265145ec07704045927b0892c3f684cfb2b178664e1658e44b713adcecbcc203

Analysis

max time kernel
114s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 04:23

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General

Target

265145ec07704045927b0892c3f684cfb2b178664e1658e44b713adcecbcc203N.dll
Size

80KB
MD5

4c93692e831a813fb0a330f5b74b7d30
SHA1

3b65cd0c1d79c39fdf29fefe7c75bb15e3184f01
SHA256

265145ec07704045927b0892c3f684cfb2b178664e1658e44b713adcecbcc203
SHA512

ea60a00d665cbefdb00d0ca4fc992868a107ef0349e2ec156d75ceca66b5973fbef8f50bf2687b1fe1f8662ee63bdaa000fccd06fa9aedcb81631b5511a281b6
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEs03u9Xv:5dbwovEVyqgoZmZXWfIdQdRaefPu3yXv

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 2 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
1724	arp.exe
1820	arp.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1952-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1724-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1724-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1952-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1952-6-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1948	1952	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1952	rundll32.exe
Token: SeDebugPrivilege	1724	arp.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 1952	2296	rundll32.exe	31
PID 2296 wrote to memory of 1952	2296	rundll32.exe	31
PID 2296 wrote to memory of 1952	2296	rundll32.exe	31
PID 2296 wrote to memory of 1952	2296	rundll32.exe	31
PID 2296 wrote to memory of 1952	2296	rundll32.exe	31
PID 2296 wrote to memory of 1952	2296	rundll32.exe	31
PID 2296 wrote to memory of 1952	2296	rundll32.exe	31
PID 1952 wrote to memory of 1724	1952	rundll32.exe	32
PID 1952 wrote to memory of 1724	1952	rundll32.exe	32
PID 1952 wrote to memory of 1724	1952	rundll32.exe	32
PID 1952 wrote to memory of 1724	1952	rundll32.exe	32
PID 1952 wrote to memory of 1948	1952	rundll32.exe	33
PID 1952 wrote to memory of 1948	1952	rundll32.exe	33
PID 1952 wrote to memory of 1948	1952	rundll32.exe	33
PID 1952 wrote to memory of 1948	1952	rundll32.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\265145ec07704045927b0892c3f684cfb2b178664e1658e44b713adcecbcc203N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\265145ec07704045927b0892c3f684cfb2b178664e1658e44b713adcecbcc203N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1952
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1724
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1952 -s 348
    3⤵
    - Program crash
    PID:1948
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 56-27-ed-cd-dc-42
    3⤵
    - Network Service Discovery
    PID:1820

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/1724-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1724-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1952-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1952-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1952-6-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download