fc7f106835fe0c233e4a49c09dfa00b897411a01d8ab1014b74016c7a174e67d

Analysis

max time kernel
98s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 07:57

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General

Target

fc7f106835fe0c233e4a49c09dfa00b897411a01d8ab1014b74016c7a174e67dN.dll
Size

76KB
MD5

e5341b6cf54499fa9ec18a076f846bf0
SHA1

22d293b3f368da16ecf0e95bc4ecdc983613201d
SHA256

fc7f106835fe0c233e4a49c09dfa00b897411a01d8ab1014b74016c7a174e67d
SHA512

58daf8e9cc9d0ef09cce66871000ead370e1ebcef9ebd4b5beac39ce1f118afce3545b47498ab7b2452da28a0bfe299ce269164c7b56dad0e84dea27732339df
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZeyFoP/i:c8y93KQjy7G55riF1cMo030Rni

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/636-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/636-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3008	636	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	636	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3120 wrote to memory of 636	3120	rundll32.exe	82
PID 3120 wrote to memory of 636	3120	rundll32.exe	82
PID 3120 wrote to memory of 636	3120	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc7f106835fe0c233e4a49c09dfa00b897411a01d8ab1014b74016c7a174e67dN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3120
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc7f106835fe0c233e4a49c09dfa00b897411a01d8ab1014b74016c7a174e67dN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 704
    3⤵
    - Program crash
    PID:3008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 636 -ip 636
1⤵
PID:3156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/636-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/636-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download