cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6

Analysis

max time kernel
152s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 04:51

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General

Target

cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
Size

118KB
MD5

9b9c8b0d1b9bbef53fb5475c613bb7b1
SHA1

626754baf14fdf30f8120e0ebf4016b2158d7db3
SHA256

cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6
SHA512

c3944e33c236537885e2efe8e4accd2d9ab49bc8fbaa8d31a9330dec3a6bd048135ce56c22bcd18e086919eea1faf27f88d36d23f59341c6911b24079131408f
SSDEEP

3072:onHWeIYYD6ZzTTJP9tXWXyV3ARxrCMMQXRZeI:62iYDSjJbX9ArCqh/

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1848	audiadg.exe
1748	bcdprov.exe
1568	bcdprov.exe

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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	audiadg.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\audiadg.exe"	audiadg.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2448 set thread context of 4912	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	80
PID 1748 set thread context of 1568	1748	bcdprov.exe	83

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 64 IoCs

pid	Process
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
1748	bcdprov.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
1748	bcdprov.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
1748	bcdprov.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
1748	bcdprov.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
1748	bcdprov.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
1748	bcdprov.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
1748	bcdprov.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
1748	bcdprov.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
1748	bcdprov.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
1748	bcdprov.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
1748	bcdprov.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
1748	bcdprov.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
1748	bcdprov.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
1748	bcdprov.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
1748	bcdprov.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
1848	audiadg.exe
1748	bcdprov.exe
2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
Token: SeDebugPrivilege	1848	audiadg.exe
Token: SeDebugPrivilege	1748	bcdprov.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 4912	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	80
PID 2448 wrote to memory of 4912	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	80
PID 2448 wrote to memory of 4912	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	80
PID 2448 wrote to memory of 4912	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	80
PID 2448 wrote to memory of 4912	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	80
PID 2448 wrote to memory of 4912	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	80
PID 2448 wrote to memory of 4912	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	80
PID 2448 wrote to memory of 4912	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	80
PID 2448 wrote to memory of 4912	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	80
PID 2448 wrote to memory of 4912	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	80
PID 2448 wrote to memory of 4912	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	80
PID 2448 wrote to memory of 4912	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	80
PID 2448 wrote to memory of 4912	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	80
PID 2448 wrote to memory of 4912	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	80
PID 2448 wrote to memory of 1848	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	81
PID 2448 wrote to memory of 1848	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	81
PID 2448 wrote to memory of 1848	2448	cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe	81
PID 1848 wrote to memory of 1748	1848	audiadg.exe	82
PID 1848 wrote to memory of 1748	1848	audiadg.exe	82
PID 1848 wrote to memory of 1748	1848	audiadg.exe	82
PID 1748 wrote to memory of 1568	1748	bcdprov.exe	83
PID 1748 wrote to memory of 1568	1748	bcdprov.exe	83
PID 1748 wrote to memory of 1568	1748	bcdprov.exe	83
PID 1748 wrote to memory of 1568	1748	bcdprov.exe	83
PID 1748 wrote to memory of 1568	1748	bcdprov.exe	83
PID 1748 wrote to memory of 1568	1748	bcdprov.exe	83
PID 1748 wrote to memory of 1568	1748	bcdprov.exe	83
PID 1748 wrote to memory of 1568	1748	bcdprov.exe	83
PID 1748 wrote to memory of 1568	1748	bcdprov.exe	83
PID 1748 wrote to memory of 1568	1748	bcdprov.exe	83
PID 1748 wrote to memory of 1568	1748	bcdprov.exe	83
PID 1748 wrote to memory of 1568	1748	bcdprov.exe	83
PID 1748 wrote to memory of 1568	1748	bcdprov.exe	83
PID 1748 wrote to memory of 1568	1748	bcdprov.exe	83

C:\Users\Admin\AppData\Local\Temp\cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
"C:\Users\Admin\AppData\Local\Temp\cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Users\Admin\AppData\Local\Temp\cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
  C:\Users\Admin\AppData\Local\Temp\cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6.exe
  2⤵
  PID:4912
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\audiadg.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\audiadg.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1848
- - C:\Users\Admin\AppData\Local\Temp\bcdprov.exe
    "C:\Users\Admin\AppData\Local\Temp\bcdprov.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1748
  - - C:\Users\Admin\AppData\Local\Temp\bcdprov.exe
      C:\Users\Admin\AppData\Local\Temp\bcdprov.exe
      4⤵
      Executes dropped EXE
      PID:1568

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\bcdprov.exe

Filesize
118KB

MD5
9b9c8b0d1b9bbef53fb5475c613bb7b1

SHA1
626754baf14fdf30f8120e0ebf4016b2158d7db3

SHA256
cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6

SHA512
c3944e33c236537885e2efe8e4accd2d9ab49bc8fbaa8d31a9330dec3a6bd048135ce56c22bcd18e086919eea1faf27f88d36d23f59341c6911b24079131408f

Download Submit
C:\Users\Admin\AppData\Local\Temp\bcdprov.exe

Filesize
118KB

MD5
9b9c8b0d1b9bbef53fb5475c613bb7b1

SHA1
626754baf14fdf30f8120e0ebf4016b2158d7db3

SHA256
cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6

SHA512
c3944e33c236537885e2efe8e4accd2d9ab49bc8fbaa8d31a9330dec3a6bd048135ce56c22bcd18e086919eea1faf27f88d36d23f59341c6911b24079131408f

Download Submit
C:\Users\Admin\AppData\Local\Temp\bcdprov.exe

Filesize
118KB

MD5
9b9c8b0d1b9bbef53fb5475c613bb7b1

SHA1
626754baf14fdf30f8120e0ebf4016b2158d7db3

SHA256
cb811dc0d9b410895dcb4e9a522d3f0b143946111b606581f027426cc86bf0c6

SHA512
c3944e33c236537885e2efe8e4accd2d9ab49bc8fbaa8d31a9330dec3a6bd048135ce56c22bcd18e086919eea1faf27f88d36d23f59341c6911b24079131408f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\audiadg.exe

Filesize
10KB

MD5
7102425f9bbdb8243ec761ba7d74df60

SHA1
23515f564d8a86abb17375b1e354071d88b952a5

SHA256
e701435d4adb4b5929c1f6d06a390cfc9d2199e657f9b5cfbc2517fc257e85d3

SHA512
9f0176b4713ed6d4934dbf1e52ce6e151357c3962f2c960a17e6c6a856a12672a731d108bfaa0301d3c5b62f7e92d3909bc301b99b9b8f9cb5457e53e7851b0b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\audiadg.exe

Filesize
10KB

MD5
7102425f9bbdb8243ec761ba7d74df60

SHA1
23515f564d8a86abb17375b1e354071d88b952a5

SHA256
e701435d4adb4b5929c1f6d06a390cfc9d2199e657f9b5cfbc2517fc257e85d3

SHA512
9f0176b4713ed6d4934dbf1e52ce6e151357c3962f2c960a17e6c6a856a12672a731d108bfaa0301d3c5b62f7e92d3909bc301b99b9b8f9cb5457e53e7851b0b

Download Submit
memory/1748-152-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/1748-150-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/1848-151-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/1848-141-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/2448-132-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/2448-137-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/4912-134-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4912-135-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4912-136-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download