a850ecf417220d71a76126fa87e17ef2f8899b2767f9c237fb2498637dbab593

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 17:11

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General

Target

a850ecf417220d71a76126fa87e17ef2f8899b2767f9c237fb2498637dbab593.exe
Size

72KB
MD5

52af2e2d798f36edf8130224e4125300
SHA1

36d09b4b4b034e41621e9f5565f081828cb8d8ba
SHA256

a850ecf417220d71a76126fa87e17ef2f8899b2767f9c237fb2498637dbab593
SHA512

9b9b0031068733126f6b87ce5617d909fbdd1edb15b1ce68b6ce5ff36ce26f47246a99772bb6c13d1bcd190cc54f79382ce13471a197a09418ce3a79f05ef164
SSDEEP

1536:+msEVUYxgU6kl+0sTSVYSN/4/xEKb6JVoNHIU9P6E5W:+HYxgU6kl+0sTSVYw/4/xEKb6JVoNHIZ

Score

6^/10

Malware Config

Signatures

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

Processes:

a850ecf417220d71a76126fa87e17ef2f8899b2767f9c237fb2498637dbab593.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	a850ecf417220d71a76126fa87e17ef2f8899b2767f9c237fb2498637dbab593.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a850ecf417220d71a76126fa87e17ef2f8899b2767f9c237fb2498637dbab593.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

Processes:

tasklist.exe

pid process

1640 tasklist.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tasklist.exe

description pid process

Token: SeDebugPrivilege 1640 tasklist.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

a850ecf417220d71a76126fa87e17ef2f8899b2767f9c237fb2498637dbab593.exe

pid process

852 a850ecf417220d71a76126fa87e17ef2f8899b2767f9c237fb2498637dbab593.exe

pid	process
1640	tasklist.exe

description	pid	process
Token: SeDebugPrivilege	1640	tasklist.exe

pid	process
852	a850ecf417220d71a76126fa87e17ef2f8899b2767f9c237fb2498637dbab593.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

a850ecf417220d71a76126fa87e17ef2f8899b2767f9c237fb2498637dbab593.execmd.exe

description	pid	process	target process
PID 852 wrote to memory of 1192	852	a850ecf417220d71a76126fa87e17ef2f8899b2767f9c237fb2498637dbab593.exe	cmd.exe
PID 852 wrote to memory of 1192	852	a850ecf417220d71a76126fa87e17ef2f8899b2767f9c237fb2498637dbab593.exe	cmd.exe
PID 852 wrote to memory of 1192	852	a850ecf417220d71a76126fa87e17ef2f8899b2767f9c237fb2498637dbab593.exe	cmd.exe
PID 852 wrote to memory of 1192	852	a850ecf417220d71a76126fa87e17ef2f8899b2767f9c237fb2498637dbab593.exe	cmd.exe
PID 1192 wrote to memory of 1640	1192	cmd.exe	tasklist.exe
PID 1192 wrote to memory of 1640	1192	cmd.exe	tasklist.exe
PID 1192 wrote to memory of 1640	1192	cmd.exe	tasklist.exe
PID 1192 wrote to memory of 1640	1192	cmd.exe	tasklist.exe

C:\Users\Admin\AppData\Local\Temp\a850ecf417220d71a76126fa87e17ef2f8899b2767f9c237fb2498637dbab593.exe
"C:\Users\Admin\AppData\Local\Temp\a850ecf417220d71a76126fa87e17ef2f8899b2767f9c237fb2498637dbab593.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c tasklist&&del a850ecf417220d71a76126fa87e17ef2f8
2⤵
- Suspicious use of WriteProcessMemory
PID:1192

C:\Windows\SysWOW64\tasklist.exe
tasklist
3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1640

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

Replay Monitor

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Downloads

memory/852-56-0x0000000074E41000-0x0000000074E43000-memory.dmp

Filesize
8KB

Download
memory/1192-57-0x0000000000000000-mapping.dmp

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memory/1640-58-0x0000000000000000-mapping.dmp

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