e831c31280fd818020668e1f4a20294620731a219b220e4d7b1032ee6ceede95

Analysis

max time kernel
51s
max time network
55s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
16-06-2024 03:55

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General

Target

e831c31280fd818020668e1f4a20294620731a219b220e4d7b1032ee6ceede95.exe
Size

166KB
MD5

aa67e5c98c651f991ad7da0541f4a9e9
SHA1

b9dce88cac6e0df2518cc589452d0773dfe5976b
SHA256

e831c31280fd818020668e1f4a20294620731a219b220e4d7b1032ee6ceede95
SHA512

a5a110bc8cba05439e49523ec8d1bc682bae5cb623e186979d18d9e610a0158844797ed07ebc885c4bcbba3511ad8ff06d9b08b0e649d7a0ea2e6339be1c7c6a
SSDEEP

3072:T+M3/IVtebkTlLx2/E2lQBV+UdE+rECWp7hKlFTP22GTZNglr:T+mGtebkTlJBV+UdvrEFp7hKx

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral2/files/0x0006000000023278-1.dat	UPX
behavioral2/memory/3796-4-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/3796-13-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0006000000023278-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3796	e831c31280fd818020668e1f4a20294620731a219b220e4d7b1032ee6ceede95.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0006000000023278-1.dat	upx
behavioral2/memory/3796-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3796-13-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	e831c31280fd818020668e1f4a20294620731a219b220e4d7b1032ee6ceede95.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	e831c31280fd818020668e1f4a20294620731a219b220e4d7b1032ee6ceede95.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
3796	e831c31280fd818020668e1f4a20294620731a219b220e4d7b1032ee6ceede95.exe
3796	e831c31280fd818020668e1f4a20294620731a219b220e4d7b1032ee6ceede95.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3796	e831c31280fd818020668e1f4a20294620731a219b220e4d7b1032ee6ceede95.exe

C:\Users\Admin\AppData\Local\Temp\e831c31280fd818020668e1f4a20294620731a219b220e4d7b1032ee6ceede95.exe
"C:\Users\Admin\AppData\Local\Temp\e831c31280fd818020668e1f4a20294620731a219b220e4d7b1032ee6ceede95.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/3796-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3796-6-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/3796-11-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3796-13-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download