djvu | 500ccbcd1562c90f659b25d9998198fa89026e352ff0ceed736742ae3d36cede

Analysis

max time kernel
141s
max time network
55s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 04:01

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General

Target

sab666.exe
Size

725KB
MD5

049819fc619411de8764e0356c68c8b1
SHA1

8f774101357930a99e4e7edb40724d338e23842b
SHA256

500ccbcd1562c90f659b25d9998198fa89026e352ff0ceed736742ae3d36cede
SHA512

0d97fa952e6d7efe474010e69fd0db93c200b434092ecba30c2b1b169e24d00613f825ebc21717c38dd713a352fdd3a32e485cea59c48892e7ccfd28790c5feb
SSDEEP

12288:8vBvH0CP2jc1i+OxmvqDLHODkGRNxS0wFhqUVcG5NAzRdtXUA1u:8vBv0W+cQ+OxiMCDkQNs096cGfmR8

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

http://spaceris.com/test1/get.php

Attributes

extension
.poqw
offline_id
ZMk7348t4yGVy3t2uxofhOwYXOGjluI9PiRO8dt1
payload_url
http://uaery.top/dl/build2.exe

http://spaceris.com/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-GTrvfBi8hs 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: 0632JOsie

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 17 IoCs

resource	yara_rule
behavioral1/memory/2260-2-0x00000000046A0000-0x00000000047BB000-memory.dmp	family_djvu
behavioral1/memory/2096-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2096-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2096-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2096-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2796-33-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2796-46-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2796-47-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2796-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2796-56-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2796-58-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2796-62-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2796-67-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2796-69-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2796-70-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2796-71-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2796-72-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2816	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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\b0157947-9000-43e6-8cf2-9336e68e7dbc\\sab666.exe\" --AutoStart"	sab666.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 2260 set thread context of 2096	2260	sab666.exe	29
PID 2972 set thread context of 2796	2972	sab666.exe	32

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	sab666.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sab666.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sab666.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sab666.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2096	sab666.exe
2096	sab666.exe
2796	sab666.exe
2796	sab666.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2096	2260	sab666.exe	29
PID 2260 wrote to memory of 2096	2260	sab666.exe	29
PID 2260 wrote to memory of 2096	2260	sab666.exe	29
PID 2260 wrote to memory of 2096	2260	sab666.exe	29
PID 2260 wrote to memory of 2096	2260	sab666.exe	29
PID 2260 wrote to memory of 2096	2260	sab666.exe	29
PID 2260 wrote to memory of 2096	2260	sab666.exe	29
PID 2260 wrote to memory of 2096	2260	sab666.exe	29
PID 2260 wrote to memory of 2096	2260	sab666.exe	29
PID 2260 wrote to memory of 2096	2260	sab666.exe	29
PID 2260 wrote to memory of 2096	2260	sab666.exe	29
PID 2096 wrote to memory of 2816	2096	sab666.exe	30
PID 2096 wrote to memory of 2816	2096	sab666.exe	30
PID 2096 wrote to memory of 2816	2096	sab666.exe	30
PID 2096 wrote to memory of 2816	2096	sab666.exe	30
PID 2096 wrote to memory of 2972	2096	sab666.exe	31
PID 2096 wrote to memory of 2972	2096	sab666.exe	31
PID 2096 wrote to memory of 2972	2096	sab666.exe	31
PID 2096 wrote to memory of 2972	2096	sab666.exe	31
PID 2972 wrote to memory of 2796	2972	sab666.exe	32
PID 2972 wrote to memory of 2796	2972	sab666.exe	32
PID 2972 wrote to memory of 2796	2972	sab666.exe	32
PID 2972 wrote to memory of 2796	2972	sab666.exe	32
PID 2972 wrote to memory of 2796	2972	sab666.exe	32
PID 2972 wrote to memory of 2796	2972	sab666.exe	32
PID 2972 wrote to memory of 2796	2972	sab666.exe	32
PID 2972 wrote to memory of 2796	2972	sab666.exe	32
PID 2972 wrote to memory of 2796	2972	sab666.exe	32
PID 2972 wrote to memory of 2796	2972	sab666.exe	32
PID 2972 wrote to memory of 2796	2972	sab666.exe	32

C:\Users\Admin\AppData\Local\Temp\sab666.exe
"C:\Users\Admin\AppData\Local\Temp\sab666.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Users\Admin\AppData\Local\Temp\sab666.exe
  "C:\Users\Admin\AppData\Local\Temp\sab666.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2096
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\b0157947-9000-43e6-8cf2-9336e68e7dbc" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2816
- - C:\Users\Admin\AppData\Local\Temp\sab666.exe
    "C:\Users\Admin\AppData\Local\Temp\sab666.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2972
  - - C:\Users\Admin\AppData\Local\Temp\sab666.exe
      "C:\Users\Admin\AppData\Local\Temp\sab666.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2796

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
7fb5fa1534dcf77f2125b2403b30a0ee

SHA1
365d96812a69ac0a4611ea4b70a3f306576cc3ea

SHA256
33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

SHA512
a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

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
f716ae29ff18abd779c76bba0849196c

SHA1
4cf03ba90145e08f1261462500d5f572fcb51b93

SHA256
8cb81f8565287552f5718eae6cbf96ef70f461a6b4e35a2395472752fce558ed

SHA512
f91485da6e6bfd9d6fbaf59e0f340b4a98b9bd20c8cf623c468b390534707df22784683a3df876e9a09a0a53bf19e5605fb132de54a31c24d61b4bef8e72a22c

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

Filesize
342B

MD5
bdb85c42d32d5806936ecaa236362106

SHA1
72c55ab210fa1ed769e056c2cc3e903547ac5eab

SHA256
5b008f23a464b87e6dd0ab9946f38a1afd45b3a25a0e520a199ed9b833cd4690

SHA512
827257b135f762a425217e29d6de3ebf94d0a4c80fa84beaf8b021351c02c72520b8ad897ebe9d79b18f1fda24c0c0569bacc684d8b4c7bb4a51d30a9f0720fd

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

Filesize
170B

MD5
c528ba46ed97e49d40a883620b55a61a

SHA1
30cb702ccd07e1042a8f1eea0aa72acd2eab45a6

SHA256
ddd4ee3f3d5b4a9a6971f958eb6ee7af01d5e9849fce9cf1764c0d58d97a7dcc

SHA512
7a273324a52626d1771b2283fc35c0808da6e40fe16ddc1e74b5cd13841355a6ca79f49ad35403ae6094cd5db8119dfd570df377782694799005ffce9ed53c0b

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabB8B5.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\b0157947-9000-43e6-8cf2-9336e68e7dbc\sab666.exe

Filesize
725KB

MD5
049819fc619411de8764e0356c68c8b1

SHA1
8f774101357930a99e4e7edb40724d338e23842b

SHA256
500ccbcd1562c90f659b25d9998198fa89026e352ff0ceed736742ae3d36cede

SHA512
0d97fa952e6d7efe474010e69fd0db93c200b434092ecba30c2b1b169e24d00613f825ebc21717c38dd713a352fdd3a32e485cea59c48892e7ccfd28790c5feb

Download Submit
memory/2096-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2096-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2096-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2096-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2096-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2260-2-0x00000000046A0000-0x00000000047BB000-memory.dmp

Filesize
1.1MB

Download
memory/2260-0-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2260-1-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2260-7-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2796-46-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2796-33-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2796-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2796-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2796-56-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2796-58-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2796-62-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2796-67-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2796-69-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2796-70-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2796-71-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2796-72-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2972-30-0x0000000002E90000-0x0000000002F22000-memory.dmp

Filesize
584KB

Download