55af279dba074291c6f1a7511742bac06b54f00e17501ff93105f3ed0357c91c

Analysis

max time kernel
69s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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

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/2396-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2396-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1328	2396	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	2396	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2396	2400	rundll32.exe	30
PID 2400 wrote to memory of 2396	2400	rundll32.exe	30
PID 2400 wrote to memory of 2396	2400	rundll32.exe	30
PID 2400 wrote to memory of 2396	2400	rundll32.exe	30
PID 2400 wrote to memory of 2396	2400	rundll32.exe	30
PID 2400 wrote to memory of 2396	2400	rundll32.exe	30
PID 2400 wrote to memory of 2396	2400	rundll32.exe	30
PID 2396 wrote to memory of 1328	2396	rundll32.exe	31
PID 2396 wrote to memory of 1328	2396	rundll32.exe	31
PID 2396 wrote to memory of 1328	2396	rundll32.exe	31
PID 2396 wrote to memory of 1328	2396	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\55af279dba074291c6f1a7511742bac06b54f00e17501ff93105f3ed0357c91cN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- 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
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 308
    3⤵
    - Program crash
    PID:1328

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/2396-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/2396-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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