27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed

Analysis

max time kernel
149s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
07/12/2022, 02:48

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General

Target

27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe
Size

132KB
MD5

cc631ce258a788bc2a87894b0bc20f96
SHA1

33628af53cf100343dfbeda502eee8bce23d34e7
SHA256

27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed
SHA512

13a2b388517c5b644853a4ffb8b911475f87f0e0ee1467bfb9c45c44161590e85fabcb85794911fa9ebbbffad551eb05b2f135d8c21950828b6dfbcadaaba4ae
SSDEEP

1536:Znwemrk/AoZUquSKg8iomZqftJ5dXUj9GdHptP:eLk/AsDuS+ixZqftJ/XUj9GpPP

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.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	27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.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
3236	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3236	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1312	27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 4092	1312	27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe	86
PID 1312 wrote to memory of 4092	1312	27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe	86
PID 1312 wrote to memory of 4092	1312	27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe	86
PID 4092 wrote to memory of 3236	4092	cmd.exe	88
PID 4092 wrote to memory of 3236	4092	cmd.exe	88
PID 4092 wrote to memory of 3236	4092	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe
"C:\Users\Admin\AppData\Local\Temp\27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 27d31a0f89f567349af2d6ad1531c2df2d
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4092
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:3236

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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