djvu | 22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499

Analysis

max time kernel
142s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 19:56

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General

Target

JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
Size

783KB
MD5

28d0c545643e56f3b3ba219e8f1e1785
SHA1

5496960579a5289fff5aec228a3d1a641395e74e
SHA256

22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499
SHA512

37e62162e1e79edaa677c43f8ad124049a646b1b048dcf9fcaf54ccb69f24372a7619be27746d33170dcf73a27247664d0e5f493b9584bbfd49a79818693c41d
SSDEEP

24576:MN23s8q6VJcTE1GbspcmEtVlg/iikq5/:Q6VuEqKcFtVmu2/

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/2436-2-0x0000000001D40000-0x0000000001E5B000-memory.dmp	family_djvu
behavioral1/memory/2080-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2080-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2080-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2080-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2640-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2640-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2640-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2640-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2640-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2640-61-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2640-64-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2640-66-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2640-67-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2640-68-0x0000000000400000-0x0000000000537000-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
2088	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\\30149e5f-b023-42f7-8766-1d2d093812bf\\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe\" --AutoStart"	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.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 2436 set thread context of 2080	2436	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	30
PID 2756 set thread context of 2640	2756	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.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_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2080	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
2080	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
2640	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
2640	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2080	2436	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	30
PID 2436 wrote to memory of 2080	2436	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	30
PID 2436 wrote to memory of 2080	2436	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	30
PID 2436 wrote to memory of 2080	2436	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	30
PID 2436 wrote to memory of 2080	2436	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	30
PID 2436 wrote to memory of 2080	2436	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	30
PID 2436 wrote to memory of 2080	2436	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	30
PID 2436 wrote to memory of 2080	2436	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	30
PID 2436 wrote to memory of 2080	2436	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	30
PID 2436 wrote to memory of 2080	2436	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	30
PID 2436 wrote to memory of 2080	2436	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	30
PID 2080 wrote to memory of 2088	2080	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	31
PID 2080 wrote to memory of 2088	2080	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	31
PID 2080 wrote to memory of 2088	2080	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	31
PID 2080 wrote to memory of 2088	2080	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	31
PID 2080 wrote to memory of 2756	2080	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	32
PID 2080 wrote to memory of 2756	2080	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	32
PID 2080 wrote to memory of 2756	2080	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	32
PID 2080 wrote to memory of 2756	2080	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	32
PID 2756 wrote to memory of 2640	2756	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	33
PID 2756 wrote to memory of 2640	2756	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	33
PID 2756 wrote to memory of 2640	2756	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	33
PID 2756 wrote to memory of 2640	2756	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	33
PID 2756 wrote to memory of 2640	2756	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	33
PID 2756 wrote to memory of 2640	2756	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	33
PID 2756 wrote to memory of 2640	2756	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	33
PID 2756 wrote to memory of 2640	2756	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	33
PID 2756 wrote to memory of 2640	2756	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	33
PID 2756 wrote to memory of 2640	2756	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	33
PID 2756 wrote to memory of 2640	2756	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2080
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\30149e5f-b023-42f7-8766-1d2d093812bf" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2088
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2756
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2640

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
bccd6f75442237f2dedabc22ee1bcc7c

SHA1
cc5161614277cb8b3af6a9d2f2f95b3b197d3e03

SHA256
85f235217596a8cdd19192f0ad38f8ac6c56ee0b3aeb72010ef1795808bac6ad

SHA512
08747eac508b2ac4f7a860836299330f9bd4dbc2fa45877b01eb27dffdfaf89d9a7ad2063b7e4b7a638a2c61d4c866e7f6381c0d9ef7444b855e44ef7e6cff2d

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

Filesize
342B

MD5
6ec6b0cc42f9aada7d5300ab3ca6fa48

SHA1
1e8052d7af4ec4cef63d16a85db837a969b6406c

SHA256
17bdbdb104581b7aec37cbb1da37d2c315bcc7d66dc69e401a558b266dcfde67

SHA512
a10e7b4ac34cba22270df09b03f92afd8fc6df0c79477a113e5865dfe7d65aba24a6679a5e5da896b648c32db4d2611759640ff4e74725427b1c861f8e7691de

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

Filesize
170B

MD5
55c4c5cabed80e0f036493762782d4ed

SHA1
28b94b07bbc1eae9b89710689cddd2100e1c8c47

SHA256
71c14f092661fbc73ff21d3f6d6f75dd22f82061d98f2385114ea4c4603a18df

SHA512
d4c726c336fc686ba02058162bd6f90e6d5792e50e9a29fc67151fe82ec92c146f5af698c1743b475113d9593855fc34d8e585b9cdb64e0b95cec20864ec62c4

Download Submit
C:\Users\Admin\AppData\Local\30149e5f-b023-42f7-8766-1d2d093812bf\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe

Filesize
783KB

MD5
28d0c545643e56f3b3ba219e8f1e1785

SHA1
5496960579a5289fff5aec228a3d1a641395e74e

SHA256
22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499

SHA512
37e62162e1e79edaa677c43f8ad124049a646b1b048dcf9fcaf54ccb69f24372a7619be27746d33170dcf73a27247664d0e5f493b9584bbfd49a79818693c41d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab47AA.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2080-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2080-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2080-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2080-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2080-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2436-7-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/2436-2-0x0000000001D40000-0x0000000001E5B000-memory.dmp

Filesize
1.1MB

Download
memory/2436-0-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/2436-1-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/2640-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2640-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2640-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2640-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2640-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2640-61-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2640-64-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2640-66-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2640-67-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2640-68-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2756-35-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/2756-31-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

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memory/2756-30-0x00000000002C0000-0x0000000000351000-memory.dmp

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580KB

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