27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed

Analysis

max time kernel
49s
max time network
90s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
07/12/2022, 02:48

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General

Target

27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe
Size

132KB
MD5

cc631ce258a788bc2a87894b0bc20f96
SHA1

33628af53cf100343dfbeda502eee8bce23d34e7
SHA256

27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed
SHA512

13a2b388517c5b644853a4ffb8b911475f87f0e0ee1467bfb9c45c44161590e85fabcb85794911fa9ebbbffad551eb05b2f135d8c21950828b6dfbcadaaba4ae
SSDEEP

1536:Znwemrk/AoZUquSKg8iomZqftJ5dXUj9GdHptP:eLk/AsDuS+ixZqftJ/XUj9GpPP

Score

6^/10

Malware Config

Signatures

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	27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.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
604	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	604	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1156	27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1156 wrote to memory of 1072	1156	27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe	30
PID 1156 wrote to memory of 1072	1156	27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe	30
PID 1156 wrote to memory of 1072	1156	27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe	30
PID 1156 wrote to memory of 1072	1156	27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe	30
PID 1072 wrote to memory of 604	1072	cmd.exe	32
PID 1072 wrote to memory of 604	1072	cmd.exe	32
PID 1072 wrote to memory of 604	1072	cmd.exe	32
PID 1072 wrote to memory of 604	1072	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe
"C:\Users\Admin\AppData\Local\Temp\27d31a0f89f567349af2d6ad1531c2df2d259f27a0692561570dfc93fad3aaed.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1156
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 27d31a0f89f567349af2d6ad1531c2df2d
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1072
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:604

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

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Downloads

memory/1156-56-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

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