aaffb6b1d0ef646e1aa2e9af0e2bfee8e69414723b86410ae7a4b43227e6847d

Analysis

max time kernel
38s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/10/2022, 07:36

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General

Target

aaffb6b1d0ef646e1aa2e9af0e2bfee8e69414723b86410ae7a4b43227e6847d.exe
Size

96KB
MD5

70ac06f2a27f225b0a2a208a7958be20
SHA1

ad69805512e2a4d06ed21a5a4a1e5c0bb89ed32b
SHA256

aaffb6b1d0ef646e1aa2e9af0e2bfee8e69414723b86410ae7a4b43227e6847d
SHA512

b1513761a059f9ec3123061cd8adce3cdcbb422fa500c06a2dec866b160d2e39db79037acc8473b96b36650f3e2e4db1651a0cdff307157f33463ac584c59119
SSDEEP

1536:10rCEP0GjCxXWDuQ4XRrzIqOR7nGwCez1m:SLCxM4VIVtCg

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1160	cmd.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	aaffb6b1d0ef646e1aa2e9af0e2bfee8e69414723b86410ae7a4b43227e6847d.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	aaffb6b1d0ef646e1aa2e9af0e2bfee8e69414723b86410ae7a4b43227e6847d.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
980	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	980	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1976	aaffb6b1d0ef646e1aa2e9af0e2bfee8e69414723b86410ae7a4b43227e6847d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 1160	1976	aaffb6b1d0ef646e1aa2e9af0e2bfee8e69414723b86410ae7a4b43227e6847d.exe	27
PID 1976 wrote to memory of 1160	1976	aaffb6b1d0ef646e1aa2e9af0e2bfee8e69414723b86410ae7a4b43227e6847d.exe	27
PID 1976 wrote to memory of 1160	1976	aaffb6b1d0ef646e1aa2e9af0e2bfee8e69414723b86410ae7a4b43227e6847d.exe	27
PID 1976 wrote to memory of 1160	1976	aaffb6b1d0ef646e1aa2e9af0e2bfee8e69414723b86410ae7a4b43227e6847d.exe	27
PID 1160 wrote to memory of 980	1160	cmd.exe	29
PID 1160 wrote to memory of 980	1160	cmd.exe	29
PID 1160 wrote to memory of 980	1160	cmd.exe	29
PID 1160 wrote to memory of 980	1160	cmd.exe	29

C:\Users\Admin\AppData\Local\Temp\aaffb6b1d0ef646e1aa2e9af0e2bfee8e69414723b86410ae7a4b43227e6847d.exe
"C:\Users\Admin\AppData\Local\Temp\aaffb6b1d0ef646e1aa2e9af0e2bfee8e69414723b86410ae7a4b43227e6847d.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del aaffb6b1d0ef646e1aa2e9af0e2bfee8e69414723b86410ae7a4b43227e6847d.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1160
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:980

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/1976-56-0x0000000074D81000-0x0000000074D83000-memory.dmp

Filesize
8KB

Download
memory/1976-57-0x00000000033E0000-0x0000000003E9A000-memory.dmp

Filesize
10.7MB

Download