9428ef85eaae1b7d8de43605fde16f06d3ce7ae5494ebe88c7d7909a54293051

Analysis

max time kernel
175s
max time network
271s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
28/11/2022, 05:21

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General

Target

9428ef85eaae1b7d8de43605fde16f06d3ce7ae5494ebe88c7d7909a54293051.exe
Size

89KB
MD5

40387eacf3f68fd16b652684bb57e347
SHA1

ca8f25bf0b88bac4624f8a1be520f9ae45def15d
SHA256

9428ef85eaae1b7d8de43605fde16f06d3ce7ae5494ebe88c7d7909a54293051
SHA512

148c0c690f11598702135b2a77ee5fd819f24aa65f9ee0866ae78102ac4d7a05c4290a84e976ecfb698dbc9c1dacb10b252688f14e9d2cec5dd6f138e738a17c
SSDEEP

1536:qh5InXAG8LDl4xgvRxNf5nHZMom9JPw1T6cnjKC6R:k5InXAG8J4xgZvh5Mom9J66cjK

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4396-133-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral2/memory/4396-135-0x0000000000400000-0x000000000041F000-memory.dmp	upx

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	9428ef85eaae1b7d8de43605fde16f06d3ce7ae5494ebe88c7d7909a54293051.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 2 IoCs

pid	Process
4396	9428ef85eaae1b7d8de43605fde16f06d3ce7ae5494ebe88c7d7909a54293051.exe
4396	9428ef85eaae1b7d8de43605fde16f06d3ce7ae5494ebe88c7d7909a54293051.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4396	9428ef85eaae1b7d8de43605fde16f06d3ce7ae5494ebe88c7d7909a54293051.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 3640	4396	9428ef85eaae1b7d8de43605fde16f06d3ce7ae5494ebe88c7d7909a54293051.exe	81
PID 4396 wrote to memory of 3640	4396	9428ef85eaae1b7d8de43605fde16f06d3ce7ae5494ebe88c7d7909a54293051.exe	81
PID 4396 wrote to memory of 3640	4396	9428ef85eaae1b7d8de43605fde16f06d3ce7ae5494ebe88c7d7909a54293051.exe	81

C:\Users\Admin\AppData\Local\Temp\9428ef85eaae1b7d8de43605fde16f06d3ce7ae5494ebe88c7d7909a54293051.exe
"C:\Users\Admin\AppData\Local\Temp\9428ef85eaae1b7d8de43605fde16f06d3ce7ae5494ebe88c7d7909a54293051.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\Ovb..bat" > nul 2> nul
  2⤵
  PID:3640

Network

MITRE ATT&CK Enterprise v6

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:\Users\Admin\AppData\Local\Temp\Ovb..bat

Filesize
274B

MD5
2527c6b83b14c723216e0625f31cb954

SHA1
8c01bbe68453697e20e9771af80b9aaf43121b50

SHA256
0494bc11c96c8218379ad99c7b62b3d029ec8bfd08e632d57b3c3c2b5b3c2cab

SHA512
1968ce611d603dd37ea349f9ef5a948799192afaea7ea1bc094b80da390ff92fdce5bbc94ca47f91512a5b4403db7d3765f8b077ebb21c0ff56019839e64bc16

Download Submit
memory/4396-132-0x00000000001E0000-0x00000000001EA000-memory.dmp

Filesize
40KB

Download
memory/4396-133-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4396-135-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download