7eb40ee28c1063fab8d3f237a9b7055bd640d0502369050

Download Submit
C:\Users\Admin\AppData\Local\61445a02-8242-49eb-b49d-c0bb92736f7e\JaffaCakes118_3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b.exe

Filesize
725KB

MD5
1e7a62de18e36209e055edb94e41876c

SHA1
c749d197e238fa0b95084a2a63f3b5a2995c610e

SHA256
3eb8195cf102a896825166c43243f0dea98a8e4e1ab7e57eec412b7bb7f63d0b

SHA512
f200602242a1e242b408fd31ee044c6277405d2812ef2caf0bdf848983fad8cd115ffd180bead2eff76eae4ad2f7e9d851f1abc48d4462130e44d073010c6634

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab5B79.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2012-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2012-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2012-68-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2012-67-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2012-66-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2012-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2012-64-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2012-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2012-61-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2012-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2340-36-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/2340-31-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/2340-30-0x0000000000330000-0x00000000003C2000-memory.dmp

Filesize
584KB

Download
memory/2860-6-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2860-5-0x00000000004C0000-0x00000000005DB000-memory.dmp

Filesize
1.1MB

Download
memory/2860-1-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2860-0-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/3032-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3032-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3032-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/3032-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/3032-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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