b9709df2ba4632f51a07db5d3a269947ee1b828572ee0d8cb72941a926d06867

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
11/05/2024, 12:18

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General

Target
b9709df2ba4632f51a07db5d3a269947ee1b828572ee0d8cb72941a926d06867.dll
Size 1.6MB
Sample240511-pgqyyaae75
SHA256 b9709df2ba4632f51a07db5d3a269947ee1b828572ee0d8cb72941a926d06867
MD5 113e36e668eb92c3fd687b0e7853fe93
SHA1 a8b92728bc401e642f12c3e16ae720960eb21ca6
SHA512 2bd067c756845fbd90c76e0310b75e4e86b98e72e41fe821da979899dfc970464f89618bd2df71f5d6fe9b6129e028f8aef683dd58bc4df04de6792e63a055d7
SSDEEP 24576:2Fh69Fnix1kHcPGlFERUmu4TtWzmq3fjmNVPvpK0vMTuFU9Kr61B9wrEH7zwh:C69Fikjs+vjmNZvpX0TuF2Z1jm
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0007000000023289-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1548	regsvr32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0007000000023289-1.dat	upx
behavioral2/memory/1548-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1548-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1548	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3704 wrote to memory of 1548	3704	regsvr32.exe	82
PID 3704 wrote to memory of 1548	3704	regsvr32.exe	82
PID 3704 wrote to memory of 1548	3704	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b9709df2ba4632f51a07db5d3a269947ee1b828572ee0d8cb72941a926d06867.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3704
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b9709df2ba4632f51a07db5d3a269947ee1b828572ee0d8cb72941a926d06867.dll
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:1548

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

symsrv.dll

Path C:\Program Files\Common Files\System\symsrv.dll
Size 67KB
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZL:c8y93KQjy7G55riF1cMo03V
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1548-4-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/1548-5-0x0000000010000000-0x0000000010030000-memory.dmp