50e448855e971762fcd6a7c0e46e622dc0a749416afb6e6113c62d6cb4fe4273

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/03/2024, 22:19

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General

Target

50e448855e971762fcd6a7c0e46e622dc0a749416afb6e6113c62d6cb4fe4273.dll
Size

76KB
MD5

582b69ec7eeb4ad8d77d6ca3ec2a1511
SHA1

4abdca720e5c256161d97c193230958bfc94b68f
SHA256

50e448855e971762fcd6a7c0e46e622dc0a749416afb6e6113c62d6cb4fe4273
SHA512

6d38d61e7214d2371ccec0d7cb0fbf47635a67d1eef088904fba4274cc154a03d6b40cc3b1d4e0dffc54e6ceb07f2e3662490caecb5f590bb1f71de9458c0d29
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZbPj:c8y93KQjy7G55riF1cMo03l

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral2/memory/4612-0-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4612-1-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4612-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4612-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4608	4612	WerFault.exe	88

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4612	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 4612	1516	rundll32.exe	88
PID 1516 wrote to memory of 4612	1516	rundll32.exe	88
PID 1516 wrote to memory of 4612	1516	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\50e448855e971762fcd6a7c0e46e622dc0a749416afb6e6113c62d6cb4fe4273.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\50e448855e971762fcd6a7c0e46e622dc0a749416afb6e6113c62d6cb4fe4273.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4612
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 700
    3⤵
    - Program crash
    PID:4608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4612 -ip 4612
1⤵
PID:1428

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

memory/4612-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4612-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download