581a77a0f1907dcb1f6fb73373c05a95b9a5dd9a3b34ef7861c63d72b4593ad7

Analysis

max time kernel
91s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
30/10/2022, 00:03

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General

Target

581a77a0f1907dcb1f6fb73373c05a95b9a5dd9a3b34ef7861c63d72b4593ad7.exe
Size

116KB
MD5

a2f313b5e9baf207ea0a5f8446212ac0
SHA1

1f4c32dcd3f9bf4c41b3f3e2b496821007dfc3ca
SHA256

581a77a0f1907dcb1f6fb73373c05a95b9a5dd9a3b34ef7861c63d72b4593ad7
SHA512

0a8e1d9084c496bd94be8fbca4ee83bd8f9fabb33a401ee06c25390c97294db7618f71c5700b7d466b06cfdc8c6f5573334d68122d807b67b183eafa7edb9aa1
SSDEEP

1536:cLK6xGtf1mtjyLeaqeXt5Qvc0rz/5vajQJZCG/KJkXqyW02MAh:r/4GLeaqeKrb5vajQJZCIqlt

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	581a77a0f1907dcb1f6fb73373c05a95b9a5dd9a3b34ef7861c63d72b4593ad7.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	581a77a0f1907dcb1f6fb73373c05a95b9a5dd9a3b34ef7861c63d72b4593ad7.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	581a77a0f1907dcb1f6fb73373c05a95b9a5dd9a3b34ef7861c63d72b4593ad7.exe

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

System Information Discovery
T1082

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
3604	tasklist.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: 33	1348	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1348	AUDIODG.EXE
Token: SeDebugPrivilege	3604	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4892	581a77a0f1907dcb1f6fb73373c05a95b9a5dd9a3b34ef7861c63d72b4593ad7.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 1992	4892	581a77a0f1907dcb1f6fb73373c05a95b9a5dd9a3b34ef7861c63d72b4593ad7.exe	84
PID 4892 wrote to memory of 1992	4892	581a77a0f1907dcb1f6fb73373c05a95b9a5dd9a3b34ef7861c63d72b4593ad7.exe	84
PID 4892 wrote to memory of 1992	4892	581a77a0f1907dcb1f6fb73373c05a95b9a5dd9a3b34ef7861c63d72b4593ad7.exe	84
PID 1992 wrote to memory of 3604	1992	cmd.exe	86
PID 1992 wrote to memory of 3604	1992	cmd.exe	86
PID 1992 wrote to memory of 3604	1992	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\581a77a0f1907dcb1f6fb73373c05a95b9a5dd9a3b34ef7861c63d72b4593ad7.exe
"C:\Users\Admin\AppData\Local\Temp\581a77a0f1907dcb1f6fb73373c05a95b9a5dd9a3b34ef7861c63d72b4593ad7.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 581a77a0f1907dcb1f6fb73373c05a95b9
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:3604

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x49c 0x38c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1348

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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