e50d8878bc630744efeca127c393fd4109c9831ab2ed1e7196c81e762bc726e4

Analysis

max time kernel
139s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
17/05/2024, 05:23

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General

Target

e50d8878bc630744efeca127c393fd4109c9831ab2ed1e7196c81e762bc726e4.dll
Size

223KB
MD5

bcc3edf5a678576382ce7fdc71d4f9a5
SHA1

9cfe63630338dba60b3ea3ab83d95e1b840dac0a
SHA256

e50d8878bc630744efeca127c393fd4109c9831ab2ed1e7196c81e762bc726e4
SHA512

e24b58cd49dbe0a1af467317e36e72470e3e38bfae0b0ad78a35c843946a15113a6625833211ce4a489c3654cff2f7e28e77fcd0c8180223bc3c4e10b408b411
SSDEEP

3072:6huf5AUWGIcvxJvK2JrXnAZdlGZxIOtY81fs2lQBV+UdE+rECWp7hKxK:ZBAUWGLVJRLIBV+UdvrEFp7hKxK

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/files/0x0008000000022f51-1.dat	UPX
behavioral2/memory/4892-7-0x0000000000BD0000-0x0000000000C00000-memory.dmp	UPX
behavioral2/memory/4892-6-0x0000000000BD0000-0x0000000000C00000-memory.dmp	UPX
behavioral2/memory/4892-11-0x0000000000BD0000-0x0000000000C00000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0008000000022f51-1.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
4892	rundll32.exe
4892	rundll32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000022f51-1.dat	upx
behavioral2/memory/4892-7-0x0000000000BD0000-0x0000000000C00000-memory.dmp	upx
behavioral2/memory/4892-6-0x0000000000BD0000-0x0000000000C00000-memory.dmp	upx
behavioral2/memory/4892-11-0x0000000000BD0000-0x0000000000C00000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3036	4892	WerFault.exe	83

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4892	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 4892	1448	rundll32.exe	83
PID 1448 wrote to memory of 4892	1448	rundll32.exe	83
PID 1448 wrote to memory of 4892	1448	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e50d8878bc630744efeca127c393fd4109c9831ab2ed1e7196c81e762bc726e4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e50d8878bc630744efeca127c393fd4109c9831ab2ed1e7196c81e762bc726e4.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:4892
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 712
    3⤵
    - Program crash
    PID:3036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4892 -ip 4892
1⤵
PID:2708

Network

MITRE ATT&CK Matrix

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/4892-7-0x0000000000BD0000-0x0000000000C00000-memory.dmp

Filesize
192KB

Download
memory/4892-6-0x0000000000BD0000-0x0000000000C00000-memory.dmp

Filesize
192KB

Download
memory/4892-9-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/4892-11-0x0000000000BD0000-0x0000000000C00000-memory.dmp

Filesize
192KB

Download