a3a4fb496288906e661dac944bba9ddc167cbe0f6cd86830fb01430c6fcdf3f0

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/04/2024, 01:11

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General

Target

a3a4fb496288906e661dac944bba9ddc167cbe0f6cd86830fb01430c6fcdf3f0.exe
Size

234KB
MD5

476b26ed4177522840f5ef2284d47be2
SHA1

b99f0c205afdcc7100301e8efed7d05ae29d16c0
SHA256

a3a4fb496288906e661dac944bba9ddc167cbe0f6cd86830fb01430c6fcdf3f0
SHA512

e38533b6236bb51c08edf2c0b938491230639ea89d313421aaf83d40a11e1de87fb96ff2deacaa55ae8d98550077d37bbfac32d6a62bc0651f96b5e318c09e51
SSDEEP

6144:UUiP/aK2h91p/B+rsNFLBV+UdvrEFp7hKO1:UlP/aK2lhB+YLBjvrEH7R1

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/0x000c00000001224f-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2524	a3a4fb496288906e661dac944bba9ddc167cbe0f6cd86830fb01430c6fcdf3f0.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c00000001224f-1.dat	upx
behavioral1/memory/2524-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2524-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	a3a4fb496288906e661dac944bba9ddc167cbe0f6cd86830fb01430c6fcdf3f0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	a3a4fb496288906e661dac944bba9ddc167cbe0f6cd86830fb01430c6fcdf3f0.exe

C:\Users\Admin\AppData\Local\Temp\a3a4fb496288906e661dac944bba9ddc167cbe0f6cd86830fb01430c6fcdf3f0.exe
"C:\Users\Admin\AppData\Local\Temp\a3a4fb496288906e661dac944bba9ddc167cbe0f6cd86830fb01430c6fcdf3f0.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:2524

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/2524-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2524-5-0x0000000000FD0000-0x0000000000FF9000-memory.dmp

Filesize
164KB

Download
memory/2524-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download