fbd743a17a7b357824d27d4a2d225e5592f169f54c299e582c3d976afe413b06

Analysis

max time kernel
141s
max time network
142s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 06:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fbd743a17a7b357824d27d4a2d225e5592f169f54c299e582c3d976afe413b06.dll
Size

80KB
MD5

aedfd27750266a64af84e27df66c01b2
SHA1

9338667b6262d21c9cb9a7654cd6997267e1eaca
SHA256

fbd743a17a7b357824d27d4a2d225e5592f169f54c299e582c3d976afe413b06
SHA512

6d54eee4c122dcea1936f1bc524da91ddfe4b8f33d96c51aac8f934be5ea9a80a3e35d062e8e28dec59936aeaf0b8c91c2f3197463dcbfc8fdbe7cf2e9975d22
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEDvME:5dbwovEVyqgoZmZXWfIdQdRaefPM

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
4	2608	rundll32.exe
8	2608	rundll32.exe
9	2608	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
2236	arp.exe
2780	arp.exe
2848	arp.exe
1848	arp.exe
2928	arp.exe
2804	arp.exe
2756	arp.exe
2988	arp.exe
2160	arp.exe

UPX packed file 27 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2608-30-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2988-28-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2236-27-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2804-24-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2160-22-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2848-21-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2928-16-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2780-15-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1848-18-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2804-12-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2236-11-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2160-10-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2988-9-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2848-8-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1848-7-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2780-6-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2928-5-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2756-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2756-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2608-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2608-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2608-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2828-32-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2828-33-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2608-38-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2608-41-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2608-42-0x0000000010000000-0x0000000010033000-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 4 IoCs

pid	Process
2608	rundll32.exe
2608	rundll32.exe
2608	rundll32.exe
2608	rundll32.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
476	Process not Found
476	Process not Found

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	2608	rundll32.exe
Token: SeDebugPrivilege	2756	arp.exe
Token: SeDebugPrivilege	2780	arp.exe
Token: SeDebugPrivilege	2928	arp.exe
Token: SeDebugPrivilege	1848	arp.exe
Token: SeDebugPrivilege	2988	arp.exe
Token: SeDebugPrivilege	2848	arp.exe
Token: SeDebugPrivilege	2160	arp.exe
Token: SeDebugPrivilege	2804	arp.exe
Token: SeDebugPrivilege	2236	arp.exe
Token: SeDebugPrivilege	2828	arp.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2608	2124	rundll32.exe	30
PID 2124 wrote to memory of 2608	2124	rundll32.exe	30
PID 2124 wrote to memory of 2608	2124	rundll32.exe	30
PID 2124 wrote to memory of 2608	2124	rundll32.exe	30
PID 2124 wrote to memory of 2608	2124	rundll32.exe	30
PID 2124 wrote to memory of 2608	2124	rundll32.exe	30
PID 2124 wrote to memory of 2608	2124	rundll32.exe	30
PID 2608 wrote to memory of 2756	2608	rundll32.exe	31
PID 2608 wrote to memory of 2756	2608	rundll32.exe	31
PID 2608 wrote to memory of 2756	2608	rundll32.exe	31
PID 2608 wrote to memory of 2756	2608	rundll32.exe	31
PID 2608 wrote to memory of 2804	2608	rundll32.exe	33
PID 2608 wrote to memory of 2804	2608	rundll32.exe	33
PID 2608 wrote to memory of 2804	2608	rundll32.exe	33
PID 2608 wrote to memory of 2804	2608	rundll32.exe	33
PID 2608 wrote to memory of 2780	2608	rundll32.exe	34
PID 2608 wrote to memory of 2780	2608	rundll32.exe	34
PID 2608 wrote to memory of 2780	2608	rundll32.exe	34
PID 2608 wrote to memory of 2780	2608	rundll32.exe	34
PID 2608 wrote to memory of 2236	2608	rundll32.exe	35
PID 2608 wrote to memory of 2236	2608	rundll32.exe	35
PID 2608 wrote to memory of 2236	2608	rundll32.exe	35
PID 2608 wrote to memory of 2236	2608	rundll32.exe	35
PID 2608 wrote to memory of 2928	2608	rundll32.exe	36
PID 2608 wrote to memory of 2928	2608	rundll32.exe	36
PID 2608 wrote to memory of 2928	2608	rundll32.exe	36
PID 2608 wrote to memory of 2928	2608	rundll32.exe	36
PID 2608 wrote to memory of 2160	2608	rundll32.exe	37
PID 2608 wrote to memory of 2160	2608	rundll32.exe	37
PID 2608 wrote to memory of 2160	2608	rundll32.exe	37
PID 2608 wrote to memory of 2160	2608	rundll32.exe	37
PID 2608 wrote to memory of 1848	2608	rundll32.exe	38
PID 2608 wrote to memory of 1848	2608	rundll32.exe	38
PID 2608 wrote to memory of 1848	2608	rundll32.exe	38
PID 2608 wrote to memory of 1848	2608	rundll32.exe	38
PID 2608 wrote to memory of 2848	2608	rundll32.exe	41
PID 2608 wrote to memory of 2848	2608	rundll32.exe	41
PID 2608 wrote to memory of 2848	2608	rundll32.exe	41
PID 2608 wrote to memory of 2848	2608	rundll32.exe	41
PID 2608 wrote to memory of 2988	2608	rundll32.exe	44
PID 2608 wrote to memory of 2988	2608	rundll32.exe	44
PID 2608 wrote to memory of 2988	2608	rundll32.exe	44
PID 2608 wrote to memory of 2988	2608	rundll32.exe	44
PID 2608 wrote to memory of 2828	2608	rundll32.exe	49
PID 2608 wrote to memory of 2828	2608	rundll32.exe	49
PID 2608 wrote to memory of 2828	2608	rundll32.exe	49
PID 2608 wrote to memory of 2828	2608	rundll32.exe	49

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbd743a17a7b357824d27d4a2d225e5592f169f54c299e582c3d976afe413b06.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbd743a17a7b357824d27d4a2d225e5592f169f54c299e582c3d976afe413b06.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:2608
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2756
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 ea-6e-c6-e9-03-69
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2804
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 d7-13-2c-e5-22-8a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2780
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.184 05-23-99-7a-12-0e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2236
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 6f-92-a3-f2-3d-52
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2928
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 94-9c-a3-98-12-cb
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2160
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 55-4b-5c-5b-4e-6e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1848
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 f0-a4-c5-5d-a1-a4
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2848
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 ca-e4-c6-35-c6-c5
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2988
- - C:\Windows\SysWOW64\arp.exe
    arp -d
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2828

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

Loading Replay Monitor...

Downloads

memory/1848-18-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1848-7-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2160-10-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2160-22-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2236-27-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2236-11-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2608-30-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2608-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2608-38-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2608-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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

Filesize
204KB

Download
memory/2608-41-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2608-42-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2756-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2756-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2780-6-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2780-15-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2804-12-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2804-24-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2828-33-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2828-32-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2848-8-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2848-21-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2928-16-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2928-5-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2988-9-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2988-28-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download