76ff59da0d053e0a76220be36b06e1e345826495efa0c708ff06e1d7220ba964

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 01:39

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General

Target

76ff59da0d053e0a76220be36b06e1e345826495efa0c708ff06e1d7220ba964.dll
Size

76KB
MD5

35864cf484d182c1711c6d4a8687daef
SHA1

d03ddf96c1acea9fd7222a87c7a4a8e5d8bf6671
SHA256

76ff59da0d053e0a76220be36b06e1e345826495efa0c708ff06e1d7220ba964
SHA512

ab18a3aad5f8320b998e26b5ebb82f0226e1e5a91acbbe63f2fdc886c72b399ce48e216b48c80bb6090dcde145344df586d379f712ca3420390e6683503f9d88
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZyWkBcCE:c8y93KQjy7G55riF1cMo0310VE

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
behavioral2/memory/1432-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1432-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2856	1432	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	1432	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 1432	3408	rundll32.exe	83
PID 3408 wrote to memory of 1432	3408	rundll32.exe	83
PID 3408 wrote to memory of 1432	3408	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\76ff59da0d053e0a76220be36b06e1e345826495efa0c708ff06e1d7220ba964.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\76ff59da0d053e0a76220be36b06e1e345826495efa0c708ff06e1d7220ba964.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1432
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 700
    3⤵
    - Program crash
    PID:2856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1432 -ip 1432
1⤵
PID:2340

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/1432-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1432-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download