5ed949b837cccef16161f23abe33e13c3f31aa2e6c37a30b31d4f0a07590c686

Analysis

max time kernel
149s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 22:16

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General

Target

5ed949b837cccef16161f23abe33e13c3f31aa2e6c37a30b31d4f0a07590c686.exe
Size

59KB
MD5

16bbfa2cec4cfecd921a474851c31dea
SHA1

46047b242e5511cfe4afe5ada6b8b7d4857da842
SHA256

5ed949b837cccef16161f23abe33e13c3f31aa2e6c37a30b31d4f0a07590c686
SHA512

44d89b5386bb7d255a8bf7c2e6331dd1bb91d094aea1832e235e9c515ff5d0f58d160cd4720d4f5ed831128cad4435df6acfa3252249cda33c05a250ba276c04
SSDEEP

768:qBwBUBvncnz3LjBuylJxYE8y9Z0nphG+YMlTv9RL5EAgg93vKGqy/u96TEKtb5Z5:HUBGjXk2fYfUOP5TlfCngk9yG4TD7MY

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4896-0-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
C:\Users\Admin\AppData\Local\Temp\wsace.exe	UPX
behavioral2/memory/4896-11-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral2/memory/2784-12-0x0000000000400000-0x000000000040B000-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

Processes:

5ed949b837cccef16161f23abe33e13c3f31aa2e6c37a30b31d4f0a07590c686.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	5ed949b837cccef16161f23abe33e13c3f31aa2e6c37a30b31d4f0a07590c686.exe

Executes dropped EXE 1 IoCs

Processes:

wsace.exe

pid process

2784 wsace.exe

pid	process
2784	wsace.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4896-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\wsace.exe	upx
behavioral2/memory/4896-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2784-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

5ed949b837cccef16161f23abe33e13c3f31aa2e6c37a30b31d4f0a07590c686.exe

description	pid	process	target process
PID 4896 wrote to memory of 2784	4896	5ed949b837cccef16161f23abe33e13c3f31aa2e6c37a30b31d4f0a07590c686.exe	wsace.exe
PID 4896 wrote to memory of 2784	4896	5ed949b837cccef16161f23abe33e13c3f31aa2e6c37a30b31d4f0a07590c686.exe	wsace.exe
PID 4896 wrote to memory of 2784	4896	5ed949b837cccef16161f23abe33e13c3f31aa2e6c37a30b31d4f0a07590c686.exe	wsace.exe

C:\Users\Admin\AppData\Local\Temp\5ed949b837cccef16161f23abe33e13c3f31aa2e6c37a30b31d4f0a07590c686.exe
"C:\Users\Admin\AppData\Local\Temp\5ed949b837cccef16161f23abe33e13c3f31aa2e6c37a30b31d4f0a07590c686.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4896
- C:\Users\Admin\AppData\Local\Temp\wsace.exe
  "C:\Users\Admin\AppData\Local\Temp\wsace.exe"
  2⤵
  - Executes dropped EXE
  PID:2784

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4372,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=3804 /prefetch:8
1⤵
PID:4288

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:\Users\Admin\AppData\Local\Temp\wsace.exe

Filesize
59KB

MD5
7e1a15ae8e47885c3b23584034bdbd0d

SHA1
b3b3360ba0c71533e36c954df95f3093a1826185

SHA256
c9c01e3cd4534cc8e248b9a2d2b3aec83bee9cca92ff9d6408b1dbd5f7660abe

SHA512
32ac15304ffc1867ff2c4af4b92d403f67a3a9fd03afd3ce0f9981b083654ff5a8776c305abdf36d8573a1218bb6e78e78c345552ed36289e86e97b59133e34c

Download Submit
memory/2784-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4896-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4896-2-0x0000000000401000-0x0000000000403000-memory.dmp

Filesize
8KB

Download
memory/4896-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download