2687a6031243c5c3e6e6197d3eb5979a78779e8359f3b6a9481e2e9a9be8c20f

Analysis

max time kernel
21s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 02:52

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General

Target

2687a6031243c5c3e6e6197d3eb5979a78779e8359f3b6a9481e2e9a9be8c20f.exe
Size

68KB
MD5

6327346c9a1122154a1bbcd308bc3f40
SHA1

72819c7ad4d359da77d0502fdc1af13a5d5df204
SHA256

2687a6031243c5c3e6e6197d3eb5979a78779e8359f3b6a9481e2e9a9be8c20f
SHA512

635d63dedb0ba4aa806b28e0cf10461a29af700b5fd9550c77cac6b6114cd2d3fdd11978c4718d143e47660d1feb6247842583873ca7595cce5e1879e4d69c64
SSDEEP

768:5Q5YEEwuzZSa+kHC9EOnI8Po3LQdkMvy9qf77NvCclAYKb7bsNU:5Q5YE8zUa+kig8PgLQdkMvqwtlcf4U

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
780	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	2687a6031243c5c3e6e6197d3eb5979a78779e8359f3b6a9481e2e9a9be8c20f.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	2687a6031243c5c3e6e6197d3eb5979a78779e8359f3b6a9481e2e9a9be8c20f.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
688	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	688	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
912	2687a6031243c5c3e6e6197d3eb5979a78779e8359f3b6a9481e2e9a9be8c20f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 912 wrote to memory of 780	912	2687a6031243c5c3e6e6197d3eb5979a78779e8359f3b6a9481e2e9a9be8c20f.exe	28
PID 912 wrote to memory of 780	912	2687a6031243c5c3e6e6197d3eb5979a78779e8359f3b6a9481e2e9a9be8c20f.exe	28
PID 912 wrote to memory of 780	912	2687a6031243c5c3e6e6197d3eb5979a78779e8359f3b6a9481e2e9a9be8c20f.exe	28
PID 912 wrote to memory of 780	912	2687a6031243c5c3e6e6197d3eb5979a78779e8359f3b6a9481e2e9a9be8c20f.exe	28
PID 780 wrote to memory of 688	780	cmd.exe	30
PID 780 wrote to memory of 688	780	cmd.exe	30
PID 780 wrote to memory of 688	780	cmd.exe	30
PID 780 wrote to memory of 688	780	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\2687a6031243c5c3e6e6197d3eb5979a78779e8359f3b6a9481e2e9a9be8c20f.exe
"C:\Users\Admin\AppData\Local\Temp\2687a6031243c5c3e6e6197d3eb5979a78779e8359f3b6a9481e2e9a9be8c20f.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:912
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 2687a6031243c5c3e6e6197d3eb5979a78779e8359f3b6a9481e2e9a9be8c20f.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:780
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:688

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/912-56-0x0000000075661000-0x0000000075663000-memory.dmp

Filesize
8KB

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