b931cedeec28f429dc4b1ea6b1926db694072eb97de58736ee65b5758b39a5ab

Analysis

max time kernel
120s
max time network
136s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
09-01-2024 19:39

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General

Target

b931cedeec28f429dc4b1ea6b1926db694072eb97de58736ee65b5758b39a5ab.exe
Size

2.7MB
MD5

af12569d810108c8e0cc9942c00d9cc3
SHA1

daa0f91d9c20c57b8da86fdc529c89370fd29256
SHA256

b931cedeec28f429dc4b1ea6b1926db694072eb97de58736ee65b5758b39a5ab
SHA512

27cd428bb100e49dd91dfaf31da9c874836aecad1b97b4db8accca508d1d4fac19b62777c484feb4ca40622b1a34579310b862b9ff632372db936c22de2e232d
SSDEEP

49152:Flks4A6lVLX6Sc60KNUFFIIsTp69FlNN7boUvH6u//zHuwhXPwMQ9i9ZMW/KMZKq:/n6r6+0KUFIIsTY9Fl/7boUi+iwZPwMJ

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a00000001225e-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
756	b931cedeec28f429dc4b1ea6b1926db694072eb97de58736ee65b5758b39a5ab.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a00000001225e-1.dat	upx
behavioral1/memory/756-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/756-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	b931cedeec28f429dc4b1ea6b1926db694072eb97de58736ee65b5758b39a5ab.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	756	b931cedeec28f429dc4b1ea6b1926db694072eb97de58736ee65b5758b39a5ab.exe

C:\Users\Admin\AppData\Local\Temp\b931cedeec28f429dc4b1ea6b1926db694072eb97de58736ee65b5758b39a5ab.exe
"C:\Users\Admin\AppData\Local\Temp\b931cedeec28f429dc4b1ea6b1926db694072eb97de58736ee65b5758b39a5ab.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/756-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/756-6-0x00000000009E0000-0x0000000000C88000-memory.dmp

Filesize
2.7MB

Download
memory/756-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download