7a1ba979979c1fd33903701c3c32fb4d2054121177c572c7d3f26ae58c2f0cce

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-09-2024 05:55

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General

Target

7a1ba979979c1fd33903701c3c32fb4d2054121177c572c7d3f26ae58c2f0cce.dll
Size

13.1MB
MD5

941f0ecf2edfd6477f5586ca6a68a7df
SHA1

ab6f650fc59c5c15bfca5e9c6b6dd7b75eb8a8f4
SHA256

7a1ba979979c1fd33903701c3c32fb4d2054121177c572c7d3f26ae58c2f0cce
SHA512

9d02a28f5eb4629d9c18212a69d7d96797ce9b1d9e9d15fdd4d303b7865322cfa1c96986ca7431ce302f197549cb35425da2b8febbb3b34525fccfbc503083a7
SSDEEP

393216:HgQ46K5SI3KB+VOME4oHo86BoQ5BY+jZoAuNY26Y:AQ4vSaKBbtb6ex+jn26Y

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2980-21-0x0000000002E80000-0x0000000002E8B000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32.exe.txt	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2980	rundll32.exe
2980	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2980	rundll32.exe
2980	rundll32.exe
2980	rundll32.exe
2980	rundll32.exe
2980	rundll32.exe
2980	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3676 wrote to memory of 2980	3676	rundll32.exe	83
PID 3676 wrote to memory of 2980	3676	rundll32.exe	83
PID 3676 wrote to memory of 2980	3676	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a1ba979979c1fd33903701c3c32fb4d2054121177c572c7d3f26ae58c2f0cce.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3676
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a1ba979979c1fd33903701c3c32fb4d2054121177c572c7d3f26ae58c2f0cce.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2980-0-0x00000000104D7000-0x0000000010BDC000-memory.dmp

Filesize
7.0MB

Download
memory/2980-3-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/2980-2-0x00000000029D0000-0x00000000029D1000-memory.dmp

Filesize
4KB

Download
memory/2980-1-0x00000000013A0000-0x00000000013A1000-memory.dmp

Filesize
4KB

Download
memory/2980-8-0x0000000002A50000-0x0000000002A51000-memory.dmp

Filesize
4KB

Download
memory/2980-7-0x0000000002A40000-0x0000000002A41000-memory.dmp

Filesize
4KB

Download
memory/2980-6-0x0000000002A30000-0x0000000002A31000-memory.dmp

Filesize
4KB

Download
memory/2980-5-0x0000000002A20000-0x0000000002A21000-memory.dmp

Filesize
4KB

Download
memory/2980-4-0x0000000002A10000-0x0000000002A11000-memory.dmp

Filesize
4KB

Download
memory/2980-11-0x0000000010000000-0x00000000118F9000-memory.dmp

Filesize
25.0MB

Download
memory/2980-9-0x0000000010000000-0x00000000118F9000-memory.dmp

Filesize
25.0MB

Download
memory/2980-21-0x0000000002E80000-0x0000000002E8B000-memory.dmp

Filesize
44KB

Download
memory/2980-17-0x0000000002D90000-0x0000000002DA7000-memory.dmp

Filesize
92KB

Download
memory/2980-13-0x0000000002EB0000-0x000000000307A000-memory.dmp

Filesize
1.8MB

Download
memory/2980-23-0x0000000010000000-0x00000000118F9000-memory.dmp

Filesize
25.0MB

Download
memory/2980-24-0x00000000104D7000-0x0000000010BDC000-memory.dmp

Filesize
7.0MB

Download
memory/2980-25-0x0000000010000000-0x00000000118F9000-memory.dmp

Filesize
25.0MB

Download