c59b51d15b5965f27db4c5bbd21793ad6b492c8c751836ba8bd43829d791146e

Analysis

max time kernel
121s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-09-2024 12:09

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General

Target

$PLUGINSDIR/vc_redist.x86.exe
Size

13.2MB
MD5

9882a328c8414274555845fa6b542d1e
SHA1

ab4a97610b127d68c45311deabfbcd8aa7066f4b
SHA256

510fc8c2112e2bc544fb29a72191eabcc68d3a5a7468d35d7694493bc8593a79
SHA512

c08d1aa7e6e6215a0cee2793592b65668066c8c984b26675d2b8c09bc7fee21411cb3c0a905eaee7a48e7a47535fa777de21eeb07c78bca7bf3d7bb17192acf2
SSDEEP

196608:oRjgvJ2flpQcIIS/Rj7BWl+aV8t8z72BxBwBgO42BE6+2DQlMp1sHW5ZDmCCM0Xr:IgRIlptVYmfr7yBG/4pXMHsHW76CsGE

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

Processes:

vc_redist.x86.exe

pid process

2536 vc_redist.x86.exe
Loads dropped DLL 2 IoCs

Processes:

vc_redist.x86.exevc_redist.x86.exe

pid process

2376 vc_redist.x86.exe
2536 vc_redist.x86.exe

pid	process
2536	vc_redist.x86.exe

pid	process
2376	vc_redist.x86.exe
2536	vc_redist.x86.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

Processes:

vc_redist.x86.exevc_redist.x86.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vc_redist.x86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vc_redist.x86.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

vc_redist.x86.exe

description	pid	process	target process
PID 2376 wrote to memory of 2536	2376	vc_redist.x86.exe	vc_redist.x86.exe
PID 2376 wrote to memory of 2536	2376	vc_redist.x86.exe	vc_redist.x86.exe
PID 2376 wrote to memory of 2536	2376	vc_redist.x86.exe	vc_redist.x86.exe
PID 2376 wrote to memory of 2536	2376	vc_redist.x86.exe	vc_redist.x86.exe
PID 2376 wrote to memory of 2536	2376	vc_redist.x86.exe	vc_redist.x86.exe
PID 2376 wrote to memory of 2536	2376	vc_redist.x86.exe	vc_redist.x86.exe
PID 2376 wrote to memory of 2536	2376	vc_redist.x86.exe	vc_redist.x86.exe

C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\vc_redist.x86.exe
"C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\vc_redist.x86.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376

C:\Windows\Temp\{3B2BB8DC-A852-4C69-8999-42FEF6581580}\.cr\vc_redist.x86.exe
"C:\Windows\Temp\{3B2BB8DC-A852-4C69-8999-42FEF6581580}\.cr\vc_redist.x86.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\vc_redist.x86.exe" -burn.filehandle.attached=180 -burn.filehandle.self=188
2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2536

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

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Downloads

C:\Windows\Temp\{9DF56DFD-57BB-48E4-9073-E1D19EB1EAEE}\.ba\logo.png

Filesize
1KB

MD5
d6bd210f227442b3362493d046cea233

SHA1
ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

SHA256
335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

SHA512
464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

Download Submit
\Windows\Temp\{3B2BB8DC-A852-4C69-8999-42FEF6581580}\.cr\vc_redist.x86.exe

Filesize
634KB

MD5
7bd0b2d204d75012d3a9a9ce107c379e

SHA1
41edd6321965d48e11ecded3852eb32e3c13848d

SHA256
d4c6f5c74bbb45c4f33d9cb7ddce47226ea0a5ab90b8ff3f420b63a55c3f6dd2

SHA512
d85ac030ebb3ba4412e69b5693406fe87e46696ca2a926ef75b6f6438e16b0c7ed1342363098530cdceb4db8e50614f33f972f7995e4222313fcef036887d0f0

Download Submit
\Windows\Temp\{9DF56DFD-57BB-48E4-9073-E1D19EB1EAEE}\.ba\wixstdba.dll

Filesize
191KB

MD5
eab9caf4277829abdf6223ec1efa0edd

SHA1
74862ecf349a9bedd32699f2a7a4e00b4727543d

SHA256
a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

SHA512
45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2

Download Submit