djvu | d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa

Analysis

max time kernel
150s
max time network
134s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 00:03

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General

Target

JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe
Size

848KB
MD5

931857f2588da95145a1404f31bf9946
SHA1

d262b8111925462be908ea4aebd4661ef5a56eca
SHA256

d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa
SHA512

6a4cb041a07b09bfc26f6d2f61de397b82371f04c9dc484016b13c87bd6862f295a91590199afca58fe189de33bdf62455bcee822bba484df12c1acc6c0adba0
SSDEEP

12288:AmchAQX72VKQWA5sQA9diCjIpB5TzGnykILWzyDkfH3+Wit+A/4eoethiIfGb5tG:n4X72rWAyhdl4baRfJe+YKawqw

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.gtys
offline_id
qwVQoIsE2xLety0oNWloOilSDuIBXJGK86LM3ot1
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-fnn5kv33Vv 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: 0439JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/2128-2-0x0000000001D60000-0x0000000001E7B000-memory.dmp	family_djvu
behavioral1/memory/2940-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2940-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2940-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2940-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-40-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-55-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-56-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-58-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-66-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-69-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-72-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-71-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-73-0x0000000000400000-0x0000000000537000-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
2136	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\\b7d17f6e-74e1-49cd-8947-a612a6580358\\JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe\" --AutoStart"	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.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
9	api.2ip.ua
3	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2128 set thread context of 2940	2128	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	30
PID 2752 set thread context of 2668	2752	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.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_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2940	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe
2940	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe
2668	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe
2668	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2940	2128	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	30
PID 2128 wrote to memory of 2940	2128	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	30
PID 2128 wrote to memory of 2940	2128	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	30
PID 2128 wrote to memory of 2940	2128	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	30
PID 2128 wrote to memory of 2940	2128	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	30
PID 2128 wrote to memory of 2940	2128	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	30
PID 2128 wrote to memory of 2940	2128	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	30
PID 2128 wrote to memory of 2940	2128	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	30
PID 2128 wrote to memory of 2940	2128	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	30
PID 2128 wrote to memory of 2940	2128	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	30
PID 2128 wrote to memory of 2940	2128	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	30
PID 2940 wrote to memory of 2136	2940	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	31
PID 2940 wrote to memory of 2136	2940	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	31
PID 2940 wrote to memory of 2136	2940	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	31
PID 2940 wrote to memory of 2136	2940	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	31
PID 2940 wrote to memory of 2752	2940	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	32
PID 2940 wrote to memory of 2752	2940	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	32
PID 2940 wrote to memory of 2752	2940	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	32
PID 2940 wrote to memory of 2752	2940	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	32
PID 2752 wrote to memory of 2668	2752	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	33
PID 2752 wrote to memory of 2668	2752	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	33
PID 2752 wrote to memory of 2668	2752	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	33
PID 2752 wrote to memory of 2668	2752	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	33
PID 2752 wrote to memory of 2668	2752	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	33
PID 2752 wrote to memory of 2668	2752	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	33
PID 2752 wrote to memory of 2668	2752	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	33
PID 2752 wrote to memory of 2668	2752	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	33
PID 2752 wrote to memory of 2668	2752	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	33
PID 2752 wrote to memory of 2668	2752	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	33
PID 2752 wrote to memory of 2668	2752	JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2940
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\b7d17f6e-74e1-49cd-8947-a612a6580358" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2136
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2752
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2668

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
7da25600f3251b715fe2fa7f2fcebca1

SHA1
cd79d175fb91ba8a266e490f0ec84ab24fcb0080

SHA256
82d537786dd005509fc1c22ec357b976622787126fa20218cda5afeaceedd87c

SHA512
c9cd40af7ad11c67a81a94d2123b22d373a3f950e72111442a68ba66891ca3d09e0f451b6905326857429f27f3cd93ad0a648413506c8898adc686fd70ade353

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

Filesize
342B

MD5
11d7ce5067707a6ccf0d04167409549e

SHA1
1e7986349a660362b94de5d37d7aba3aff18f271

SHA256
7966e5ba0641ab30935e2756a81cf235ac7c298a45f6975b36b82c61067d48ec

SHA512
5fee12e7533dcfb3a8c44039b8de1f9bc52155491a37142da24679227af306ae312aa3b355fe6141ed07c5f0030633501f9401f1121acc1731209947932dae42

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

Filesize
170B

MD5
854cd4a095ea5d4ff6893a90c23cdff1

SHA1
89323fb0780ccc20e5e3b0e41e9db130688fa664

SHA256
e81cadfb737e2cc32972a5739202106a825d3a4c856162084888e78795c1def8

SHA512
e7305e6ae2f77283a2eb108665a588771c8cfedb71f1ab3d6d3527722f58809a209af17af4ee4fbe98fd6c9c97cd14dd420ee0dc510b0180e3500760a1bd4069

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabA1FA.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\b7d17f6e-74e1-49cd-8947-a612a6580358\JaffaCakes118_d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa.exe

Filesize
848KB

MD5
931857f2588da95145a1404f31bf9946

SHA1
d262b8111925462be908ea4aebd4661ef5a56eca

SHA256
d84fdf54308fe4aed52324d63d39df841d737c69f361c1afbb2aa8017618e0aa

SHA512
6a4cb041a07b09bfc26f6d2f61de397b82371f04c9dc484016b13c87bd6862f295a91590199afca58fe189de33bdf62455bcee822bba484df12c1acc6c0adba0

Download Submit
memory/2128-1-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2128-2-0x0000000001D60000-0x0000000001E7B000-memory.dmp

Filesize
1.1MB

Download
memory/2128-7-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2128-0-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2668-55-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-56-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-73-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-71-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-40-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-72-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-69-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-66-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-58-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2752-32-0x0000000000270000-0x0000000000302000-memory.dmp

Filesize
584KB

Download
memory/2752-33-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/2752-39-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/2940-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2940-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2940-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2940-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2940-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download