487f4dd9bdbe94a9cf1a04a8fdec19f16f86864d05d06f0511544b3ff68c850c

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16/04/2025, 23:23

250416-3dkjmsw1ds 10

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16/04/2025, 23:16

16/04/2025, 23:10

16/04/2025, 21:45

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Analysis

max time kernel
135s
max time network
143s
platform
windows11-21h2_x64
resource
win11-20250411-en
resource tags

arch:x64arch:x86image:win11-20250411-enlocale:en-usos:windows11-21h2-x64system
submitted
16/04/2025, 21:16

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General

Target

virusshare/3/VirusShare_5c8b670c503455baafbff400a446cf82.exe
Size

208KB
MD5

5c8b670c503455baafbff400a446cf82
SHA1

a3eebbc14b852f77318d9bd09117b1ef56f35ede
SHA256

22564368a2143231eb51f0ecb501d9777060fd9dd832dcc88a799520884da40c
SHA512

6f9bf4e52523c32d980ab29c63e21d29aafd358c7c2cabcca6455685e1a683f96a718efe230d76687b72ce60b24c36c541e720a2d86d490835d481cf93c12d64
SSDEEP

6144:jG3XIHrH91T+dG8tlj+ur37VW7SrBLl2mr/ruei+QE4lIVnAEsnnnnnn:jG3XorH3YGeljtr37s7SrBLrTaei+Qtz

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
6136	1636	WerFault.exe	77

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	VirusShare_5c8b670c503455baafbff400a446cf82.exe

Modifies registry class 4 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2316063146-1984817004-4437738-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2316063146-1984817004-4437738-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2316063146-1984817004-4437738-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:"	BackgroundTransferHost.exe
Key created	\REGISTRY\USER\S-1-5-21-2316063146-1984817004-4437738-1000_Classes\Local Settings\MuiCache	BackgroundTransferHost.exe

C:\Users\Admin\AppData\Local\Temp\virusshare\3\VirusShare_5c8b670c503455baafbff400a446cf82.exe
"C:\Users\Admin\AppData\Local\Temp\virusshare\3\VirusShare_5c8b670c503455baafbff400a446cf82.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1636
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 232
  2⤵
  - Program crash
  PID:6136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1636 -ip 1636
1⤵
PID:2820

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
1⤵
- Modifies registry class
PID:6096

Network

MITRE ATT&CK Enterprise v16

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

C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\BackgroundTransferApi\87fd8082-0021-489d-a9bd-bc6215e2b8c8.down_data

Filesize
555KB

MD5
5683c0028832cae4ef93ca39c8ac5029

SHA1
248755e4e1db552e0b6f8651b04ca6d1b31a86fb

SHA256
855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e

SHA512
aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3

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