a05b43f0ff416c7c1c3f2310f24fb38860a3c59468a531956feb6c3f5a314c90

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 02:41

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General

Target

a05b43f0ff416c7c1c3f2310f24fb38860a3c59468a531956feb6c3f5a314c90.dll
Size

80KB
MD5

211ed6cf8da10c850d7de82e73d2cbe9
SHA1

f64db5cabda0a4bc471069022e729465f7c545b1
SHA256

a05b43f0ff416c7c1c3f2310f24fb38860a3c59468a531956feb6c3f5a314c90
SHA512

9e344a0bf2b8c2698c3c1cbafd72f4f54a21ba05b1f4e559a0c682b9f9e871ef2b2e5a0e80e6328b44230a9572e16af3c98380983eb8207929c46ce9a21ef64c
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEXG3T:5dbwovEVyqgoZmZXWfIdQdRaefPzD

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

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
2796	arp.exe
2940	arp.exe
2936	arp.exe
2164	arp.exe
3032	arp.exe
1744	arp.exe
2964	arp.exe
2792	arp.exe
2928	arp.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2860-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2860-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2860-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3032-7-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3032-9-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2860-11-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2792-19-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2936-18-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1744-17-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2964-16-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2940-15-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2164-14-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2796-13-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2928-12-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2796-29-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2936-33-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2964-31-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2928-27-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2940-26-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1744-24-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2164-21-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2792-34-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2868	2860	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 10 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	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	2860	rundll32.exe
Token: SeDebugPrivilege	3032	arp.exe
Token: SeDebugPrivilege	1744	arp.exe
Token: SeDebugPrivilege	2796	arp.exe
Token: SeDebugPrivilege	2164	arp.exe
Token: SeDebugPrivilege	2940	arp.exe
Token: SeDebugPrivilege	2964	arp.exe
Token: SeDebugPrivilege	2936	arp.exe
Token: SeDebugPrivilege	2928	arp.exe
Token: SeDebugPrivilege	2792	arp.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2860	3012	rundll32.exe	30
PID 3012 wrote to memory of 2860	3012	rundll32.exe	30
PID 3012 wrote to memory of 2860	3012	rundll32.exe	30
PID 3012 wrote to memory of 2860	3012	rundll32.exe	30
PID 3012 wrote to memory of 2860	3012	rundll32.exe	30
PID 3012 wrote to memory of 2860	3012	rundll32.exe	30
PID 3012 wrote to memory of 2860	3012	rundll32.exe	30
PID 2860 wrote to memory of 3032	2860	rundll32.exe	32
PID 2860 wrote to memory of 3032	2860	rundll32.exe	32
PID 2860 wrote to memory of 3032	2860	rundll32.exe	32
PID 2860 wrote to memory of 3032	2860	rundll32.exe	32
PID 2860 wrote to memory of 2868	2860	rundll32.exe	31
PID 2860 wrote to memory of 2868	2860	rundll32.exe	31
PID 2860 wrote to memory of 2868	2860	rundll32.exe	31
PID 2860 wrote to memory of 2868	2860	rundll32.exe	31
PID 2860 wrote to memory of 1744	2860	rundll32.exe	34
PID 2860 wrote to memory of 1744	2860	rundll32.exe	34
PID 2860 wrote to memory of 1744	2860	rundll32.exe	34
PID 2860 wrote to memory of 1744	2860	rundll32.exe	34
PID 2860 wrote to memory of 2964	2860	rundll32.exe	35
PID 2860 wrote to memory of 2964	2860	rundll32.exe	35
PID 2860 wrote to memory of 2964	2860	rundll32.exe	35
PID 2860 wrote to memory of 2964	2860	rundll32.exe	35
PID 2860 wrote to memory of 2796	2860	rundll32.exe	36
PID 2860 wrote to memory of 2796	2860	rundll32.exe	36
PID 2860 wrote to memory of 2796	2860	rundll32.exe	36
PID 2860 wrote to memory of 2796	2860	rundll32.exe	36
PID 2860 wrote to memory of 2940	2860	rundll32.exe	37
PID 2860 wrote to memory of 2940	2860	rundll32.exe	37
PID 2860 wrote to memory of 2940	2860	rundll32.exe	37
PID 2860 wrote to memory of 2940	2860	rundll32.exe	37
PID 2860 wrote to memory of 2792	2860	rundll32.exe	38
PID 2860 wrote to memory of 2792	2860	rundll32.exe	38
PID 2860 wrote to memory of 2792	2860	rundll32.exe	38
PID 2860 wrote to memory of 2792	2860	rundll32.exe	38
PID 2860 wrote to memory of 2936	2860	rundll32.exe	39
PID 2860 wrote to memory of 2936	2860	rundll32.exe	39
PID 2860 wrote to memory of 2936	2860	rundll32.exe	39
PID 2860 wrote to memory of 2936	2860	rundll32.exe	39
PID 2860 wrote to memory of 2164	2860	rundll32.exe	40
PID 2860 wrote to memory of 2164	2860	rundll32.exe	40
PID 2860 wrote to memory of 2164	2860	rundll32.exe	40
PID 2860 wrote to memory of 2164	2860	rundll32.exe	40
PID 2860 wrote to memory of 2928	2860	rundll32.exe	41
PID 2860 wrote to memory of 2928	2860	rundll32.exe	41
PID 2860 wrote to memory of 2928	2860	rundll32.exe	41
PID 2860 wrote to memory of 2928	2860	rundll32.exe	41

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a05b43f0ff416c7c1c3f2310f24fb38860a3c59468a531956feb6c3f5a314c90.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a05b43f0ff416c7c1c3f2310f24fb38860a3c59468a531956feb6c3f5a314c90.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 340
    3⤵
    - Program crash
    PID:2868
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3032
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 75-59-55-07-61-af
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1744
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 f0-51-bb-5d-fc-d7
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2964
- - C:\Windows\SysWOW64\arp.exe
    arp -s 154.61.71.51 19-ca-7e-9f-d3-a0
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2796
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 34-e2-85-f8-77-c2
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2940
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 d6-1c-d6-e2-cf-b2
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2792
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 ae-fc-42-70-d2-38
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2936
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 6f-87-05-3e-68-ab
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2164
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 ea-15-b1-aa-d1-9d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2928

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

Network Service Discovery

T1046

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/1744-24-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1744-17-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2164-21-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2164-14-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2792-34-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2792-19-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2796-29-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2796-13-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2860-11-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2860-3-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/2860-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2860-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2860-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2928-27-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2928-12-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2936-18-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2936-33-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2940-15-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2940-26-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2964-16-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2964-31-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3032-9-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3032-7-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download