a2bfaca1b9825e0547c6390620d7ae3c68e937925db7292d841d4db1565dcf69

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
12-03-2024 23:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a2bfaca1b9825e0547c6390620d7ae3c68e937925db7292d841d4db1565dcf69.exe
Size

1009KB
MD5

830cd27ff873b2282871a90ba99f090f
SHA1

13f017db45e409fbc0c1a7b11c9a38486b5f5d84
SHA256

a2bfaca1b9825e0547c6390620d7ae3c68e937925db7292d841d4db1565dcf69
SHA512

182d6e72f3d25c70275deae2baeb94d6ed0493d191a5b6486138f2a3d9a791e0f33a5e6a92a185e0a5c9b312a1a2f95f730994d7d6425778a96d58f850417ced
SSDEEP

12288:91PUjD5caADP7y8H+RNUDDv+8P77+7qB3DWKtsm45RpBjvrEH7Z:97aAz/eR+u7C3D1tT45R3rEH7Z

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001220d-1.dat	UPX
behavioral1/memory/2412-3-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/2412-15-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a00000001220d-1.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
2412	a2bfaca1b9825e0547c6390620d7ae3c68e937925db7292d841d4db1565dcf69.exe
2412	a2bfaca1b9825e0547c6390620d7ae3c68e937925db7292d841d4db1565dcf69.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a00000001220d-1.dat	upx
behavioral1/memory/2412-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2412-15-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	a2bfaca1b9825e0547c6390620d7ae3c68e937925db7292d841d4db1565dcf69.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2412	a2bfaca1b9825e0547c6390620d7ae3c68e937925db7292d841d4db1565dcf69.exe

C:\Users\Admin\AppData\Local\Temp\a2bfaca1b9825e0547c6390620d7ae3c68e937925db7292d841d4db1565dcf69.exe
"C:\Users\Admin\AppData\Local\Temp\a2bfaca1b9825e0547c6390620d7ae3c68e937925db7292d841d4db1565dcf69.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:2412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nso11B.tmp\System.dll

Filesize
11KB

MD5
17ed1c86bd67e78ade4712be48a7d2bd

SHA1
1cc9fe86d6d6030b4dae45ecddce5907991c01a0

SHA256
bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

SHA512
0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

Download Submit
\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2412-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2412-5-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2412-15-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2412-16-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download