a7c5d4dab8882f979c652621f15c6d6c89aefca9ad64a073a36783d85f4c874e

Analysis

max time kernel
44s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03-10-2022 02:44

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General

Target

a7c5d4dab8882f979c652621f15c6d6c89aefca9ad64a073a36783d85f4c874e.exe
Size

77KB
MD5

6709c6cb0430191a25904d5a9ecd0700
SHA1

f469a487d374e9cdbb4ed1d09bf0408e51b7950c
SHA256

a7c5d4dab8882f979c652621f15c6d6c89aefca9ad64a073a36783d85f4c874e
SHA512

b724cfe862890b58e28ef1f1888ad7c0265d91b05288ea11e5b8f04fc174f8f427a91fada38fb99ad91a1aa1f784322d35892cb486903dc91518353a97e8266e
SSDEEP

1536:GmAIW39QfiyfOAAlzzZ717afH9DgwPQP:GRz39aoxRe1DPQ

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
524	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	a7c5d4dab8882f979c652621f15c6d6c89aefca9ad64a073a36783d85f4c874e.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a7c5d4dab8882f979c652621f15c6d6c89aefca9ad64a073a36783d85f4c874e.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
1924	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1924	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1492	a7c5d4dab8882f979c652621f15c6d6c89aefca9ad64a073a36783d85f4c874e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 524	1492	a7c5d4dab8882f979c652621f15c6d6c89aefca9ad64a073a36783d85f4c874e.exe	28
PID 1492 wrote to memory of 524	1492	a7c5d4dab8882f979c652621f15c6d6c89aefca9ad64a073a36783d85f4c874e.exe	28
PID 1492 wrote to memory of 524	1492	a7c5d4dab8882f979c652621f15c6d6c89aefca9ad64a073a36783d85f4c874e.exe	28
PID 1492 wrote to memory of 524	1492	a7c5d4dab8882f979c652621f15c6d6c89aefca9ad64a073a36783d85f4c874e.exe	28
PID 524 wrote to memory of 1924	524	cmd.exe	30
PID 524 wrote to memory of 1924	524	cmd.exe	30
PID 524 wrote to memory of 1924	524	cmd.exe	30
PID 524 wrote to memory of 1924	524	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\a7c5d4dab8882f979c652621f15c6d6c89aefca9ad64a073a36783d85f4c874e.exe
"C:\Users\Admin\AppData\Local\Temp\a7c5d4dab8882f979c652621f15c6d6c89aefca9ad64a073a36783d85f4c874e.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del a7c5d4dab8882f979c652621f15c6d6c89aefca9ad64a073a36783d85f4c874e.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:524
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1924

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/1492-56-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

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