djvu | 06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73

Analysis

max time kernel
144s
max time network
137s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 04:28

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General

Target

JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe
Size

761KB
MD5

8dee7186494193216fc9e6e69db7fa5b
SHA1

d520cd4f42f5596d92d7dfbd0cf99659550c89a4
SHA256

06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73
SHA512

a96d93bb70261fb969cedf460066e619c01aca3c6cadc518e826d47c42e23d2283fda038ad7e6f9452b6408c59149528a78cb929b2a643353fe360d9562f97b4
SSDEEP

12288:ihYXCfh2ccLo9E7HrFqqsGNwh67WICfgbmgxMaLWQ/VSN422K0KnK:FXCCLrUINwg7WICgbmU9NSNRJK

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.dmay
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: 0458JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/2224-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2716-5-0x0000000001E00000-0x0000000001F1B000-memory.dmp	family_djvu
behavioral1/memory/2224-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2224-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2224-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-57-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-68-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-69-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-66-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2608-70-0x0000000000400000-0x0000000000537000-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
2192	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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\2009df74-b7fd-4fc8-bdf8-8062c733d5e5\\JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe\" --AutoStart"	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.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 2716 set thread context of 2224	2716	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	31
PID 2784 set thread context of 2608	2784	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	34

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_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2224	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe
2224	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe
2608	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe
2608	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2224	2716	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	31
PID 2716 wrote to memory of 2224	2716	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	31
PID 2716 wrote to memory of 2224	2716	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	31
PID 2716 wrote to memory of 2224	2716	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	31
PID 2716 wrote to memory of 2224	2716	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	31
PID 2716 wrote to memory of 2224	2716	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	31
PID 2716 wrote to memory of 2224	2716	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	31
PID 2716 wrote to memory of 2224	2716	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	31
PID 2716 wrote to memory of 2224	2716	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	31
PID 2716 wrote to memory of 2224	2716	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	31
PID 2716 wrote to memory of 2224	2716	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	31
PID 2224 wrote to memory of 2192	2224	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	32
PID 2224 wrote to memory of 2192	2224	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	32
PID 2224 wrote to memory of 2192	2224	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	32
PID 2224 wrote to memory of 2192	2224	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	32
PID 2224 wrote to memory of 2784	2224	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	33
PID 2224 wrote to memory of 2784	2224	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	33
PID 2224 wrote to memory of 2784	2224	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	33
PID 2224 wrote to memory of 2784	2224	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	33
PID 2784 wrote to memory of 2608	2784	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	34
PID 2784 wrote to memory of 2608	2784	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	34
PID 2784 wrote to memory of 2608	2784	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	34
PID 2784 wrote to memory of 2608	2784	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	34
PID 2784 wrote to memory of 2608	2784	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	34
PID 2784 wrote to memory of 2608	2784	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	34
PID 2784 wrote to memory of 2608	2784	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	34
PID 2784 wrote to memory of 2608	2784	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	34
PID 2784 wrote to memory of 2608	2784	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	34
PID 2784 wrote to memory of 2608	2784	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	34
PID 2784 wrote to memory of 2608	2784	JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2224
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\2009df74-b7fd-4fc8-bdf8-8062c733d5e5" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2192
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2784
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.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

Loading Replay Monitor...

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
0fc77aed1650817f5fca150b93ba5b21

SHA1
3d9873acb3340793ed59f28b87f8bc320e72cf96

SHA256
a3c04675eefe2c90132c94ef51f2004a99233dd2523dcf9a0eaf20343aca1ced

SHA512
de5c07c51f282162df8dbdf8a9d9379e1bf6a6cd87e39db5d02ebc222c501bb1e5388c9f1a2bb455a917ccfc90e321841e924573a860a7dedb47a43ccaec2965

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

Filesize
342B

MD5
b3f7ebe8be0f129fa8d97521067c9106

SHA1
aa0bf16468249f755af182e9e9fc6f473d74890c

SHA256
12b5e13950bb038c08d9d06535a625de46d62b416b7fa16c9de70a962ef009de

SHA512
4d008625c619548c7e7e12454305c6a14db283b2c85caa1844eeb53d8c327e1a0d3533a65b834e8c69fd957396cc13a206155e040088cb5412900b30bbbd6d54

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

Filesize
170B

MD5
93560c18b61bafe034381222f5399c92

SHA1
41285d96c26125e4f8a64332007fa20fed882f42

SHA256
c7557fe3d5c14792c49510339ad6fb2607f89a2159d1664ad99e37304da4c60e

SHA512
627f32781b912d5363edd38423cdc7bcd7ebfc4460a8837591e2764b4d32ca1096ba15d977965a8ef3e9df2440df573a859cbae6ef3965bde48adb3d94b55e99

Download Submit
C:\Users\Admin\AppData\Local\2009df74-b7fd-4fc8-bdf8-8062c733d5e5\JaffaCakes118_06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73.exe

Filesize
761KB

MD5
8dee7186494193216fc9e6e69db7fa5b

SHA1
d520cd4f42f5596d92d7dfbd0cf99659550c89a4

SHA256
06ee0350847c8e7d7c5006aa267b6047bc824a8d758a167a08f63e58c92d8d73

SHA512
a96d93bb70261fb969cedf460066e619c01aca3c6cadc518e826d47c42e23d2283fda038ad7e6f9452b6408c59149528a78cb929b2a643353fe360d9562f97b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabFF74.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2224-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2224-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2224-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2224-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2224-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-68-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-70-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-66-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-69-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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

Filesize
1.2MB

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

Filesize
1.2MB

Download
memory/2608-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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

Filesize
1.2MB

Download
memory/2716-1-0x00000000002A0000-0x0000000000332000-memory.dmp

Filesize
584KB

Download
memory/2716-6-0x00000000002A0000-0x0000000000332000-memory.dmp

Filesize
584KB

Download
memory/2716-5-0x0000000001E00000-0x0000000001F1B000-memory.dmp

Filesize
1.1MB

Download
memory/2716-0-0x00000000002A0000-0x0000000000332000-memory.dmp

Filesize
584KB

Download
memory/2784-30-0x0000000001CF0000-0x0000000001D82000-memory.dmp

Filesize
584KB

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memory/2784-31-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

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memory/2784-37-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

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