99c9e2b7fa07daa56d9826219c1dcb3fba9c1978f2923d17bfd76deac39ec954

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 09:03

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General

Target

99c9e2b7fa07daa56d9826219c1dcb3fba9c1978f2923d17bfd76deac39ec954N.dll
Size

76KB
MD5

493ba54cfd8f77096acd176605df4bb0
SHA1

2d35198c277d93bea616e9d888e98156d74a3e95
SHA256

99c9e2b7fa07daa56d9826219c1dcb3fba9c1978f2923d17bfd76deac39ec954
SHA512

9f07b56c6d01e31868fce4ef7e1c2780c0a56f98e8f8f5b2d531116ad309ac0e51fbf87fc84eb14cd6eb98d94e4c3b02c81c7bd2bf5257bb30c8d7219f796812
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZyinM0/:c8y93KQjy7G55riF1cMo034g

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/1344-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1344-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2552	1344	WerFault.exe	28

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	1344	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 2316 wrote to memory of 1344	2316	rundll32.exe	28
PID 1344 wrote to memory of 2552	1344	rundll32.exe	29
PID 1344 wrote to memory of 2552	1344	rundll32.exe	29
PID 1344 wrote to memory of 2552	1344	rundll32.exe	29
PID 1344 wrote to memory of 2552	1344	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\99c9e2b7fa07daa56d9826219c1dcb3fba9c1978f2923d17bfd76deac39ec954N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\99c9e2b7fa07daa56d9826219c1dcb3fba9c1978f2923d17bfd76deac39ec954N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 308
    3⤵
    - Program crash
    PID:2552

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/1344-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1344-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download