cdc7fe033553c9f909116b54317c815e6671c8e9e1b17013b598f0776d50763f

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
30-10-2022 05:34

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General

Target

cdc7fe033553c9f909116b54317c815e6671c8e9e1b17013b598f0776d50763f.exe
Size

55KB
MD5

92999d6d8b200cc70353045a9f00c050
SHA1

75600390873ae0d655f22c22ba07f8dcebc19f6a
SHA256

cdc7fe033553c9f909116b54317c815e6671c8e9e1b17013b598f0776d50763f
SHA512

595c9cca93833a55b379b8a49a21e6fb58559437f072fe397ed69acb5e299804ebce84cb494f8d181ac20e9aa5624f3d6cb48981ddc1854122ee5a4b43b62ee1
SSDEEP

768:OhjGvfuKhVrWVauwDLTYYKFPELrMXqet3xNdWGdn0gZKMxLI373l2Ur2agJxZzG:OhFKW/noCt35WGdn0gZFxLIr38RxzG

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1180	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	cdc7fe033553c9f909116b54317c815e6671c8e9e1b17013b598f0776d50763f.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	cdc7fe033553c9f909116b54317c815e6671c8e9e1b17013b598f0776d50763f.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
820	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	820	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1324	cdc7fe033553c9f909116b54317c815e6671c8e9e1b17013b598f0776d50763f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 1180	1324	cdc7fe033553c9f909116b54317c815e6671c8e9e1b17013b598f0776d50763f.exe	28
PID 1324 wrote to memory of 1180	1324	cdc7fe033553c9f909116b54317c815e6671c8e9e1b17013b598f0776d50763f.exe	28
PID 1324 wrote to memory of 1180	1324	cdc7fe033553c9f909116b54317c815e6671c8e9e1b17013b598f0776d50763f.exe	28
PID 1324 wrote to memory of 1180	1324	cdc7fe033553c9f909116b54317c815e6671c8e9e1b17013b598f0776d50763f.exe	28
PID 1180 wrote to memory of 820	1180	cmd.exe	30
PID 1180 wrote to memory of 820	1180	cmd.exe	30
PID 1180 wrote to memory of 820	1180	cmd.exe	30
PID 1180 wrote to memory of 820	1180	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\cdc7fe033553c9f909116b54317c815e6671c8e9e1b17013b598f0776d50763f.exe
"C:\Users\Admin\AppData\Local\Temp\cdc7fe033553c9f909116b54317c815e6671c8e9e1b17013b598f0776d50763f.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1324
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del cdc7fe033553c9f909116b54317c815e6671c8e9e1b17013b598f0776d50763f.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1180
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:820

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/820-58-0x0000000000000000-mapping.dmp

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memory/1180-57-0x0000000000000000-mapping.dmp

Download
memory/1324-56-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

Filesize
8KB

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