4268a0cfa5cc6527ae14266dfb4caa774b7de727be770371290025588e880f40

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 00:01

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General

Target

4268a0cfa5cc6527ae14266dfb4caa774b7de727be770371290025588e880f40N.dll
Size

80KB
MD5

564eab79d7dfe92e81658a0c724e89a0
SHA1

3cc7b91a4d8f9fd95890a786a00f516fc466c976
SHA256

4268a0cfa5cc6527ae14266dfb4caa774b7de727be770371290025588e880f40
SHA512

3aca9ee594dfc105355ccb778017358e33ad3d23b58fac7e4e1761b79b3157ff6d0985a21632e77f6f68bb8f859db9f352672fa2b2d3ffc14cab327139fc0cbf
SSDEEP

1536:uIcs6msUvrh8ErMInQ+4cw9NVWfjaRkE4LEl8B60Y2lfxxHZPE9:dcs6v68Erj3w9zWf+SEFuk0/pfPu

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 7 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
1964	arp.exe
2436	arp.exe
2816	arp.exe
2832	arp.exe
2744	arp.exe
2752	arp.exe
3040	arp.exe

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1944-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3040-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3040-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1944-5-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1964-6-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2816-7-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2436-11-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2752-10-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1964-9-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2816-14-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2744-13-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2752-16-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2744-20-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2436-19-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3032	1944	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 7 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	rundll32.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

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1944	rundll32.exe
Token: SeDebugPrivilege	3040	arp.exe
Token: SeDebugPrivilege	1964	arp.exe
Token: SeDebugPrivilege	2816	arp.exe
Token: SeDebugPrivilege	2752	arp.exe
Token: SeDebugPrivilege	2436	arp.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 1944	632	rundll32.exe	30
PID 632 wrote to memory of 1944	632	rundll32.exe	30
PID 632 wrote to memory of 1944	632	rundll32.exe	30
PID 632 wrote to memory of 1944	632	rundll32.exe	30
PID 632 wrote to memory of 1944	632	rundll32.exe	30
PID 632 wrote to memory of 1944	632	rundll32.exe	30
PID 632 wrote to memory of 1944	632	rundll32.exe	30
PID 1944 wrote to memory of 3032	1944	rundll32.exe	31
PID 1944 wrote to memory of 3032	1944	rundll32.exe	31
PID 1944 wrote to memory of 3032	1944	rundll32.exe	31
PID 1944 wrote to memory of 3032	1944	rundll32.exe	31
PID 1944 wrote to memory of 3040	1944	rundll32.exe	32
PID 1944 wrote to memory of 3040	1944	rundll32.exe	32
PID 1944 wrote to memory of 3040	1944	rundll32.exe	32
PID 1944 wrote to memory of 3040	1944	rundll32.exe	32
PID 1944 wrote to memory of 1964	1944	rundll32.exe	34
PID 1944 wrote to memory of 1964	1944	rundll32.exe	34
PID 1944 wrote to memory of 1964	1944	rundll32.exe	34
PID 1944 wrote to memory of 1964	1944	rundll32.exe	34
PID 1944 wrote to memory of 2436	1944	rundll32.exe	35
PID 1944 wrote to memory of 2436	1944	rundll32.exe	35
PID 1944 wrote to memory of 2436	1944	rundll32.exe	35
PID 1944 wrote to memory of 2436	1944	rundll32.exe	35
PID 1944 wrote to memory of 2752	1944	rundll32.exe	37
PID 1944 wrote to memory of 2752	1944	rundll32.exe	37
PID 1944 wrote to memory of 2752	1944	rundll32.exe	37
PID 1944 wrote to memory of 2752	1944	rundll32.exe	37
PID 1944 wrote to memory of 2744	1944	rundll32.exe	38
PID 1944 wrote to memory of 2744	1944	rundll32.exe	38
PID 1944 wrote to memory of 2744	1944	rundll32.exe	38
PID 1944 wrote to memory of 2744	1944	rundll32.exe	38
PID 1944 wrote to memory of 2816	1944	rundll32.exe	39
PID 1944 wrote to memory of 2816	1944	rundll32.exe	39
PID 1944 wrote to memory of 2816	1944	rundll32.exe	39
PID 1944 wrote to memory of 2816	1944	rundll32.exe	39

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4268a0cfa5cc6527ae14266dfb4caa774b7de727be770371290025588e880f40N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:632
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4268a0cfa5cc6527ae14266dfb4caa774b7de727be770371290025588e880f40N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1944
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 264
    3⤵
    - Program crash
    PID:3032
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3040
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 80-5b-6b-58-7a-2e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1964
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 5c-32-6b-da-3d-e2
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2436
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.180 45-6d-d0-61-62-8c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2752
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 6d-34-ef-25-11-61
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2744
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 3e-49-a9-5b-b8-da
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2816
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 d8-ba-66-15-eb-92
    3⤵
    - Network Service Discovery
    PID:2832

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

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Downloads

memory/1944-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1944-5-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1964-6-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1964-9-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2436-11-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2436-19-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2744-13-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2744-20-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2752-10-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2752-16-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2816-7-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2816-14-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3040-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3040-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download