3950bdfba15a80588712f93b70a36cbf4f596157bbe462f0e311d77b80192594

Analysis

max time kernel
93s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2022, 04:06

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General

Target

3950bdfba15a80588712f93b70a36cbf4f596157bbe462f0e311d77b80192594.dll
Size

67KB
MD5

49cd518e8cb5a3c843b904bae224ef4d
SHA1

035301621d06e3b0e69b26a937aa5a560aac2f97
SHA256

3950bdfba15a80588712f93b70a36cbf4f596157bbe462f0e311d77b80192594
SHA512

429d9fb9670a094d5a708a2def67103384fc104990223eeb65d6a3676fcf068d917c804d908ef32252baf6f6e7fa367725de3dbeae00e8317648329547b17ee4
SSDEEP

1536:hnkuSQTaBse/yP+jRKquRyZ0InIYVzwDbOXuW63mV:hnhS4GEsRfusZDIYhGr3mV

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies Installed Components in the registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{16962CF5-FA8A-5a21-FBE8-898B18DDD65B}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{16962CF5-FA8A-5a21-FBE8-898B18DDD65B}\ = "ÏµÍ³ÉèÖÃ"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{16962CF5-FA8A-5a21-FBE8-898B18DDD65B}\stubpath	rundll32.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4276-133-0x0000000010000000-0x0000000010025000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4924	4276	WerFault.exe	78

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 4276	4436	rundll32.exe	78
PID 4436 wrote to memory of 4276	4436	rundll32.exe	78
PID 4436 wrote to memory of 4276	4436	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3950bdfba15a80588712f93b70a36cbf4f596157bbe462f0e311d77b80192594.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3950bdfba15a80588712f93b70a36cbf4f596157bbe462f0e311d77b80192594.dll,#1
  2⤵
  - Modifies Installed Components in the registry
  PID:4276
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 756
    3⤵
    - Program crash
    PID:4924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4276 -ip 4276
1⤵
PID:4976

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4276-133-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

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