feb5d1cd163f6c0dcb4a621a824107560c8af48f5e575e2c340d34a41a72af04

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2024, 04:39

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General

Target

feb5d1cd163f6c0dcb4a621a824107560c8af48f5e575e2c340d34a41a72af04.dll
Size

203KB
MD5

998a03f68b807137f21a8cbf2fb83a02
SHA1

9ff4615aced018877f19ac5363db1a711268e2fd
SHA256

feb5d1cd163f6c0dcb4a621a824107560c8af48f5e575e2c340d34a41a72af04
SHA512

bc5cdd8c1aad55a85c21cbc3227c0059337ab8fa55b46319660d11f368061760863d1459f10b96906d668b0532c8b3a144f64242e63cd9bbece71a19299a90c5
SSDEEP

3072:hJ8IMILmCa3yx6oFEdgVXnFYf7C9Ugfxm3Nep9viM5:0kmCaiEoFEd+FYOtxmdeviM5

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/4280-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/4280-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4704	4280	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	4280	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3340 wrote to memory of 4280	3340	rundll32.exe	83
PID 3340 wrote to memory of 4280	3340	rundll32.exe	83
PID 3340 wrote to memory of 4280	3340	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\feb5d1cd163f6c0dcb4a621a824107560c8af48f5e575e2c340d34a41a72af04.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3340
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\feb5d1cd163f6c0dcb4a621a824107560c8af48f5e575e2c340d34a41a72af04.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4280
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 708
    3⤵
    - Program crash
    PID:4704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4280 -ip 4280
1⤵
PID:548

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/4280-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/4280-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download