1610897387d874a96a5c96ae3f5a9322014c6362ffbf89a9c9db6deb0a7dd985

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 00:49

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General

Target

1610897387d874a96a5c96ae3f5a9322014c6362ffbf89a9c9db6deb0a7dd985N.dll
Size

80KB
MD5

12a8ed62d6b0d857681c5ff99c112620
SHA1

382a3420541a66ea09a209bc0ba2ac9303f5ad65
SHA256

1610897387d874a96a5c96ae3f5a9322014c6362ffbf89a9c9db6deb0a7dd985
SHA512

0c54cefcddf402cd7e1ff55c1a26b003e68c89c21621182f5700e0c435a7a2d3f4753712330d1d11b9fd3bb32918a2bf6a77f6091c1a2b46fcedc0fb2863e462
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEdXCQSUsS:5dbwovEVyqgoZmZXWfIdQdRaefPkXCQb

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
5	2904	rundll32.exe
8	2904	rundll32.exe
9	2904	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
2912	arp.exe
2916	arp.exe
316	arp.exe
2608	arp.exe
2632	arp.exe
2716	arp.exe
2756	arp.exe
2696	arp.exe
2920	arp.exe

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2904-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2904-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2716-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2716-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2916-6-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2912-5-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2608-17-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2756-25-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2696-26-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/316-24-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2920-19-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2916-15-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2632-21-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2632-11-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/316-10-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2756-9-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2608-7-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2912-14-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2920-8-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2904-29-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2760-31-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2904-33-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2904-40-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2904-41-0x0000000010000000-0x0000000010033000-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	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

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2904	rundll32.exe
2904	rundll32.exe
2904	rundll32.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
476	Process not Found
476	Process not Found

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	rundll32.exe
Token: SeDebugPrivilege	2916	arp.exe
Token: SeDebugPrivilege	2912	arp.exe
Token: SeDebugPrivilege	2608	arp.exe
Token: SeDebugPrivilege	2920	arp.exe
Token: SeDebugPrivilege	316	arp.exe
Token: SeDebugPrivilege	2756	arp.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 2904	2852	rundll32.exe	31
PID 2852 wrote to memory of 2904	2852	rundll32.exe	31
PID 2852 wrote to memory of 2904	2852	rundll32.exe	31
PID 2852 wrote to memory of 2904	2852	rundll32.exe	31
PID 2852 wrote to memory of 2904	2852	rundll32.exe	31
PID 2852 wrote to memory of 2904	2852	rundll32.exe	31
PID 2852 wrote to memory of 2904	2852	rundll32.exe	31
PID 2904 wrote to memory of 2716	2904	rundll32.exe	32
PID 2904 wrote to memory of 2716	2904	rundll32.exe	32
PID 2904 wrote to memory of 2716	2904	rundll32.exe	32
PID 2904 wrote to memory of 2716	2904	rundll32.exe	32
PID 2904 wrote to memory of 2912	2904	rundll32.exe	34
PID 2904 wrote to memory of 2912	2904	rundll32.exe	34
PID 2904 wrote to memory of 2912	2904	rundll32.exe	34
PID 2904 wrote to memory of 2912	2904	rundll32.exe	34
PID 2904 wrote to memory of 2916	2904	rundll32.exe	35
PID 2904 wrote to memory of 2916	2904	rundll32.exe	35
PID 2904 wrote to memory of 2916	2904	rundll32.exe	35
PID 2904 wrote to memory of 2916	2904	rundll32.exe	35
PID 2904 wrote to memory of 2920	2904	rundll32.exe	36
PID 2904 wrote to memory of 2920	2904	rundll32.exe	36
PID 2904 wrote to memory of 2920	2904	rundll32.exe	36
PID 2904 wrote to memory of 2920	2904	rundll32.exe	36
PID 2904 wrote to memory of 2608	2904	rundll32.exe	37
PID 2904 wrote to memory of 2608	2904	rundll32.exe	37
PID 2904 wrote to memory of 2608	2904	rundll32.exe	37
PID 2904 wrote to memory of 2608	2904	rundll32.exe	37
PID 2904 wrote to memory of 316	2904	rundll32.exe	38
PID 2904 wrote to memory of 316	2904	rundll32.exe	38
PID 2904 wrote to memory of 316	2904	rundll32.exe	38
PID 2904 wrote to memory of 316	2904	rundll32.exe	38
PID 2904 wrote to memory of 2756	2904	rundll32.exe	40
PID 2904 wrote to memory of 2756	2904	rundll32.exe	40
PID 2904 wrote to memory of 2756	2904	rundll32.exe	40
PID 2904 wrote to memory of 2756	2904	rundll32.exe	40
PID 2904 wrote to memory of 2632	2904	rundll32.exe	42
PID 2904 wrote to memory of 2632	2904	rundll32.exe	42
PID 2904 wrote to memory of 2632	2904	rundll32.exe	42
PID 2904 wrote to memory of 2632	2904	rundll32.exe	42
PID 2904 wrote to memory of 2696	2904	rundll32.exe	43
PID 2904 wrote to memory of 2696	2904	rundll32.exe	43
PID 2904 wrote to memory of 2696	2904	rundll32.exe	43
PID 2904 wrote to memory of 2696	2904	rundll32.exe	43
PID 2904 wrote to memory of 2760	2904	rundll32.exe	50
PID 2904 wrote to memory of 2760	2904	rundll32.exe	50
PID 2904 wrote to memory of 2760	2904	rundll32.exe	50
PID 2904 wrote to memory of 2760	2904	rundll32.exe	50

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1610897387d874a96a5c96ae3f5a9322014c6362ffbf89a9c9db6deb0a7dd985N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1610897387d874a96a5c96ae3f5a9322014c6362ffbf89a9c9db6deb0a7dd985N.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:2904
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2716
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 c6-d9-78-31-d1-4d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2912
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 48-98-2e-67-c0-c0
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2916
- - C:\Windows\SysWOW64\arp.exe
    arp -s 136.243.76.173 91-db-cb-81-e1-dd
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2920
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 e0-3b-ff-fb-b1-b3
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2608
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 58-4c-d4-a0-6e-57
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:316
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 19-14-61-7e-f2-c7
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2756
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 a5-66-7b-d2-89-1c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2632
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 f6-5d-10-6c-ab-d5
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2696
- - C:\Windows\SysWOW64\arp.exe
    arp -d
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2760

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/316-10-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/316-24-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2608-17-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2608-7-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2632-21-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2632-11-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2696-26-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2716-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2716-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2756-25-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2756-9-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2760-31-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2904-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2904-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2904-29-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2904-33-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2904-40-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2904-41-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2912-14-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2912-5-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2916-6-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2916-15-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2920-19-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2920-8-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download