djvu | 110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf

Analysis

max time kernel
147s
max time network
133s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 19:21

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General

Target

110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
Size

722KB
MD5

029f0e789f5b8d0b3f519b5bb9102754
SHA1

51752b151911083df2f34fde4ae2aaf91de5e930
SHA256

110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf
SHA512

d8d2783d6d9707e1cc7347a8cc165ea2ed50e676f34882a36467205006a1c80aa11f1d84c157f57e227a497be769e45a6f82edc4b4a6fa2f015f21931bdbf06a
SSDEEP

12288:d/ZTwWDTxvNaEXzoOOIIaMowVsKRunMBeJA5EBPYplkhNPgmux2LvJ8n3xs61D0:dD3XzHOlaqVs+unwGAoY3kLPbTN61D0

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

http://cajgtus.com/lancer/get.php

Attributes

extension
.qeza
offline_id
jgILOjDrBgyzY4JmT3B2jDSyBmDPBruKk8bKs6t1
payload_url
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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/665ddae3fc3cd10bbaaa4350408b196920240504141005/4cae7e Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0869PsawqS

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 14 IoCs

resource	yara_rule
behavioral1/memory/2600-2-0x0000000003380000-0x000000000349B000-memory.dmp	family_djvu
behavioral1/memory/2288-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2288-7-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2288-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2288-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2708-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2708-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2708-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2708-49-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2708-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2708-54-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2708-56-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2708-57-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2708-58-0x0000000000400000-0x0000000000537000-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
2688	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\\cdd90978-418c-42ee-abc2-d6e26ae38f88\\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe\" --AutoStart"	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.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 2600 set thread context of 2288	2600	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	29
PID 2940 set thread context of 2708	2940	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.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	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2288	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
2288	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
2708	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
2708	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2288	2600	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	29
PID 2600 wrote to memory of 2288	2600	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	29
PID 2600 wrote to memory of 2288	2600	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	29
PID 2600 wrote to memory of 2288	2600	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	29
PID 2600 wrote to memory of 2288	2600	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	29
PID 2600 wrote to memory of 2288	2600	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	29
PID 2600 wrote to memory of 2288	2600	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	29
PID 2600 wrote to memory of 2288	2600	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	29
PID 2600 wrote to memory of 2288	2600	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	29
PID 2600 wrote to memory of 2288	2600	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	29
PID 2600 wrote to memory of 2288	2600	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	29
PID 2288 wrote to memory of 2688	2288	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	30
PID 2288 wrote to memory of 2688	2288	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	30
PID 2288 wrote to memory of 2688	2288	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	30
PID 2288 wrote to memory of 2688	2288	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	30
PID 2288 wrote to memory of 2940	2288	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	31
PID 2288 wrote to memory of 2940	2288	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	31
PID 2288 wrote to memory of 2940	2288	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	31
PID 2288 wrote to memory of 2940	2288	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	31
PID 2940 wrote to memory of 2708	2940	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	32
PID 2940 wrote to memory of 2708	2940	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	32
PID 2940 wrote to memory of 2708	2940	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	32
PID 2940 wrote to memory of 2708	2940	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	32
PID 2940 wrote to memory of 2708	2940	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	32
PID 2940 wrote to memory of 2708	2940	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	32
PID 2940 wrote to memory of 2708	2940	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	32
PID 2940 wrote to memory of 2708	2940	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	32
PID 2940 wrote to memory of 2708	2940	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	32
PID 2940 wrote to memory of 2708	2940	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	32
PID 2940 wrote to memory of 2708	2940	110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe	32

C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
"C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
  "C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2288
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\cdd90978-418c-42ee-abc2-d6e26ae38f88" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2688
- - C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
    "C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2940
  - - C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
      "C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2708

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
08dbd9b4b4e3acefda96a6242627b844

SHA1
823b67e0d776c553563f9b323e3a515467010a4f

SHA256
a73f409b5cfa6e883406e6265c08952de9b71f14f720fcf289dbb3ea5a82b5df

SHA512
af1cea0716982c2f6b65cdb1017370b0c39d8517a09338481ebe688572fa77bb77361836d6bca3af20ddd5be6fff1370582a68e90729464eb4f0aa32b6741b84

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

Filesize
342B

MD5
0988144d89bbccda69736b3fbaaf3131

SHA1
a7484967836830d2f7e4c06e8db2ab91c622d208

SHA256
b7e32ca1cf4fce349b8fd30b0caac577315c6dc78263989161d04f10d741cb7a

SHA512
d00e064281e59136186417c6a5bc7c27238dbd788edb9192cddbaa2669a6f63aef8bed79d423db2c8e42cdf97f599dc32aa2c8066c1a0dcd4b295af6947a7a93

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

Filesize
170B

MD5
c7c4a7dc59e95902a13139c2166bb117

SHA1
b9fd5608cf25f37b61e90b175ab66f92856e6011

SHA256
9882fb1c6ec60906d0c738d14f55e8efbb6bfd9c75e8268ab69fb5aba63a0402

SHA512
e3f45f72de8d014bf849e51bdab9aef934665db1feb2ce9271d51bfb8dce3781a0f492f06c69d401f8aa1daa1f7145af6714a38a21f14a70db7fd6ba9bfbb9e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab90EA.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\cdd90978-418c-42ee-abc2-d6e26ae38f88\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe

Filesize
722KB

MD5
029f0e789f5b8d0b3f519b5bb9102754

SHA1
51752b151911083df2f34fde4ae2aaf91de5e930

SHA256
110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf

SHA512
d8d2783d6d9707e1cc7347a8cc165ea2ed50e676f34882a36467205006a1c80aa11f1d84c157f57e227a497be769e45a6f82edc4b4a6fa2f015f21931bdbf06a

Download Submit
memory/2288-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2288-7-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2288-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2288-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2288-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2600-1-0x00000000002D0000-0x0000000000362000-memory.dmp

Filesize
584KB

Download
memory/2600-0-0x00000000002D0000-0x0000000000362000-memory.dmp

Filesize
584KB

Download
memory/2600-2-0x0000000003380000-0x000000000349B000-memory.dmp

Filesize
1.1MB

Download
memory/2708-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2708-50-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2708-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2708-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2708-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2708-54-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2708-56-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2708-57-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2708-58-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2940-31-0x0000000001A80000-0x0000000001B12000-memory.dmp

Filesize
584KB

Download