cdfc0b6a467e423501ec14955242c6040f1cb04d411877246f1333a2b47744c4

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 22:21

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General

Target

cdfc0b6a467e423501ec14955242c6040f1cb04d411877246f1333a2b47744c4.dll
Size

80KB
MD5

cb35f60dc2f19026baa253a2b1f52e5b
SHA1

931e5cb9ef1588ea968e8d86292e19dffe61b94e
SHA256

cdfc0b6a467e423501ec14955242c6040f1cb04d411877246f1333a2b47744c4
SHA512

74b59d4514c492ca496892019c3eb2131950d5d7e28ae7e2ca8e0c4728e336fc09a4131c47adf86b0387d50ec2325bced844e8e9a50970f58fe39cd34f6fd6e4
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEl:5dbwovEVyqgoZmZXWfIdQdRaefPS

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
2060	arp.exe
1744	arp.exe
2812	arp.exe
2600	arp.exe
2844	arp.exe
2568	arp.exe
2592	arp.exe
2848	arp.exe
2744	arp.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2656-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2656-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2844-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2844-5-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2656-7-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2568-11-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2568-16-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2812-15-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2600-13-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2848-12-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1744-10-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2744-9-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2592-8-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2744-22-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1744-20-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2592-19-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2600-26-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2848-25-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2812-28-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2060-29-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2060-30-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2856	2656	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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2656	rundll32.exe
Token: SeDebugPrivilege	2844	arp.exe
Token: SeDebugPrivilege	2592	arp.exe
Token: SeDebugPrivilege	1744	arp.exe
Token: SeDebugPrivilege	2568	arp.exe
Token: SeDebugPrivilege	2848	arp.exe
Token: SeDebugPrivilege	2060	arp.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2656	2080	rundll32.exe	30
PID 2080 wrote to memory of 2656	2080	rundll32.exe	30
PID 2080 wrote to memory of 2656	2080	rundll32.exe	30
PID 2080 wrote to memory of 2656	2080	rundll32.exe	30
PID 2080 wrote to memory of 2656	2080	rundll32.exe	30
PID 2080 wrote to memory of 2656	2080	rundll32.exe	30
PID 2080 wrote to memory of 2656	2080	rundll32.exe	30
PID 2656 wrote to memory of 2844	2656	rundll32.exe	31
PID 2656 wrote to memory of 2844	2656	rundll32.exe	31
PID 2656 wrote to memory of 2844	2656	rundll32.exe	31
PID 2656 wrote to memory of 2844	2656	rundll32.exe	31
PID 2656 wrote to memory of 2856	2656	rundll32.exe	32
PID 2656 wrote to memory of 2856	2656	rundll32.exe	32
PID 2656 wrote to memory of 2856	2656	rundll32.exe	32
PID 2656 wrote to memory of 2856	2656	rundll32.exe	32
PID 2656 wrote to memory of 2744	2656	rundll32.exe	34
PID 2656 wrote to memory of 2744	2656	rundll32.exe	34
PID 2656 wrote to memory of 2744	2656	rundll32.exe	34
PID 2656 wrote to memory of 2744	2656	rundll32.exe	34
PID 2656 wrote to memory of 2568	2656	rundll32.exe	35
PID 2656 wrote to memory of 2568	2656	rundll32.exe	35
PID 2656 wrote to memory of 2568	2656	rundll32.exe	35
PID 2656 wrote to memory of 2568	2656	rundll32.exe	35
PID 2656 wrote to memory of 2060	2656	rundll32.exe	36
PID 2656 wrote to memory of 2060	2656	rundll32.exe	36
PID 2656 wrote to memory of 2060	2656	rundll32.exe	36
PID 2656 wrote to memory of 2060	2656	rundll32.exe	36
PID 2656 wrote to memory of 1744	2656	rundll32.exe	37
PID 2656 wrote to memory of 1744	2656	rundll32.exe	37
PID 2656 wrote to memory of 1744	2656	rundll32.exe	37
PID 2656 wrote to memory of 1744	2656	rundll32.exe	37
PID 2656 wrote to memory of 2812	2656	rundll32.exe	38
PID 2656 wrote to memory of 2812	2656	rundll32.exe	38
PID 2656 wrote to memory of 2812	2656	rundll32.exe	38
PID 2656 wrote to memory of 2812	2656	rundll32.exe	38
PID 2656 wrote to memory of 2592	2656	rundll32.exe	39
PID 2656 wrote to memory of 2592	2656	rundll32.exe	39
PID 2656 wrote to memory of 2592	2656	rundll32.exe	39
PID 2656 wrote to memory of 2592	2656	rundll32.exe	39
PID 2656 wrote to memory of 2600	2656	rundll32.exe	40
PID 2656 wrote to memory of 2600	2656	rundll32.exe	40
PID 2656 wrote to memory of 2600	2656	rundll32.exe	40
PID 2656 wrote to memory of 2600	2656	rundll32.exe	40
PID 2656 wrote to memory of 2848	2656	rundll32.exe	41
PID 2656 wrote to memory of 2848	2656	rundll32.exe	41
PID 2656 wrote to memory of 2848	2656	rundll32.exe	41
PID 2656 wrote to memory of 2848	2656	rundll32.exe	41

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cdfc0b6a467e423501ec14955242c6040f1cb04d411877246f1333a2b47744c4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cdfc0b6a467e423501ec14955242c6040f1cb04d411877246f1333a2b47744c4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2844
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 344
    3⤵
    - Program crash
    PID:2856
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 58-a7-62-82-3d-8d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2744
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 36-01-c3-fb-7b-37
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2568
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.185 4a-7a-25-37-fd-b9
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2060
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 5d-b9-04-26-c2-df
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1744
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 5c-74-59-80-32-15
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2812
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 34-fb-9d-eb-98-6c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2592
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 f1-af-70-f1-f9-7c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2600
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 22-5f-55-ec-ee-9d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2848

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/1744-10-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1744-20-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2060-30-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2060-29-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2568-11-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2568-16-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2592-19-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2592-8-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2600-26-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2600-13-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2656-7-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2656-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2656-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2656-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2744-9-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2744-22-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2812-15-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2812-28-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2844-5-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2844-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2848-12-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2848-25-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download