fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3

Analysis

max time kernel
42s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 17:08

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General

Target

fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe
Size

36KB
MD5

4c17860ac6d57d345d1ba7f87f524800
SHA1

77d893ccfcae930052aa3410cb3f3b11ffbb5b28
SHA256

fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3
SHA512

452ef704628c64acba447e7a0a6eb9f047ad56bd8c0bff02ac12b9d6eb1ad956afe9711e8832c12ee586ded5af70f9a7cb767fc03979ffdbe8f21a489b4f31f1
SSDEEP

384:lmnQcDDT375RK3l6DNDvnqzemXrJ99/BDmy4todF+HO86CxEh99yRlKTe70:li3hUMDNDvzmXrJ9Jotov+HO000lP

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1704 cmd.exe

pid	process
1704	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

Processes:

fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.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

Processes:

tasklist.exe

pid process

884 tasklist.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tasklist.exe

description pid process

Token: SeDebugPrivilege 884 tasklist.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe

pid process

1708 fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe

pid	process
884	tasklist.exe

description	pid	process
Token: SeDebugPrivilege	884	tasklist.exe

pid	process
1708	fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.execmd.exe

description	pid	process	target process
PID 1708 wrote to memory of 1704	1708	fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe	cmd.exe
PID 1708 wrote to memory of 1704	1708	fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe	cmd.exe
PID 1708 wrote to memory of 1704	1708	fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe	cmd.exe
PID 1708 wrote to memory of 1704	1708	fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe	cmd.exe
PID 1704 wrote to memory of 884	1704	cmd.exe	tasklist.exe
PID 1704 wrote to memory of 884	1704	cmd.exe	tasklist.exe
PID 1704 wrote to memory of 884	1704	cmd.exe	tasklist.exe
PID 1704 wrote to memory of 884	1704	cmd.exe	tasklist.exe

C:\Users\Admin\AppData\Local\Temp\fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe
"C:\Users\Admin\AppData\Local\Temp\fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c tasklist&&del fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1704

C:\Windows\SysWOW64\tasklist.exe
tasklist
3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:884

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/884-58-0x0000000000000000-mapping.dmp

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memory/1704-57-0x0000000000000000-mapping.dmp

Download
memory/1708-56-0x0000000076121000-0x0000000076123000-memory.dmp

Filesize
8KB

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