dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995

Analysis

max time kernel
186s
max time network
208s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
31-07-2022 08:46

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General

Target

dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe
Size

763KB
MD5

0cd6977068202fb2a7b3ab7c552ec508
SHA1

d012374c33fdb7337412c92f7fa4eb9ad2dd2068
SHA256

dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995
SHA512

3a85063893354d7946e3e1a7828592e5319668ce4b732b35376be5039a875d8c1216fd4c823b8d4122f693e5941694fcef382f6ddc1b15c2ba66c63d6c75c2b5

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

Processes:

dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe

pid process

632 dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe

description pid process

Token: SeDebugPrivilege 632 dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe

pid	process
632	dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe

description	pid	process
Token: SeDebugPrivilege	632	dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe

description	pid	process	target process
PID 632 wrote to memory of 2432	632	dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe	cmd.exe
PID 632 wrote to memory of 2432	632	dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe	cmd.exe
PID 632 wrote to memory of 2432	632	dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe	cmd.exe
PID 632 wrote to memory of 824	632	dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe	explorer.exe
PID 632 wrote to memory of 824	632	dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe	explorer.exe
PID 632 wrote to memory of 824	632	dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe
"C:\Users\Admin\AppData\Local\Temp\dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:632

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\dce3b8f6c67292d33c786fe0e92b9df5c63975c5e89a74fe4115defb56c66995.exe" "C:\Users\Admin\AppData\Local\Cortana.exe"
2⤵
PID:2432

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\System32\explorer.exe" /c, "C:\Users\Admin\AppData\Local\Cortana.exe"
2⤵
PID:824

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
PID:2192

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/632-131-0x0000000000FE0000-0x00000000010A2000-memory.dmp

Filesize
776KB

Download
memory/632-132-0x0000000005FB0000-0x0000000006554000-memory.dmp

Filesize
5.6MB

Download
memory/632-133-0x0000000005AA0000-0x0000000005B32000-memory.dmp

Filesize
584KB

Download
memory/824-135-0x0000000000000000-mapping.dmp

Download
memory/2432-134-0x0000000000000000-mapping.dmp

Download