55af279dba074291c6f1a7511742bac06b54f00e17501ff93105f3ed0357c91c

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 01:29

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General

Target

55af279dba074291c6f1a7511742bac06b54f00e17501ff93105f3ed0357c91cN.dll
Size

203KB
MD5

d79b32b5013a5fe0291cc3d19b262ce0
SHA1

ffce8a5d68adff68146c319eed8554732a7e3f3f
SHA256

55af279dba074291c6f1a7511742bac06b54f00e17501ff93105f3ed0357c91c
SHA512

118753ff1b0d0bba0a7bd4e5d06d24b76ef066eb57f2c797eae6d99c65475c785a214d109f8b1c4d5098113a1e30e613808743cfcbc5e61e5becef9dcf05e583
SSDEEP

3072:hJ8IMILmCa3yx6oFEdgVXnFYf7C9Ugfxm3Nep9viMRZ8VYD:0kmCaiEoFEd+FYOtxmdeviMRmVm

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/2928-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/2928-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2280	2928	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	2928	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2928	2108	rundll32.exe	82
PID 2108 wrote to memory of 2928	2108	rundll32.exe	82
PID 2108 wrote to memory of 2928	2108	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\55af279dba074291c6f1a7511742bac06b54f00e17501ff93105f3ed0357c91cN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\55af279dba074291c6f1a7511742bac06b54f00e17501ff93105f3ed0357c91cN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 700
    3⤵
    - Program crash
    PID:2280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2928 -ip 2928
1⤵
PID:3400

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/2928-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/2928-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download