f5f1ad4b044dbef4c6edaf83253e423d61dc684bb382dcce5d4f840857ed7116

Analysis

max time kernel
15s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/10/2022, 17:58

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General

Target

f5f1ad4b044dbef4c6edaf83253e423d61dc684bb382dcce5d4f840857ed7116.exe
Size

74KB
MD5

81f60de1c114bfc7e4cc154b90e243f0
SHA1

9fa0e56d99cd43919c512ba6cdd454979f88d841
SHA256

f5f1ad4b044dbef4c6edaf83253e423d61dc684bb382dcce5d4f840857ed7116
SHA512

651ba63f8b79dacd797f1ba18b6c0153b24722ea713ed142405865932741eb796953400cff84282697ce1720f37c762ec7a0b045bb9afc7c4ee68eb603ef665b
SSDEEP

768:4LLJmgEUBTClcALYUP1Dpx0pcTV6oIqCDtw2jOalew:ELYgEtcALDPdp6CCDtLl

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
892	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	f5f1ad4b044dbef4c6edaf83253e423d61dc684bb382dcce5d4f840857ed7116.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	f5f1ad4b044dbef4c6edaf83253e423d61dc684bb382dcce5d4f840857ed7116.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
520	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	520	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
780	f5f1ad4b044dbef4c6edaf83253e423d61dc684bb382dcce5d4f840857ed7116.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 892	780	f5f1ad4b044dbef4c6edaf83253e423d61dc684bb382dcce5d4f840857ed7116.exe	28
PID 780 wrote to memory of 892	780	f5f1ad4b044dbef4c6edaf83253e423d61dc684bb382dcce5d4f840857ed7116.exe	28
PID 780 wrote to memory of 892	780	f5f1ad4b044dbef4c6edaf83253e423d61dc684bb382dcce5d4f840857ed7116.exe	28
PID 780 wrote to memory of 892	780	f5f1ad4b044dbef4c6edaf83253e423d61dc684bb382dcce5d4f840857ed7116.exe	28
PID 892 wrote to memory of 520	892	cmd.exe	30
PID 892 wrote to memory of 520	892	cmd.exe	30
PID 892 wrote to memory of 520	892	cmd.exe	30
PID 892 wrote to memory of 520	892	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\f5f1ad4b044dbef4c6edaf83253e423d61dc684bb382dcce5d4f840857ed7116.exe
"C:\Users\Admin\AppData\Local\Temp\f5f1ad4b044dbef4c6edaf83253e423d61dc684bb382dcce5d4f840857ed7116.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:780
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del f5f1ad4b044dbef4c6edaf83253e423d61dc684bb382dcce5d4f840857ed7116.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:892
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:520

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/780-56-0x0000000076121000-0x0000000076123000-memory.dmp

Filesize
8KB

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