471d501162e2a5cb6aab3f4f5362ff843d05ef9f20d9fd7ea29733d3a9875747

General

Target

5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe
Size

3.6MB
MD5

36fd273ea7607d3a203f257f4e2649ed
SHA1

5e243f79ecb539d0d1f75fce7ddfedeccee70a48
SHA256

471d501162e2a5cb6aab3f4f5362ff843d05ef9f20d9fd7ea29733d3a9875747
SHA512

cf81163bc6d1f1141130fbe70944387b97d322afe837ad21a88a0be8f9fd87615bd7022cc572b1783871cc99f224258bae75855e805c733793b723ba0483597d
SSDEEP

98304:VQF9SqUKUehGS26Ish7MUTjA+1VFnqWXvqaY4:VSSzMGS26x1MUTM+/Fh

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	voiceadequovl.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	voiceadequovl.exe

Executes dropped EXE 2 IoCs

pid	Process
3488	voiceadequovl.exe
2420	voiceadequovl.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\MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce	5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4540	powershell.exe
4540	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	voiceadequovl.exe
Token: SeDebugPrivilege	4540	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3296 wrote to memory of 3488	3296	5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe	79
PID 3296 wrote to memory of 3488	3296	5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe	79
PID 3296 wrote to memory of 3488	3296	5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe	79
PID 3488 wrote to memory of 2420	3488	voiceadequovl.exe	81
PID 3488 wrote to memory of 2420	3488	voiceadequovl.exe	81
PID 3488 wrote to memory of 2420	3488	voiceadequovl.exe	81
PID 2420 wrote to memory of 4540	2420	voiceadequovl.exe	87
PID 2420 wrote to memory of 4540	2420	voiceadequovl.exe	87
PID 2420 wrote to memory of 4540	2420	voiceadequovl.exe	87

C:\Users\Admin\AppData\Local\Temp\5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe
"C:\Users\Admin\AppData\Local\Temp\5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3296
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3488
- - C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
    "C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2420
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwA1AA==
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4540

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe

Filesize
365.5MB

MD5
ba50f2bca86ba947a8d2035bb9b35123

SHA1
a542b5c5d41174dc2475a219978123b7d14f958f

SHA256
17790c5c071280462ed8e617fd2edfff5bf0f40fb9add57f866f058fdbf24cb5

SHA512
08fdb619e411247c571710bc47df2463c95dc2fee82025e548b65ff1a3e4a53e663fafec9bcc5cc234f32211b25f6f9472786c1be543eb71629f32ec09f04379

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe

Filesize
365.5MB

MD5
ba50f2bca86ba947a8d2035bb9b35123

SHA1
a542b5c5d41174dc2475a219978123b7d14f958f

SHA256
17790c5c071280462ed8e617fd2edfff5bf0f40fb9add57f866f058fdbf24cb5

SHA512
08fdb619e411247c571710bc47df2463c95dc2fee82025e548b65ff1a3e4a53e663fafec9bcc5cc234f32211b25f6f9472786c1be543eb71629f32ec09f04379

Download Submit
C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

Filesize
81.3MB

MD5
2be86c87bceb2c044d7de5867def7cf8

SHA1
93cad0129700a1e477302efe2951baae1486f1fe

SHA256
9481d9082281d9aa99162e7c9e8ed792ccd647a65dc75aa1de4caf57f6a032ab

SHA512
4e08784ecb79cdcb004245538af017203f2a297b7dc0414846d9c94c921e7d61bc04c137fc86ea050f52a04ebe327da80f2058fc2142edfb06e2f2b1f1359622

Download Submit
C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

Filesize
48.0MB

MD5
e25f702e6c8fc81d98c5347a262df865

SHA1
0d409d0e1807a585827dfab33fc432843f0d960b

SHA256
9a50641b4ab044cb59a848cdcd64e4ecde4159305def94173d0e91470be5f4a3

SHA512
6c25a61d85c269b7730d62ec21aa47a21040b5b37d10127e71d684fb7dc2213f4a68c205690d0b3a9ffeb4811f5e581fb84c7c294ac799ae76723e7567e0a3f1

Download Submit
memory/2420-138-0x0000000000F50000-0x00000000016C4000-memory.dmp

Filesize
7.5MB

Download
memory/2420-139-0x0000000007620000-0x0000000007642000-memory.dmp

Filesize
136KB

Download
memory/4540-141-0x00000000029C0000-0x00000000029F6000-memory.dmp

Filesize
216KB

Download
memory/4540-142-0x0000000005180000-0x00000000057A8000-memory.dmp

Filesize
6.2MB

Download
memory/4540-143-0x0000000005820000-0x0000000005886000-memory.dmp

Filesize
408KB

Download
memory/4540-144-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/4540-145-0x0000000005FB0000-0x0000000005FCE000-memory.dmp

Filesize
120KB

Download
memory/4540-146-0x0000000007800000-0x0000000007E7A000-memory.dmp

Filesize
6.5MB

Download
memory/4540-147-0x00000000064C0000-0x00000000064DA000-memory.dmp

Filesize
104KB

Download

Analysis

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