8da85cb00f7ba5e8c23b058d31a4b169c18936a8f7181015ce27e871d8b8cccd

Analysis

max time kernel
7s
max time network
8s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2023 11:31

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General

Target

tmp.exe
Size

203KB
MD5

4f707c67968a14d08cc42958d5341707
SHA1

accf64200195ef1ca9c7f497508c4bfb4e18da41
SHA256

8da85cb00f7ba5e8c23b058d31a4b169c18936a8f7181015ce27e871d8b8cccd
SHA512

9790ab884d3d43f23005a2085b3b320f9bf2ce8ccffd4476ea0b8f2a49cce11c6a61f3ed061d4fa759c167fd6728d890363a148c731251abfdab2bace96432ed
SSDEEP

3072:6qUhUhEnI2XCIaxTrjCgmQ8GiVDswVAETR:bUWEIKXwr2OmA

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:

tmp.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation	tmp.exe

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

System Information Discovery
T1082
Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

tmp.exe

pid	Process
4828	tmp.exe
4828	tmp.exe
4828	tmp.exe
4828	tmp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tmp.exe

description	pid	Process
Token: SeDebugPrivilege	4828	tmp.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

tmp.exenet.exenet.exe

description	pid	Process	procid_target
PID 4828 wrote to memory of 2388	4828	tmp.exe	23
PID 4828 wrote to memory of 4320	4828	tmp.exe	93
PID 4828 wrote to memory of 4320	4828	tmp.exe	93
PID 4828 wrote to memory of 3992	4828	tmp.exe	95
PID 4828 wrote to memory of 3992	4828	tmp.exe	95
PID 4320 wrote to memory of 3692	4320	net.exe	97
PID 4320 wrote to memory of 3692	4320	net.exe	97
PID 3992 wrote to memory of 3748	3992	net.exe	98
PID 3992 wrote to memory of 3748	3992	net.exe	98
PID 4828 wrote to memory of 2404	4828	tmp.exe	31
PID 4828 wrote to memory of 2540	4828	tmp.exe	29
PID 4828 wrote to memory of 3252	4828	tmp.exe	78
PID 4828 wrote to memory of 3484	4828	tmp.exe	77

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2388

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2540

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2404

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3484

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3252

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4320
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "audioendpointbuilder" /y
    3⤵
    PID:3692
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3992
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:3748

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

memory/2388-0-0x00007FF7578A0000-0x00007FF757B79000-memory.dmp

Filesize
2.8MB

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