fdb9e6c3b057d943dd8f56962aa662dd5889bc4faef822c7cef05dfc2baf633b

Analysis

max time kernel
40s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
20-10-2022 05:14

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General

Target

fdb9e6c3b057d943dd8f56962aa662dd5889bc4faef822c7cef05dfc2baf633b.exe
Size

49KB
MD5

8024695047d57d6285775ae815ef6330
SHA1

628b26ef3a487393f86665caf2d69d49ef977462
SHA256

fdb9e6c3b057d943dd8f56962aa662dd5889bc4faef822c7cef05dfc2baf633b
SHA512

65572c0c6a2b8b9c80e454061ecb560228fdb4ae72f5eff267906ac582244cc1f29d4e366b4e0f2df1afd9b33e2233111a3788527098df37520643f4d41468ae
SSDEEP

768:cFAknMX/TWXMqTvviaqWi2PLP+Oyac/7k:cyAMXCXMqTvv/TPPA

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1980	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	fdb9e6c3b057d943dd8f56962aa662dd5889bc4faef822c7cef05dfc2baf633b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	fdb9e6c3b057d943dd8f56962aa662dd5889bc4faef822c7cef05dfc2baf633b.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
636	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	636	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1212	fdb9e6c3b057d943dd8f56962aa662dd5889bc4faef822c7cef05dfc2baf633b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 1980	1212	fdb9e6c3b057d943dd8f56962aa662dd5889bc4faef822c7cef05dfc2baf633b.exe	28
PID 1212 wrote to memory of 1980	1212	fdb9e6c3b057d943dd8f56962aa662dd5889bc4faef822c7cef05dfc2baf633b.exe	28
PID 1212 wrote to memory of 1980	1212	fdb9e6c3b057d943dd8f56962aa662dd5889bc4faef822c7cef05dfc2baf633b.exe	28
PID 1212 wrote to memory of 1980	1212	fdb9e6c3b057d943dd8f56962aa662dd5889bc4faef822c7cef05dfc2baf633b.exe	28
PID 1980 wrote to memory of 636	1980	cmd.exe	30
PID 1980 wrote to memory of 636	1980	cmd.exe	30
PID 1980 wrote to memory of 636	1980	cmd.exe	30
PID 1980 wrote to memory of 636	1980	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\fdb9e6c3b057d943dd8f56962aa662dd5889bc4faef822c7cef05dfc2baf633b.exe
"C:\Users\Admin\AppData\Local\Temp\fdb9e6c3b057d943dd8f56962aa662dd5889bc4faef822c7cef05dfc2baf633b.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del fdb9e6c3b057d943dd8f56962aa662dd5889bc4faef822c7cef05dfc2baf633b.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1980
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:636

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/1212-56-0x0000000075E11000-0x0000000075E13000-memory.dmp

Filesize
8KB

Download
memory/1212-57-0x0000000003880000-0x000000000433A000-memory.dmp

Filesize
10.7MB

Download