djvu | 3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4

Analysis

max time kernel
143s
max time network
135s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 03:21

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General

Target

JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
Size

799KB
MD5

54f29d2eae55171f2825afcd52d668cb
SHA1

72af362b1bb2dcdfa29aac1b1dc08e817fc04053
SHA256

3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4
SHA512

4a42b4963c287fb1cdf0cb268dff45cbf1a3f1c65f979ef0375719fab1bc0faccf35290a0ec5a56b038eff547c4ba72873acb5f8c3872dc793f0aa2f9086631c
SSDEEP

12288:gQh6PkdeNtuBUZbo1s2Eeom0DU6oDqSehEQQcg547Bl/SIWHkDuL4:HGMeNtuBgbomxmqcmy5FIGkDuL

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.nuhb
offline_id
PfLhykvDxmCghCq8peuxBtQ3c0QBuANi8WUkuet1
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-c565B1ILoZ 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: 0453Jbdio

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/2060-2-0x0000000001E40000-0x0000000001F5B000-memory.dmp	family_djvu
behavioral1/memory/2384-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2384-7-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2384-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2384-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3036-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3036-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3036-49-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3036-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3036-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3036-58-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3036-63-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3036-64-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3036-61-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3036-65-0x0000000000400000-0x0000000000537000-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
3068	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\\c03d3bba-8ea0-4c01-905c-c2cd77059fec\\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe\" --AutoStart"	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.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
5	api.2ip.ua
9	api.2ip.ua
4	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2060 set thread context of 2384	2060	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	30
PID 2788 set thread context of 3036	2788	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.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_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2384	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
2384	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
3036	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
3036	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2384	2060	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	30
PID 2060 wrote to memory of 2384	2060	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	30
PID 2060 wrote to memory of 2384	2060	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	30
PID 2060 wrote to memory of 2384	2060	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	30
PID 2060 wrote to memory of 2384	2060	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	30
PID 2060 wrote to memory of 2384	2060	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	30
PID 2060 wrote to memory of 2384	2060	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	30
PID 2060 wrote to memory of 2384	2060	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	30
PID 2060 wrote to memory of 2384	2060	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	30
PID 2060 wrote to memory of 2384	2060	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	30
PID 2060 wrote to memory of 2384	2060	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	30
PID 2384 wrote to memory of 3068	2384	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	33
PID 2384 wrote to memory of 3068	2384	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	33
PID 2384 wrote to memory of 3068	2384	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	33
PID 2384 wrote to memory of 3068	2384	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	33
PID 2384 wrote to memory of 2788	2384	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	34
PID 2384 wrote to memory of 2788	2384	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	34
PID 2384 wrote to memory of 2788	2384	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	34
PID 2384 wrote to memory of 2788	2384	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	34
PID 2788 wrote to memory of 3036	2788	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	35
PID 2788 wrote to memory of 3036	2788	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	35
PID 2788 wrote to memory of 3036	2788	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	35
PID 2788 wrote to memory of 3036	2788	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	35
PID 2788 wrote to memory of 3036	2788	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	35
PID 2788 wrote to memory of 3036	2788	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	35
PID 2788 wrote to memory of 3036	2788	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	35
PID 2788 wrote to memory of 3036	2788	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	35
PID 2788 wrote to memory of 3036	2788	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	35
PID 2788 wrote to memory of 3036	2788	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	35
PID 2788 wrote to memory of 3036	2788	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	35

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\c03d3bba-8ea0-4c01-905c-c2cd77059fec" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:3068
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2788
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:3036

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
12aedb15b25750d3c705ef76917a18ef

SHA1
bc42d3af38bf10a47283f94ab3fb4d8166637f43

SHA256
54abcad927dc0437a13c9b4332a0232cef2066634a0460fe4b80aa96c44f6934

SHA512
13f6e2780497b1a363b52fc51540040f1bc32d596c776c329ee33d4a630005bb17f9e2283abeadd37a6bdc5bd0505c01231f0265992261418c54777cf0fc5fa7

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

Filesize
170B

MD5
3ea7189f7d45e7805c99c704c402e6ca

SHA1
60f9a58765edf8e0f4f89df49caec78fe2730dcb

SHA256
f571372690dd9322339e642c9311534f0005836d4015cfe57c08764c787d3edb

SHA512
e0b304685bf796eb8cf18d6203fb79c2804b8ec9f8e32424d4c707b72cc15301e5eff265ee51722dc272675a2616e626143822f08c998050e5f7929a0e386b6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab177.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\c03d3bba-8ea0-4c01-905c-c2cd77059fec\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe

Filesize
799KB

MD5
54f29d2eae55171f2825afcd52d668cb

SHA1
72af362b1bb2dcdfa29aac1b1dc08e817fc04053

SHA256
3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4

SHA512
4a42b4963c287fb1cdf0cb268dff45cbf1a3f1c65f979ef0375719fab1bc0faccf35290a0ec5a56b038eff547c4ba72873acb5f8c3872dc793f0aa2f9086631c

Download Submit
memory/2060-1-0x0000000000230000-0x00000000002C1000-memory.dmp

Filesize
580KB

Download
memory/2060-2-0x0000000001E40000-0x0000000001F5B000-memory.dmp

Filesize
1.1MB

Download
memory/2060-0-0x0000000000230000-0x00000000002C1000-memory.dmp

Filesize
580KB

Download
memory/2060-8-0x0000000000230000-0x00000000002C1000-memory.dmp

Filesize
580KB

Download
memory/2384-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2384-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2384-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2384-7-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2384-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2788-33-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download
memory/2788-29-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download
memory/2788-28-0x0000000000350000-0x00000000003E1000-memory.dmp

Filesize
580KB

Download
memory/3036-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3036-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3036-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3036-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3036-50-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3036-58-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3036-63-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3036-64-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3036-61-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3036-65-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download