b67dd32484f22491f1568aca873de58a5c0d3b0d3f0bbe046c9fb02798681e42

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 10:09

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General

Target

b67dd32484f22491f1568aca873de58a5c0d3b0d3f0bbe046c9fb02798681e42.dll
Size

203KB
MD5

9d4700a38799ea836351f244750bc91c
SHA1

24dbab09aebc1c17d870987918509ddb2e17a31e
SHA256

b67dd32484f22491f1568aca873de58a5c0d3b0d3f0bbe046c9fb02798681e42
SHA512

f0cefadabab57006f33a7ba7faeef6482f2bfe90e2fd6c45ff8ceeeba7349c914155d84f4d60630bdf7cea1e38fcbaec193cc894714d58f10f24a7604b05c4ba
SSDEEP

3072:hJ8IMILmCa3yx6oFEdgVXnFYf7C9Ugfxm3Nep9viM2MKC:0kmCaiEoFEd+FYOtxmdeviM9

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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3016-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3016-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3016-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3016-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3016-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1732	3016	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	3016	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 3016	3000	rundll32.exe	30
PID 3000 wrote to memory of 3016	3000	rundll32.exe	30
PID 3000 wrote to memory of 3016	3000	rundll32.exe	30
PID 3000 wrote to memory of 3016	3000	rundll32.exe	30
PID 3000 wrote to memory of 3016	3000	rundll32.exe	30
PID 3000 wrote to memory of 3016	3000	rundll32.exe	30
PID 3000 wrote to memory of 3016	3000	rundll32.exe	30
PID 3016 wrote to memory of 1732	3016	rundll32.exe	31
PID 3016 wrote to memory of 1732	3016	rundll32.exe	31
PID 3016 wrote to memory of 1732	3016	rundll32.exe	31
PID 3016 wrote to memory of 1732	3016	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b67dd32484f22491f1568aca873de58a5c0d3b0d3f0bbe046c9fb02798681e42.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b67dd32484f22491f1568aca873de58a5c0d3b0d3f0bbe046c9fb02798681e42.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3016
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 328
    3⤵
    - Program crash
    PID:1732

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/3016-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3016-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3016-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3016-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3016-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download