bb2fea1c7430953077dddf0d67273b029fe37038f2ad81ab7c129fdd13fd302d

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 03:34

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General

Target

bb2fea1c7430953077dddf0d67273b029fe37038f2ad81ab7c129fdd13fd302dN.dll
Size

80KB
MD5

daf8181b5d3a5422874d8807e3fac980
SHA1

acbe13dd414d717e888e4ecd131178cefc3f815e
SHA256

bb2fea1c7430953077dddf0d67273b029fe37038f2ad81ab7c129fdd13fd302d
SHA512

217d9a4ba0b1fe685c35cd0709d8330182b1640f7bd04eae74ae5e63df201dbccd8f2f47172c547af12fb46558d01b7a07e109dde362caa46425aebb6bada845
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEvMz:5dbwovEVyqgoZmZXWfIdQdRaefPFz

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 8 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
2804	arp.exe
2676	arp.exe
2768	arp.exe
2892	arp.exe
3012	arp.exe
2728	arp.exe
2824	arp.exe
2780	arp.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2164-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2892-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2892-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2164-6-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2676-10-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2824-9-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2728-11-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2804-8-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3012-7-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2780-12-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2780-14-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2804-16-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2824-24-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2728-23-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2676-20-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3012-19-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1592	2164	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 8 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2164	rundll32.exe
Token: SeDebugPrivilege	2892	arp.exe
Token: SeDebugPrivilege	2824	arp.exe
Token: SeDebugPrivilege	2804	arp.exe
Token: SeDebugPrivilege	3012	arp.exe
Token: SeDebugPrivilege	2728	arp.exe
Token: SeDebugPrivilege	2676	arp.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2164	2416	rundll32.exe	31
PID 2416 wrote to memory of 2164	2416	rundll32.exe	31
PID 2416 wrote to memory of 2164	2416	rundll32.exe	31
PID 2416 wrote to memory of 2164	2416	rundll32.exe	31
PID 2416 wrote to memory of 2164	2416	rundll32.exe	31
PID 2416 wrote to memory of 2164	2416	rundll32.exe	31
PID 2416 wrote to memory of 2164	2416	rundll32.exe	31
PID 2164 wrote to memory of 1592	2164	rundll32.exe	32
PID 2164 wrote to memory of 1592	2164	rundll32.exe	32
PID 2164 wrote to memory of 1592	2164	rundll32.exe	32
PID 2164 wrote to memory of 1592	2164	rundll32.exe	32
PID 2164 wrote to memory of 2892	2164	rundll32.exe	33
PID 2164 wrote to memory of 2892	2164	rundll32.exe	33
PID 2164 wrote to memory of 2892	2164	rundll32.exe	33
PID 2164 wrote to memory of 2892	2164	rundll32.exe	33
PID 2164 wrote to memory of 3012	2164	rundll32.exe	35
PID 2164 wrote to memory of 3012	2164	rundll32.exe	35
PID 2164 wrote to memory of 3012	2164	rundll32.exe	35
PID 2164 wrote to memory of 3012	2164	rundll32.exe	35
PID 2164 wrote to memory of 2676	2164	rundll32.exe	36
PID 2164 wrote to memory of 2676	2164	rundll32.exe	36
PID 2164 wrote to memory of 2676	2164	rundll32.exe	36
PID 2164 wrote to memory of 2676	2164	rundll32.exe	36
PID 2164 wrote to memory of 2804	2164	rundll32.exe	37
PID 2164 wrote to memory of 2804	2164	rundll32.exe	37
PID 2164 wrote to memory of 2804	2164	rundll32.exe	37
PID 2164 wrote to memory of 2804	2164	rundll32.exe	37
PID 2164 wrote to memory of 2780	2164	rundll32.exe	38
PID 2164 wrote to memory of 2780	2164	rundll32.exe	38
PID 2164 wrote to memory of 2780	2164	rundll32.exe	38
PID 2164 wrote to memory of 2780	2164	rundll32.exe	38
PID 2164 wrote to memory of 2728	2164	rundll32.exe	39
PID 2164 wrote to memory of 2728	2164	rundll32.exe	39
PID 2164 wrote to memory of 2728	2164	rundll32.exe	39
PID 2164 wrote to memory of 2728	2164	rundll32.exe	39
PID 2164 wrote to memory of 2824	2164	rundll32.exe	40
PID 2164 wrote to memory of 2824	2164	rundll32.exe	40
PID 2164 wrote to memory of 2824	2164	rundll32.exe	40
PID 2164 wrote to memory of 2824	2164	rundll32.exe	40

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb2fea1c7430953077dddf0d67273b029fe37038f2ad81ab7c129fdd13fd302dN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb2fea1c7430953077dddf0d67273b029fe37038f2ad81ab7c129fdd13fd302dN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2164
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 332
    3⤵
    - Program crash
    PID:1592
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2892
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 f7-ac-4f-09-84-bc
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3012
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 79-bc-6c-e2-09-1d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2676
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.183 f2-56-49-f3-8c-ea
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2804
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 ab-0a-47-b2-7b-07
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2780
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 57-ca-94-ad-ab-ba
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2728
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 f7-71-81-95-d6-55
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2824
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 31-d4-a7-0a-80-1a
    3⤵
    - Network Service Discovery
    PID:2768

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

Filesize
204KB

Download
memory/2164-6-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2164-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2676-20-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2676-10-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2728-23-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2728-11-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2780-12-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2780-14-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2804-8-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2804-16-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2824-9-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2824-24-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2892-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2892-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3012-7-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3012-19-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download