03c8cb248352eeacfbe308f68fa371f47f1839a5f36176640f691a202bf01d5e

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
27/07/2022, 14:57

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General

Target
PO.exe
Size 939KB
Sample220727-sbkrhsehcl
SHA256 03c8cb248352eeacfbe308f68fa371f47f1839a5f36176640f691a202bf01d5e
MD5 40df1be7f94be83cb74325b72a694f36
SHA1 79f81eedf32a9a97c9275965af06f6ecb637db75
SHA512 eac0c7689a9b6e9f8af455b6aefd2687d9104d192506706e497a5b2e44ff178a34b3c719d183be524c065bb14c90efd6b6d7115a2b7c09f87c9db1787027819a
MD5 SHA1 SHA512

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-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation	PO.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4344 set thread context of 3536	4344	PO.exe	86
PID 3536 set thread context of 2488	3536	PO.exe	50
PID 3676 set thread context of 2488	3676	raserver.exe	50

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
4344	PO.exe
4344	PO.exe
3536	PO.exe
3536	PO.exe
3536	PO.exe
3536	PO.exe
3536	PO.exe
3536	PO.exe
3536	PO.exe
3536	PO.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2488	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3536	PO.exe
3536	PO.exe
3536	PO.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe
3676	raserver.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4344	PO.exe
Token: SeDebugPrivilege	3536	PO.exe
Token: SeDebugPrivilege	3676	raserver.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4344 wrote to memory of 3544	4344	PO.exe	85
PID 4344 wrote to memory of 3544	4344	PO.exe	85
PID 4344 wrote to memory of 3544	4344	PO.exe	85
PID 4344 wrote to memory of 3536	4344	PO.exe	86
PID 4344 wrote to memory of 3536	4344	PO.exe	86
PID 4344 wrote to memory of 3536	4344	PO.exe	86
PID 4344 wrote to memory of 3536	4344	PO.exe	86
PID 4344 wrote to memory of 3536	4344	PO.exe	86
PID 4344 wrote to memory of 3536	4344	PO.exe	86
PID 2488 wrote to memory of 3676	2488	Explorer.EXE	87
PID 2488 wrote to memory of 3676	2488	Explorer.EXE	87
PID 2488 wrote to memory of 3676	2488	Explorer.EXE	87
PID 3676 wrote to memory of 5052	3676	raserver.exe	88
PID 3676 wrote to memory of 5052	3676	raserver.exe	88
PID 3676 wrote to memory of 5052	3676	raserver.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Users\Admin\AppData\Local\Temp\PO.exe
  "C:\Users\Admin\AppData\Local\Temp\PO.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4344
- - C:\Users\Admin\AppData\Local\Temp\PO.exe
    "C:\Users\Admin\AppData\Local\Temp\PO.exe"
    3⤵
    PID:3544
- - C:\Users\Admin\AppData\Local\Temp\PO.exe
    "C:\Users\Admin\AppData\Local\Temp\PO.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3536
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3676
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:5052

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2488-151-0x0000000008E20000-0x0000000008F50000-memory.dmp

Download

memory/2488-150-0x0000000008E20000-0x0000000008F50000-memory.dmp

Download

memory/2488-143-0x0000000008A90000-0x0000000008BC7000-memory.dmp

Download

memory/3536-140-0x0000000000400000-0x000000000042D000-memory.dmp

Download

memory/3536-142-0x0000000001090000-0x00000000010A1000-memory.dmp

Download

memory/3536-141-0x0000000001370000-0x00000000016BA000-memory.dmp

Download

memory/3536-138-0x0000000000400000-0x000000000042D000-memory.dmp

Download

memory/3676-145-0x0000000000830000-0x000000000084F000-memory.dmp

Download

memory/3676-146-0x00000000007E0000-0x000000000080D000-memory.dmp

Download

memory/3676-147-0x0000000002900000-0x0000000002C4A000-memory.dmp

Download

memory/3676-148-0x0000000002870000-0x0000000002900000-memory.dmp

Download

memory/3676-149-0x00000000007E0000-0x000000000080D000-memory.dmp

Download

memory/4344-135-0x000000000B270000-0x000000000B2D6000-memory.dmp

Download

memory/4344-134-0x00000000072B0000-0x000000000734C000-memory.dmp

Download

memory/4344-133-0x0000000005100000-0x000000000510A000-memory.dmp

Download

memory/4344-130-0x0000000000660000-0x0000000000750000-memory.dmp

Download

memory/4344-132-0x0000000005130000-0x00000000051C2000-memory.dmp

Download

memory/4344-131-0x00000000057F0000-0x0000000005D94000-memory.dmp

Download