2988df26ff3352aa7ddd83da0a39affe5aff7974701321933e19b8a3cf67c835

Analysis

max time kernel
91s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 23:11

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General

Target

2988df26ff3352aa7ddd83da0a39affe5aff7974701321933e19b8a3cf67c835N.dll
Size

76KB
MD5

289f5567b6906694b3aedd5a5db0f360
SHA1

964d4538493809e2584087dd3f77614fe78a95f0
SHA256

2988df26ff3352aa7ddd83da0a39affe5aff7974701321933e19b8a3cf67c835
SHA512

56017a5207e9db64b3ced7d0ce0a6aa5af1adc67113fb35e8834dbb8a4a093368a6ec3caed925033d7f6cacc0b3fe2bbe667ff96a5652950e783933729ba4862
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZK2aaPp:c8y93KQjy7G55riF1cMo03cE

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4260-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4260-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3616	4260	WerFault.exe	83

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	4260	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4732 wrote to memory of 4260	4732	rundll32.exe	83
PID 4732 wrote to memory of 4260	4732	rundll32.exe	83
PID 4732 wrote to memory of 4260	4732	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2988df26ff3352aa7ddd83da0a39affe5aff7974701321933e19b8a3cf67c835N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4732
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2988df26ff3352aa7ddd83da0a39affe5aff7974701321933e19b8a3cf67c835N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4260
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4260 -s 712
    3⤵
    - Program crash
    PID:3616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4260 -ip 4260
1⤵
PID:4944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/4260-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4260-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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