efbdac5a23de0b1f05e32f8cc9d22d1d3337c2772996f249fd2a272548f4006e

Analysis

max time kernel
94s
max time network
127s
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, 16:27

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General

Target

efbdac5a23de0b1f05e32f8cc9d22d1d3337c2772996f249fd2a272548f4006e.exe
Size

80KB
MD5

823e115a677abd52ea776a56285f9dac
SHA1

bd76d482f47bb18e2fcda770011631411fa5caf2
SHA256

efbdac5a23de0b1f05e32f8cc9d22d1d3337c2772996f249fd2a272548f4006e
SHA512

616f8012c76b5a6d149b82a5706ec85ecf5fa8762a281c632f4c14a1ea1e8f0ca04cc24cb0f2332ba116d39270ff12b54c36166a9077be5a0a8eaab29cc1a8c4
SSDEEP

1536:LoQGmXxgtpRKZbKv8siTALAao/gBuH/tHsm:Z/KpRTn72SM

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	efbdac5a23de0b1f05e32f8cc9d22d1d3337c2772996f249fd2a272548f4006e.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
1144	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1144	tasklist.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1720	efbdac5a23de0b1f05e32f8cc9d22d1d3337c2772996f249fd2a272548f4006e.exe
1720	efbdac5a23de0b1f05e32f8cc9d22d1d3337c2772996f249fd2a272548f4006e.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2440	1720	efbdac5a23de0b1f05e32f8cc9d22d1d3337c2772996f249fd2a272548f4006e.exe	91
PID 1720 wrote to memory of 2440	1720	efbdac5a23de0b1f05e32f8cc9d22d1d3337c2772996f249fd2a272548f4006e.exe	91
PID 1720 wrote to memory of 2440	1720	efbdac5a23de0b1f05e32f8cc9d22d1d3337c2772996f249fd2a272548f4006e.exe	91
PID 2440 wrote to memory of 1144	2440	cmd.exe	93
PID 2440 wrote to memory of 1144	2440	cmd.exe	93
PID 2440 wrote to memory of 1144	2440	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\efbdac5a23de0b1f05e32f8cc9d22d1d3337c2772996f249fd2a272548f4006e.exe
"C:\Users\Admin\AppData\Local\Temp\efbdac5a23de0b1f05e32f8cc9d22d1d3337c2772996f249fd2a272548f4006e.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del efbdac5a23de0b1f05e32f8cc9d22d1d3337c2772996f249fd2a272548f4006e.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2440
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1144

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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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