3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94

Analysis

max time kernel
185s
max time network
185s
platform
windows7_x64
resource
win7-20220414-en
submitted
01-07-2022 07:19

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General

Target

3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe
Size

608KB
MD5

6a1dd1d327f60aee8509df877c8dc38c
SHA1

a2246029749e47a2532b016f80f5132f431e712f
SHA256

3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94
SHA512

c29b9159c1bcb40db1a29cb3d91fc46e5b633db5e09ef52e8996a1d0e9900c153e6b68a7da680747215dbf0b03d34a1259fd17b90da01ff7c45cf1c4abedeaf3

Score

10^/10

persistence ransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2277218442-1199762539-2004043321-1000\RECOVER+vnwgo.TXT

Ransom Note

__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#! NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA-4096 KEY, both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. Decrypting of your files is only possible with the help of the private key and decrypt program, which is on our secret server. What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BITCOIN NOW! , and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://akdfrefdkm45tf33fsdfsdf.yamenswash.com/623DB21EC12B8DB 2. http://p4fhmjnsdfbm4w4fdsc.avowvoice.com/623DB21EC12B8DB 3. http://nn54djhfnrnm4dnjnerfsd.replylaten.at/623DB21EC12B8DB If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser and wait for initialization 3. Type in the address bar: fwgrhsao3aoml7ej.onion/623DB21EC12B8DB 4. Follow the instructions on the site. !!! IMPORTANT INFORMATION: !!! Your personal pages: http://akdfrefdkm45tf33fsdfsdf.yamenswash.com/623DB21EC12B8DB http://p4fhmjnsdfbm4w4fdsc.avowvoice.com/623DB21EC12B8DB http://nn54djhfnrnm4dnjnerfsd.replylaten.at/623DB21EC12B8DB !!! Your personal page Tor-Browser: fwgrhsao3aoml7ej.onion/623DB21EC12B8DB !!! Your personal identification ID: 623DB21EC12B8DB

URLs

http://akdfrefdkm45tf33fsdfsdf.yamenswash.com/623DB21EC12B8DB

http://p4fhmjnsdfbm4w4fdsc.avowvoice.com/623DB21EC12B8DB

http://nn54djhfnrnm4dnjnerfsd.replylaten.at/623DB21EC12B8DB

http://fwgrhsao3aoml7ej.onion/623DB21EC12B8DB

Signatures

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Executes dropped EXE 3 IoCs

pid	Process
1960	teoskqpcq.exe
1144	teoskqpcq.exe
464	bkmgk.exe

Deletes itself 1 IoCs

pid	Process
1276	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1144	teoskqpcq.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run	teoskqpcq.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\addon_v57 = "C:\\Windows\\teoskqpcq.exe"	teoskqpcq.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1396 set thread context of 940	1396	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	27
PID 1960 set thread context of 1144	1960	teoskqpcq.exe	31

Drops file in Program Files directory 33 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\Lang\ca.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\cy.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\gl.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\gu.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\hi.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\br.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\es.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\et.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fi.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fy.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\el.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\History.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\be.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\co.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\cs.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\da.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\bg.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ext.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\af.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ar.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\az.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fa.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\he.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\an.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ba.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\bn.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fr.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\fur.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ast.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\de.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\eo.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\eu.txt	teoskqpcq.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ga.txt	teoskqpcq.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\teoskqpcq.exe	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe
File opened for modification	C:\Windows\teoskqpcq.exe	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Interacts with shadow copies 2 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1107

Inhibit System Recovery

T1490

pid	Process
1600	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 59 IoCs

pid	Process
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe
1144	teoskqpcq.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	940	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe
Token: SeDebugPrivilege	1144	teoskqpcq.exe
Token: SeBackupPrivilege	616	vssvc.exe
Token: SeRestorePrivilege	616	vssvc.exe
Token: SeAuditPrivilege	616	vssvc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1396	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe
1960	teoskqpcq.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 940	1396	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	27
PID 1396 wrote to memory of 940	1396	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	27
PID 1396 wrote to memory of 940	1396	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	27
PID 1396 wrote to memory of 940	1396	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	27
PID 1396 wrote to memory of 940	1396	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	27
PID 1396 wrote to memory of 940	1396	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	27
PID 1396 wrote to memory of 940	1396	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	27
PID 1396 wrote to memory of 940	1396	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	27
PID 1396 wrote to memory of 940	1396	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	27
PID 1396 wrote to memory of 940	1396	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	27
PID 1396 wrote to memory of 940	1396	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	27
PID 940 wrote to memory of 1960	940	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	28
PID 940 wrote to memory of 1960	940	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	28
PID 940 wrote to memory of 1960	940	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	28
PID 940 wrote to memory of 1960	940	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	28
PID 940 wrote to memory of 1276	940	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	29
PID 940 wrote to memory of 1276	940	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	29
PID 940 wrote to memory of 1276	940	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	29
PID 940 wrote to memory of 1276	940	3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe	29
PID 1960 wrote to memory of 1144	1960	teoskqpcq.exe	31
PID 1960 wrote to memory of 1144	1960	teoskqpcq.exe	31
PID 1960 wrote to memory of 1144	1960	teoskqpcq.exe	31
PID 1960 wrote to memory of 1144	1960	teoskqpcq.exe	31
PID 1960 wrote to memory of 1144	1960	teoskqpcq.exe	31
PID 1960 wrote to memory of 1144	1960	teoskqpcq.exe	31
PID 1960 wrote to memory of 1144	1960	teoskqpcq.exe	31
PID 1960 wrote to memory of 1144	1960	teoskqpcq.exe	31
PID 1960 wrote to memory of 1144	1960	teoskqpcq.exe	31
PID 1960 wrote to memory of 1144	1960	teoskqpcq.exe	31
PID 1960 wrote to memory of 1144	1960	teoskqpcq.exe	31
PID 1144 wrote to memory of 464	1144	teoskqpcq.exe	32
PID 1144 wrote to memory of 464	1144	teoskqpcq.exe	32
PID 1144 wrote to memory of 464	1144	teoskqpcq.exe	32
PID 1144 wrote to memory of 464	1144	teoskqpcq.exe	32
PID 464 wrote to memory of 1600	464	bkmgk.exe	33
PID 464 wrote to memory of 1600	464	bkmgk.exe	33
PID 464 wrote to memory of 1600	464	bkmgk.exe	33
PID 464 wrote to memory of 1600	464	bkmgk.exe	33

C:\Users\Admin\AppData\Local\Temp\3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe
"C:\Users\Admin\AppData\Local\Temp\3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1396
- C:\Users\Admin\AppData\Local\Temp\3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe
  "C:\Users\Admin\AppData\Local\Temp\3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94.exe"
  2⤵
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:940
- - C:\Windows\teoskqpcq.exe
    C:\Windows\teoskqpcq.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1960
  - - C:\Windows\teoskqpcq.exe
      C:\Windows\teoskqpcq.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Drops file in Program Files directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1144
    - - C:\Users\Admin\Documents\bkmgk.exe
        
        C:\Users\Admin\Documents\bkmgk.exe
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:464
      - C:\Windows\System32\vssadmin.exe
        
        "C:\Windows\System32\vssadmin.exe" delete shadows /all /Quiet
        6⤵
        Interacts with shadow copies
        
        PID:1600
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\3E7AFF~1.EXE
    3⤵
    - Deletes itself
    PID:1276

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:616

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File Deletion

T1107

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\Users\Admin\Documents\bkmgk.exe

Filesize
3KB

MD5
9dfc75037c8deccc2f1840b249b17750

SHA1
ee37e409cfe2b124e63f98f1797aec0330204b82

SHA256
b5680fd682b7f64e577492c097c825e4a5a00baa82a8668f478640c5f8918da1

SHA512
25e9f3546af040f3cf782b4d6c511517ac0c95cfff8b3afec407c5917427f3129c92495f95873fb67ad928a9c7ef234508ecc9ffd8835da260d8fd1e64ead16e

Download Submit
C:\Windows\teoskqpcq.exe

Filesize
608KB

MD5
6a1dd1d327f60aee8509df877c8dc38c

SHA1
a2246029749e47a2532b016f80f5132f431e712f

SHA256
3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94

SHA512
c29b9159c1bcb40db1a29cb3d91fc46e5b633db5e09ef52e8996a1d0e9900c153e6b68a7da680747215dbf0b03d34a1259fd17b90da01ff7c45cf1c4abedeaf3

Download Submit
C:\Windows\teoskqpcq.exe

Filesize
608KB

MD5
6a1dd1d327f60aee8509df877c8dc38c

SHA1
a2246029749e47a2532b016f80f5132f431e712f

SHA256
3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94

SHA512
c29b9159c1bcb40db1a29cb3d91fc46e5b633db5e09ef52e8996a1d0e9900c153e6b68a7da680747215dbf0b03d34a1259fd17b90da01ff7c45cf1c4abedeaf3

Download Submit
C:\Windows\teoskqpcq.exe

Filesize
608KB

MD5
6a1dd1d327f60aee8509df877c8dc38c

SHA1
a2246029749e47a2532b016f80f5132f431e712f

SHA256
3e7affe327ebbf84f56bccd753c86122e0a1f0e8bf941547bfbcec775ab3ab94

SHA512
c29b9159c1bcb40db1a29cb3d91fc46e5b633db5e09ef52e8996a1d0e9900c153e6b68a7da680747215dbf0b03d34a1259fd17b90da01ff7c45cf1c4abedeaf3

Download Submit
\Users\Admin\Documents\bkmgk.exe

Filesize
3KB

MD5
9dfc75037c8deccc2f1840b249b17750

SHA1
ee37e409cfe2b124e63f98f1797aec0330204b82

SHA256
b5680fd682b7f64e577492c097c825e4a5a00baa82a8668f478640c5f8918da1

SHA512
25e9f3546af040f3cf782b4d6c511517ac0c95cfff8b3afec407c5917427f3129c92495f95873fb67ad928a9c7ef234508ecc9ffd8835da260d8fd1e64ead16e

Download Submit
memory/940-63-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/940-61-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/940-66-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/940-56-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/940-71-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/940-72-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/940-57-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/940-59-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/940-64-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/940-77-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1144-94-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1144-95-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1144-96-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/1396-54-0x0000000075D21000-0x0000000075D23000-memory.dmp

Filesize
8KB

Download
memory/1396-70-0x0000000000240000-0x0000000000243000-memory.dmp

Filesize
12KB

Download
memory/1396-55-0x0000000000240000-0x0000000000243000-memory.dmp

Filesize
12KB

Download