dc0e23745efa53665e2c13299bb3e4b4aba7f28b992fc5f432b7a57cb271ed66

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 06:02

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General

Target

dc0e23745efa53665e2c13299bb3e4b4aba7f28b992fc5f432b7a57cb271ed66.dll
Size

80KB
MD5

5e1d0bee95b9cfbc68ea9ad33d83dd5c
SHA1

4d35b3c376b35baac236bd94e20d0ad0344654f7
SHA256

dc0e23745efa53665e2c13299bb3e4b4aba7f28b992fc5f432b7a57cb271ed66
SHA512

bbd86da8573e452ca31189bf5896db594ea0315e8d3d26bbc9ec5ee4241e0e197de174ab6a91106f004b4cd9bbc5349de04a94d33df72ed21f738b79bd6f5114
SSDEEP

1536:uIcs6msUvrh8ErMInQ+4cw9NVWfjaRkE4LEl8B60Y2lfxxHZPEX:dcs6v68Erj3w9zWf+SEFuk0/pfP6

Score

6^/10

discovery upx

Malware Config

Signatures

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
2516	arp.exe
1164	arp.exe
1752	arp.exe
2476	arp.exe
2224	arp.exe
2756	arp.exe
1072	arp.exe
1916	arp.exe
3188	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3156-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/3156-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2396	3156	WerFault.exe	82

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	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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3156	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 3156	2328	rundll32.exe	82
PID 2328 wrote to memory of 3156	2328	rundll32.exe	82
PID 2328 wrote to memory of 3156	2328	rundll32.exe	82
PID 3156 wrote to memory of 2224	3156	rundll32.exe	83
PID 3156 wrote to memory of 2224	3156	rundll32.exe	83
PID 3156 wrote to memory of 2224	3156	rundll32.exe	83
PID 3156 wrote to memory of 3188	3156	rundll32.exe	87
PID 3156 wrote to memory of 3188	3156	rundll32.exe	87
PID 3156 wrote to memory of 3188	3156	rundll32.exe	87
PID 3156 wrote to memory of 2516	3156	rundll32.exe	88
PID 3156 wrote to memory of 2516	3156	rundll32.exe	88
PID 3156 wrote to memory of 2516	3156	rundll32.exe	88
PID 3156 wrote to memory of 2476	3156	rundll32.exe	89
PID 3156 wrote to memory of 2476	3156	rundll32.exe	89
PID 3156 wrote to memory of 2476	3156	rundll32.exe	89
PID 3156 wrote to memory of 1752	3156	rundll32.exe	90
PID 3156 wrote to memory of 1752	3156	rundll32.exe	90
PID 3156 wrote to memory of 1752	3156	rundll32.exe	90
PID 3156 wrote to memory of 1916	3156	rundll32.exe	91
PID 3156 wrote to memory of 1916	3156	rundll32.exe	91
PID 3156 wrote to memory of 1916	3156	rundll32.exe	91
PID 3156 wrote to memory of 2756	3156	rundll32.exe	92
PID 3156 wrote to memory of 2756	3156	rundll32.exe	92
PID 3156 wrote to memory of 2756	3156	rundll32.exe	92
PID 3156 wrote to memory of 1072	3156	rundll32.exe	94
PID 3156 wrote to memory of 1072	3156	rundll32.exe	94
PID 3156 wrote to memory of 1072	3156	rundll32.exe	94
PID 3156 wrote to memory of 1164	3156	rundll32.exe	95
PID 3156 wrote to memory of 1164	3156	rundll32.exe	95
PID 3156 wrote to memory of 1164	3156	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc0e23745efa53665e2c13299bb3e4b4aba7f28b992fc5f432b7a57cb271ed66.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc0e23745efa53665e2c13299bb3e4b4aba7f28b992fc5f432b7a57cb271ed66.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3156
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2224
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 75-01-45-34-c1-bc
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3188
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 3c-c6-fd-3d-87-d0
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2516
- - C:\Windows\SysWOW64\arp.exe
    arp -s 136.243.69.123 86-5a-ab-c3-a5-9c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2476
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 22-1b-4e-da-64-08
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1752
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 86-89-f6-bd-44-f2
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1916
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 43-4b-95-65-a2-1d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2756
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 cd-17-34-ef-14-3e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1072
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 b4-1e-f5-ce-2e-3b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1164
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3156 -s 716
    3⤵
    - Program crash
    PID:2396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3156 -ip 3156
1⤵
PID:2360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

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Downloads

memory/3156-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3156-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download