5adbd37afeff1028ecea8a71ca31464461304d33f1220b80d99632c5a4453f91

Analysis

max time kernel
96s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 20:08

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General

Target

3a4509b9b97b571c302edcb211b38fbf.exe
Size

144KB
MD5

3a4509b9b97b571c302edcb211b38fbf
SHA1

186967981ddf2c93287a8b834027974ab146caf4
SHA256

5adbd37afeff1028ecea8a71ca31464461304d33f1220b80d99632c5a4453f91
SHA512

6862861210bedd986f1d77e03bd4afad29a930ec2bd9f7bb1178ca509afa2eb4d0bcb8407305ab6b574f48c6dd7fae10b4b1b2e9bbc94c05d3b06ff826ca0cec
SSDEEP

1536:RwkqP1/1yo0Wnchx/X+07DDpFlgYrhp7gX4XFv3AVrlFIS39/oLa:RvqPx1CmchE0PDvhp7i4VvQvFX39/b

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\etc\host7	3a4509b9b97b571c302edcb211b38fbf.exe

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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	3a4509b9b97b571c302edcb211b38fbf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4884 set thread context of 2836	4884	3a4509b9b97b571c302edcb211b38fbf.exe	90

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\pokoz.sys	3a4509b9b97b571c302edcb211b38fbf.exe
File opened for modification	C:\Windows\pokoz.sys	3a4509b9b97b571c302edcb211b38fbf.exe
File created	C:\Windows\sdel.bat	3a4509b9b97b571c302edcb211b38fbf.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2836	3a4509b9b97b571c302edcb211b38fbf.exe
2836	3a4509b9b97b571c302edcb211b38fbf.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
660	Process not Found

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 2836	4884	3a4509b9b97b571c302edcb211b38fbf.exe	90
PID 4884 wrote to memory of 2836	4884	3a4509b9b97b571c302edcb211b38fbf.exe	90
PID 4884 wrote to memory of 2836	4884	3a4509b9b97b571c302edcb211b38fbf.exe	90
PID 4884 wrote to memory of 2836	4884	3a4509b9b97b571c302edcb211b38fbf.exe	90
PID 4884 wrote to memory of 2836	4884	3a4509b9b97b571c302edcb211b38fbf.exe	90
PID 4884 wrote to memory of 2836	4884	3a4509b9b97b571c302edcb211b38fbf.exe	90
PID 4884 wrote to memory of 2836	4884	3a4509b9b97b571c302edcb211b38fbf.exe	90
PID 4884 wrote to memory of 2836	4884	3a4509b9b97b571c302edcb211b38fbf.exe	90
PID 4884 wrote to memory of 2836	4884	3a4509b9b97b571c302edcb211b38fbf.exe	90
PID 2836 wrote to memory of 1328	2836	3a4509b9b97b571c302edcb211b38fbf.exe	92
PID 2836 wrote to memory of 1328	2836	3a4509b9b97b571c302edcb211b38fbf.exe	92
PID 2836 wrote to memory of 1328	2836	3a4509b9b97b571c302edcb211b38fbf.exe	92

C:\Users\Admin\AppData\Local\Temp\3a4509b9b97b571c302edcb211b38fbf.exe
"C:\Users\Admin\AppData\Local\Temp\3a4509b9b97b571c302edcb211b38fbf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4884
- C:\Users\Admin\AppData\Local\Temp\3a4509b9b97b571c302edcb211b38fbf.exe
  "C:\Users\Admin\AppData\Local\Temp\3a4509b9b97b571c302edcb211b38fbf.exe"
  2⤵
  - Drops file in Drivers directory
  - Checks computer location settings
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Windows\sdel.bat" "C:\Users\Admin\AppData\Local\Temp\3a4509b9b97b571c302edcb211b38fbf.exe""
    3⤵
    PID:1328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

C:\Windows\sdel.bat

Filesize
87B

MD5
c422f73e563f284c81c1a23aff9e3d57

SHA1
40a866138213d046c7982e2eef29349457ba0d76

SHA256
735faf8fc874f00472cbb0abc08cb86390d44c737e77558c2b93bfeefc2c4d16

SHA512
355fab1efd9f78ee8f8f9260c80634493fc7b4b2fcefa71bcb938ec89cb788b52ad2ffe3a24d0aa18af00db29102d365859c0635524ebc87638bda3f05b8444a

Download Submit
memory/2836-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2836-4-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2836-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4884-0-0x0000000000400000-0x00000000004283A0-memory.dmp

Filesize
160KB

Download
memory/4884-2-0x0000000000400000-0x00000000004283A0-memory.dmp

Filesize
160KB

Download