4555deb31adf9083e933403d6fb7573bc4c9806ee20519703c220790bbe9ba87

Analysis

max time kernel
139s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2022, 04:37

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General

Target

4555deb31adf9083e933403d6fb7573bc4c9806ee20519703c220790bbe9ba87.exe
Size

36KB
MD5

2684307f5ea3f7a52876be6a5a9abd4a
SHA1

90071540861a02bcbcc6f5dec076ed73d610637d
SHA256

4555deb31adf9083e933403d6fb7573bc4c9806ee20519703c220790bbe9ba87
SHA512

f6f927d8e484ffd39ab6d445cbe086ccfd43897bb4bde830f3368004f621188bfd022238d9a16617ad0400790098f01d573d91e5325ef6e8862d5b57c01f4e7b
SSDEEP

384:pc2HOo97fkDASlJc5IB1dBx2SGct9JcInp5wyWq2BzSQEt:S2HOefk8NvSGctDL2Sb

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	4555deb31adf9083e933403d6fb7573bc4c9806ee20519703c220790bbe9ba87.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
1676	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1676	tasklist.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4188	4555deb31adf9083e933403d6fb7573bc4c9806ee20519703c220790bbe9ba87.exe
4188	4555deb31adf9083e933403d6fb7573bc4c9806ee20519703c220790bbe9ba87.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4188 wrote to memory of 1328	4188	4555deb31adf9083e933403d6fb7573bc4c9806ee20519703c220790bbe9ba87.exe	87
PID 4188 wrote to memory of 1328	4188	4555deb31adf9083e933403d6fb7573bc4c9806ee20519703c220790bbe9ba87.exe	87
PID 4188 wrote to memory of 1328	4188	4555deb31adf9083e933403d6fb7573bc4c9806ee20519703c220790bbe9ba87.exe	87
PID 1328 wrote to memory of 1676	1328	cmd.exe	89
PID 1328 wrote to memory of 1676	1328	cmd.exe	89
PID 1328 wrote to memory of 1676	1328	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\4555deb31adf9083e933403d6fb7573bc4c9806ee20519703c220790bbe9ba87.exe
"C:\Users\Admin\AppData\Local\Temp\4555deb31adf9083e933403d6fb7573bc4c9806ee20519703c220790bbe9ba87.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4188
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 4555deb31adf9083e933403d6fb7573bc4c9806ee20519703c220790bbe9ba87.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1328
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1676

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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