69e3b51daeeecf38b1f349b08dc3bff0924bea32bdd7ec32ea244b57ff4e3d24

Analysis

max time kernel
114s
max time network
75s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 20:19

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General

Target

69e3b51daeeecf38b1f349b08dc3bff0924bea32bdd7ec32ea244b57ff4e3d24.dll
Size

80KB
MD5

972cf2217710bb8e472ceb2d2858120a
SHA1

72cbbd4110e745b386e7a4a7ecfb0cb74da8b439
SHA256

69e3b51daeeecf38b1f349b08dc3bff0924bea32bdd7ec32ea244b57ff4e3d24
SHA512

3ee1250309923ea4a6d81dbda53c9a6d876dd1e58e5509d33991c312bc18863f1d434af032e4ab529a760ed68259e105064ba0c4f0b260836d001cf19154f267
SSDEEP

1536:uIcs6msUvrh8ErMInQ+4cw9NVWfjaRkE4LEl8B60Y2lfxxHZPEmywZqD:dcs6v68Erj3w9zWf+SEFuk0/pfPPywZQ

Score

8^/10

discovery upx

Malware Config

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
5	620	rundll32.exe
8	620	rundll32.exe
9	620	rundll32.exe

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
2096	arp.exe
2352	arp.exe
2784	arp.exe
1656	arp.exe
2516	arp.exe
2568	arp.exe
2508	arp.exe
2564	arp.exe
3024	arp.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/620-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/620-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/620-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/620-5-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/620-6-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/620-12-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/620-14-0x0000000010000000-0x0000000010033000-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	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
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
620	rundll32.exe
620	rundll32.exe
620	rundll32.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
476	Process not Found
476	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	620	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 620	2116	rundll32.exe	30
PID 2116 wrote to memory of 620	2116	rundll32.exe	30
PID 2116 wrote to memory of 620	2116	rundll32.exe	30
PID 2116 wrote to memory of 620	2116	rundll32.exe	30
PID 2116 wrote to memory of 620	2116	rundll32.exe	30
PID 2116 wrote to memory of 620	2116	rundll32.exe	30
PID 2116 wrote to memory of 620	2116	rundll32.exe	30
PID 620 wrote to memory of 2096	620	rundll32.exe	31
PID 620 wrote to memory of 2096	620	rundll32.exe	31
PID 620 wrote to memory of 2096	620	rundll32.exe	31
PID 620 wrote to memory of 2096	620	rundll32.exe	31
PID 620 wrote to memory of 2352	620	rundll32.exe	33
PID 620 wrote to memory of 2352	620	rundll32.exe	33
PID 620 wrote to memory of 2352	620	rundll32.exe	33
PID 620 wrote to memory of 2352	620	rundll32.exe	33
PID 620 wrote to memory of 1656	620	rundll32.exe	34
PID 620 wrote to memory of 1656	620	rundll32.exe	34
PID 620 wrote to memory of 1656	620	rundll32.exe	34
PID 620 wrote to memory of 1656	620	rundll32.exe	34
PID 620 wrote to memory of 2516	620	rundll32.exe	35
PID 620 wrote to memory of 2516	620	rundll32.exe	35
PID 620 wrote to memory of 2516	620	rundll32.exe	35
PID 620 wrote to memory of 2516	620	rundll32.exe	35
PID 620 wrote to memory of 2568	620	rundll32.exe	36
PID 620 wrote to memory of 2568	620	rundll32.exe	36
PID 620 wrote to memory of 2568	620	rundll32.exe	36
PID 620 wrote to memory of 2568	620	rundll32.exe	36
PID 620 wrote to memory of 2508	620	rundll32.exe	38
PID 620 wrote to memory of 2508	620	rundll32.exe	38
PID 620 wrote to memory of 2508	620	rundll32.exe	38
PID 620 wrote to memory of 2508	620	rundll32.exe	38
PID 620 wrote to memory of 2564	620	rundll32.exe	39
PID 620 wrote to memory of 2564	620	rundll32.exe	39
PID 620 wrote to memory of 2564	620	rundll32.exe	39
PID 620 wrote to memory of 2564	620	rundll32.exe	39
PID 620 wrote to memory of 3024	620	rundll32.exe	42
PID 620 wrote to memory of 3024	620	rundll32.exe	42
PID 620 wrote to memory of 3024	620	rundll32.exe	42
PID 620 wrote to memory of 3024	620	rundll32.exe	42
PID 620 wrote to memory of 2784	620	rundll32.exe	43
PID 620 wrote to memory of 2784	620	rundll32.exe	43
PID 620 wrote to memory of 2784	620	rundll32.exe	43
PID 620 wrote to memory of 2784	620	rundll32.exe	43
PID 620 wrote to memory of 2708	620	rundll32.exe	50
PID 620 wrote to memory of 2708	620	rundll32.exe	50
PID 620 wrote to memory of 2708	620	rundll32.exe	50
PID 620 wrote to memory of 2708	620	rundll32.exe	50

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\69e3b51daeeecf38b1f349b08dc3bff0924bea32bdd7ec32ea244b57ff4e3d24.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\69e3b51daeeecf38b1f349b08dc3bff0924bea32bdd7ec32ea244b57ff4e3d24.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:620
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2096
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 33-f5-6d-7b-a6-7b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2352
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 ce-13-44-9e-ad-29
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1656
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.182 e8-95-04-c5-08-d6
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2516
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 82-a0-af-5c-a9-0f
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2568
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 9f-37-44-d6-ee-6c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2508
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 d9-d7-08-14-56-d5
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2564
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 bb-df-e6-c3-e2-36
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3024
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 48-8b-99-d1-16-00
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2784
- - C:\Windows\SysWOW64\arp.exe
    arp -d
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/620-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/620-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/620-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/620-5-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/620-6-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/620-12-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/620-14-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download