11da00c279cb478e78cdb9be2a78571ac8365f7ffc2b5dcfff0ec88a179044c1

Analysis

max time kernel
31s
max time network
142s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
28-09-2024 06:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

VC_redist.x64.exe
Size

24.2MB
MD5

1d545507009cc4ec7409c1bc6e93b17b
SHA1

84c61fadf8cd38016fb7632969b3ace9e54b763a
SHA256

3642e3f95d50cc193e4b5a0b0ffbf7fe2c08801517758b4c8aeb7105a091208a
SHA512

5935b69f5138ac3fbc33813c74da853269ba079f910936aefa95e230c6092b92f6225bffb594e5dd35ff29bf260e4b35f91adede90fdf5f062030d8666fd0104
SSDEEP

786432:tSp+Ty2SfUfnbDDko5dFMYqlQbgAVLSElbmucMuZZxs6Sf:4p+Ty2SfWnHDk8FjVbfzPTq4

Score

4^/10

discovery

Malware Config

Signatures

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Executes dropped EXE 1 IoCs

pid	Process
1128	VC_redist.x64.exe

Loads dropped DLL 1 IoCs

pid	Process
1128	VC_redist.x64.exe

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	VC_redist.x64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VC_redist.x64.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 1128	1320	VC_redist.x64.exe	78
PID 1320 wrote to memory of 1128	1320	VC_redist.x64.exe	78
PID 1320 wrote to memory of 1128	1320	VC_redist.x64.exe	78

C:\Users\Admin\AppData\Local\Temp\VC_redist.x64.exe
"C:\Users\Admin\AppData\Local\Temp\VC_redist.x64.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Windows\Temp\{8161286B-BB18-4E80-A342-49A2F7FA4EB8}\.cr\VC_redist.x64.exe
  "C:\Windows\Temp\{8161286B-BB18-4E80-A342-49A2F7FA4EB8}\.cr\VC_redist.x64.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\VC_redist.x64.exe" -burn.filehandle.attached=564 -burn.filehandle.self=684
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\Temp\{55D2A8C3-9C3B-4BB1-AF22-6029E97D5F73}\.ba\logo.png

Filesize
1KB

MD5
d6bd210f227442b3362493d046cea233

SHA1
ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

SHA256
335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

SHA512
464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

Download Submit
C:\Windows\Temp\{55D2A8C3-9C3B-4BB1-AF22-6029E97D5F73}\.ba\wixstdba.dll

Filesize
191KB

MD5
eab9caf4277829abdf6223ec1efa0edd

SHA1
74862ecf349a9bedd32699f2a7a4e00b4727543d

SHA256
a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

SHA512
45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2

Download Submit
C:\Windows\Temp\{8161286B-BB18-4E80-A342-49A2F7FA4EB8}\.cr\VC_redist.x64.exe

Filesize
635KB

MD5
ae0540106cfd901b091d3d241e5cb4b0

SHA1
97f93b6e00a5069155a52aa5551e381b6b4221eb

SHA256
8cd998a0318f07a27f78b75edb19479f44273590e300629eff237d47643c496c

SHA512
29bb486bfdd541ba6aed7a2543ff0eb66865af737a8fb79484fb77cb412c3b357c71c16addf232c759d3c20c5e18128df43c68d1cba23f1c363fd9e0b7188177

Download Submit