99c3d6f6f518f73e6e9a0f4c41e3b6847ea78422f1d36cbf25b3058cd6ee9563

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 12:41

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General

Target

99c3d6f6f518f73e6e9a0f4c41e3b6847ea78422f1d36cbf25b3058cd6ee9563N.dll
Size

76KB
MD5

9a74e3654da3f7c8884cdcefa5dd3510
SHA1

f3561a43085b85beda9664cb9bd012d5a3413d54
SHA256

99c3d6f6f518f73e6e9a0f4c41e3b6847ea78422f1d36cbf25b3058cd6ee9563
SHA512

16eb03034848376e4955b655b369b822289753dcd47be1fe56328e7edffcf22d974476ed23f0923b9754b67caa8af7cd6a3febf383aeee26eab88205517747e0
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z0Ehb:c8y93KQjy7G55riF1cMo03iEp

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
behavioral1/memory/1604-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1604-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2780	1604	WerFault.exe	30

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	1604	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1604	1996	rundll32.exe	30
PID 1996 wrote to memory of 1604	1996	rundll32.exe	30
PID 1996 wrote to memory of 1604	1996	rundll32.exe	30
PID 1996 wrote to memory of 1604	1996	rundll32.exe	30
PID 1996 wrote to memory of 1604	1996	rundll32.exe	30
PID 1996 wrote to memory of 1604	1996	rundll32.exe	30
PID 1996 wrote to memory of 1604	1996	rundll32.exe	30
PID 1604 wrote to memory of 2780	1604	rundll32.exe	31
PID 1604 wrote to memory of 2780	1604	rundll32.exe	31
PID 1604 wrote to memory of 2780	1604	rundll32.exe	31
PID 1604 wrote to memory of 2780	1604	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\99c3d6f6f518f73e6e9a0f4c41e3b6847ea78422f1d36cbf25b3058cd6ee9563N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\99c3d6f6f518f73e6e9a0f4c41e3b6847ea78422f1d36cbf25b3058cd6ee9563N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 316
    3⤵
    - Program crash
    PID:2780

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/1604-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1604-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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