6d335f02de4d26746ced3035a3568a97c035e5bbc7b37ebe767bb5925f32f07a

Resubmissions

03-11-2024 11:03

241103-m5vwpasekd 5

04-10-2024 13:45

241004-q2khbs1fjc 10

Analysis

max time kernel
147s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
04-10-2024 13:45

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General

Target

d1bc91bd44a0.exe
Size

2.0MB
MD5

3abcb3be6004e8a635837eae43b97526
SHA1

89361ec18490b2648bb4e45a3cebadfce46e1ee6
SHA256

6d335f02de4d26746ced3035a3568a97c035e5bbc7b37ebe767bb5925f32f07a
SHA512

4e4a36b3f05f3347a8e753a43677a9a1bfae681aad49d468bd50e356600650911fdfd6798f5afbd13fa9c8ede0644ff1495ab4d5f28f45e09a719967731465fd
SSDEEP

49152:kDASSX9iPo2rTRRme2Nu7l1XApC6TD1rbgoSk2ak+1b:ks/tixTTmewupSLf1rUy

Score

6^/10

discovery

Malware Config

Signatures

Looks up external IP address via web service 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	api64.ipify.org
2	ipinfo.io
3	api64.ipify.org
4	ipinfo.io

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 792 set thread context of 1348	792	d1bc91bd44a0.exe	78

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3352	792	WerFault.exe	77

System Location Discovery: System Language Discovery 1 TTPs 2 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	d1bc91bd44a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 1348	792	d1bc91bd44a0.exe	78
PID 792 wrote to memory of 1348	792	d1bc91bd44a0.exe	78
PID 792 wrote to memory of 1348	792	d1bc91bd44a0.exe	78
PID 792 wrote to memory of 1348	792	d1bc91bd44a0.exe	78
PID 792 wrote to memory of 1348	792	d1bc91bd44a0.exe	78
PID 792 wrote to memory of 1348	792	d1bc91bd44a0.exe	78
PID 792 wrote to memory of 1348	792	d1bc91bd44a0.exe	78
PID 792 wrote to memory of 1348	792	d1bc91bd44a0.exe	78
PID 792 wrote to memory of 1348	792	d1bc91bd44a0.exe	78
PID 792 wrote to memory of 1348	792	d1bc91bd44a0.exe	78

C:\Users\Admin\AppData\Local\Temp\d1bc91bd44a0.exe
"C:\Users\Admin\AppData\Local\Temp\d1bc91bd44a0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:792
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1348
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 792 -s 248
  2⤵
  - Program crash
  PID:3352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 792 -ip 792
1⤵
PID:2104

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/792-0-0x00000000009B3000-0x00000000009B4000-memory.dmp

Filesize
4KB

Download
memory/1348-1-0x0000000000400000-0x00000000005E0000-memory.dmp

Filesize
1.9MB

Download
memory/1348-2-0x0000000000400000-0x00000000005E0000-memory.dmp

Filesize
1.9MB

Download
memory/1348-3-0x0000000000400000-0x00000000005E0000-memory.dmp

Filesize
1.9MB

Download
memory/1348-4-0x0000000000400000-0x00000000005E0000-memory.dmp

Filesize
1.9MB

Download
memory/1348-5-0x0000000000400000-0x00000000005E0000-memory.dmp

Filesize
1.9MB

Download