8bdd484400f707cb401b4d354039dc08b4d5603f75799a1374100c1bfb7d031b

Analysis

max time kernel
113s
max time network
74s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 03:28

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General

Target

8bdd484400f707cb401b4d354039dc08b4d5603f75799a1374100c1bfb7d031bN.dll
Size

80KB
MD5

c7f3377444bf889f1e0ed4943f0a6650
SHA1

cc528788fac8a5f1db4635abd21bce83c16ef786
SHA256

8bdd484400f707cb401b4d354039dc08b4d5603f75799a1374100c1bfb7d031b
SHA512

feb5062fb4a28d69ac109fd9c01a53c648e2e7a8fccf967ef18806faf13d26a69448555eba7f9ac430c189e99bed845fc3404d3882b7e61d56292a6ddd87b883
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEd:5dbwovEVyqgoZmZXWfIdQdRaefPC

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
5	828	rundll32.exe
8	828	rundll32.exe
9	828	rundll32.exe

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

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	rundll32.exe

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
1684	arp.exe
1884	arp.exe
2712	arp.exe
2428	arp.exe
1672	arp.exe
492	arp.exe
2820	arp.exe
2236	arp.exe
2352	arp.exe

UPX packed file 26 IoCs

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

upx

resource	yara_rule
behavioral1/memory/828-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/828-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1684-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1684-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1884-5-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2712-7-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/492-8-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1672-6-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2428-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2352-9-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2236-10-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2820-11-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2428-13-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/492-17-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2712-18-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1672-16-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2236-21-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2820-26-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2352-25-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1884-22-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/828-28-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1104-30-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1104-32-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/828-33-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/828-39-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/828-41-0x0000000010000000-0x0000000010033000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 11 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
828	rundll32.exe
828	rundll32.exe
828	rundll32.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
480	Process not Found
480	Process not Found

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	828	rundll32.exe
Token: SeDebugPrivilege	1684	arp.exe
Token: SeDebugPrivilege	2428	arp.exe
Token: SeDebugPrivilege	1672	arp.exe
Token: SeDebugPrivilege	2712	arp.exe
Token: SeDebugPrivilege	492	arp.exe
Token: SeDebugPrivilege	1884	arp.exe
Token: SeDebugPrivilege	2352	arp.exe
Token: SeDebugPrivilege	2236	arp.exe
Token: SeDebugPrivilege	2820	arp.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 828	2500	rundll32.exe	30
PID 2500 wrote to memory of 828	2500	rundll32.exe	30
PID 2500 wrote to memory of 828	2500	rundll32.exe	30
PID 2500 wrote to memory of 828	2500	rundll32.exe	30
PID 2500 wrote to memory of 828	2500	rundll32.exe	30
PID 2500 wrote to memory of 828	2500	rundll32.exe	30
PID 2500 wrote to memory of 828	2500	rundll32.exe	30
PID 828 wrote to memory of 1684	828	rundll32.exe	31
PID 828 wrote to memory of 1684	828	rundll32.exe	31
PID 828 wrote to memory of 1684	828	rundll32.exe	31
PID 828 wrote to memory of 1684	828	rundll32.exe	31
PID 828 wrote to memory of 1884	828	rundll32.exe	33
PID 828 wrote to memory of 1884	828	rundll32.exe	33
PID 828 wrote to memory of 1884	828	rundll32.exe	33
PID 828 wrote to memory of 1884	828	rundll32.exe	33
PID 828 wrote to memory of 2428	828	rundll32.exe	34
PID 828 wrote to memory of 2428	828	rundll32.exe	34
PID 828 wrote to memory of 2428	828	rundll32.exe	34
PID 828 wrote to memory of 2428	828	rundll32.exe	34
PID 828 wrote to memory of 1672	828	rundll32.exe	36
PID 828 wrote to memory of 1672	828	rundll32.exe	36
PID 828 wrote to memory of 1672	828	rundll32.exe	36
PID 828 wrote to memory of 1672	828	rundll32.exe	36
PID 828 wrote to memory of 492	828	rundll32.exe	38
PID 828 wrote to memory of 492	828	rundll32.exe	38
PID 828 wrote to memory of 492	828	rundll32.exe	38
PID 828 wrote to memory of 492	828	rundll32.exe	38
PID 828 wrote to memory of 2712	828	rundll32.exe	40
PID 828 wrote to memory of 2712	828	rundll32.exe	40
PID 828 wrote to memory of 2712	828	rundll32.exe	40
PID 828 wrote to memory of 2712	828	rundll32.exe	40
PID 828 wrote to memory of 2820	828	rundll32.exe	42
PID 828 wrote to memory of 2820	828	rundll32.exe	42
PID 828 wrote to memory of 2820	828	rundll32.exe	42
PID 828 wrote to memory of 2820	828	rundll32.exe	42
PID 828 wrote to memory of 2236	828	rundll32.exe	44
PID 828 wrote to memory of 2236	828	rundll32.exe	44
PID 828 wrote to memory of 2236	828	rundll32.exe	44
PID 828 wrote to memory of 2236	828	rundll32.exe	44
PID 828 wrote to memory of 2352	828	rundll32.exe	46
PID 828 wrote to memory of 2352	828	rundll32.exe	46
PID 828 wrote to memory of 2352	828	rundll32.exe	46
PID 828 wrote to memory of 2352	828	rundll32.exe	46
PID 828 wrote to memory of 1104	828	rundll32.exe	50
PID 828 wrote to memory of 1104	828	rundll32.exe	50
PID 828 wrote to memory of 1104	828	rundll32.exe	50
PID 828 wrote to memory of 1104	828	rundll32.exe	50

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8bdd484400f707cb401b4d354039dc08b4d5603f75799a1374100c1bfb7d031bN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8bdd484400f707cb401b4d354039dc08b4d5603f75799a1374100c1bfb7d031bN.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:828
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1684
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 55-b3-b0-69-d3-f3
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1884
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 d0-5f-ac-55-97-e1
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2428
- - C:\Windows\SysWOW64\arp.exe
    arp -s 136.243.76.21 b4-64-0c-2e-06-d0
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1672
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 a0-cc-7e-7d-41-2b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:492
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 9d-ee-c8-61-3a-da
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2712
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 0b-4a-50-87-39-9a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2820
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 4e-cd-e0-6a-46-ad
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2236
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 42-83-e4-17-17-61
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2352
- - C:\Windows\SysWOW64\arp.exe
    arp -d
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1104

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

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/492-17-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/492-8-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/828-39-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/828-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/828-28-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/828-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/828-41-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/828-33-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1104-30-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1104-32-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1672-6-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1672-16-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1684-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1684-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1884-5-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1884-22-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2236-10-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2236-21-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2352-25-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2352-9-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2428-13-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2428-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2712-18-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2712-7-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2820-26-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2820-11-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download