9460876404af1e8aed0eaec4cb29b37631db3c9038d5dd2e6e2fdb3e60a8d0e9

Analysis

max time kernel
88s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 20:55

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General

Target

VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
Size

163KB
MD5

911e66524f9a5cd74310756c975ce7cf
SHA1

560e3441ba41ba22652d8200ce57f17a9e1ec5c4
SHA256

9460876404af1e8aed0eaec4cb29b37631db3c9038d5dd2e6e2fdb3e60a8d0e9
SHA512

a92aff4f1095b67610f854e3f8be6fe11679ae0e38a8c0008d2fe493a05f1a613efb418bd8c42e36faf9498d8ecd15dc2f8424790ad5407c44fc184c996efbb8
SSDEEP

3072:KswLeUpdrYpctTXSERLK3pgotbLmMGWGLxsYrVd3ZephYrWttlUDzP:zwLjdMCtfRu5/tbLQrXpahHtjk

Score

10^/10

evasion spyware stealer

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 6 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	surv86.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\Debug\surv86.exe = "C:\\Windows\\Debug\\surv86.exe:*:Enabled:KL"	surv86.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\VirusShare_911e66524f9a5cd74310756c975ce7cf.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VirusShare_911e66524f9a5cd74310756c975ce7cf.exe:*:Enabled:KL"	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe

Detects Windows executables referencing non-Windows User-Agents 12 IoCs

resource	yara_rule
behavioral2/memory/1216-4-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/1216-2-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/1216-6-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/1216-9-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/1216-11-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/1216-41-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/1216-40-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/1216-50-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/1216-46-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/1900-59-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/1900-62-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/1900-63-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 12 IoCs

resource	yara_rule
behavioral2/memory/1216-4-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral2/memory/1216-2-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral2/memory/1216-6-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral2/memory/1216-9-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral2/memory/1216-11-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral2/memory/1216-41-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral2/memory/1216-40-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral2/memory/1216-50-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral2/memory/1216-46-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral2/memory/1900-59-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral2/memory/1900-62-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral2/memory/1900-63-0x0000000000400000-0x0000000000528000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe

Executes dropped EXE 2 IoCs

pid	Process
2260	surv86.exe
1900	surv86.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4892 set thread context of 1216	4892	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	91
PID 2260 set thread context of 1900	2260	surv86.exe	98

Drops file in Windows directory 8 IoCs

description	ioc	Process
File created	C:\Windows\Debug\bc	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
File opened for modification	C:\Windows\Debug\bc	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
File created	C:\Windows\Debug\surv86.exe	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
File opened for modification	C:\Windows\Debug\surv86.exe	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
File created	C:\Windows\Debug\result.dark	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
File opened for modification	C:\Windows\Debug\result.dark	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
File created	C:\Windows\Debug\bc	surv86.exe
File opened for modification	C:\Windows\Debug\bc	surv86.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
916	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1216	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
1216	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
1216	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
1216	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
1216	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
1216	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
1216	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
1216	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
1216	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
1216	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 1216	4892	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	91
PID 4892 wrote to memory of 1216	4892	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	91
PID 4892 wrote to memory of 1216	4892	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	91
PID 4892 wrote to memory of 1216	4892	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	91
PID 4892 wrote to memory of 1216	4892	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	91
PID 4892 wrote to memory of 1216	4892	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	91
PID 4892 wrote to memory of 1216	4892	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	91
PID 4892 wrote to memory of 1216	4892	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	91
PID 4892 wrote to memory of 1216	4892	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	91
PID 4892 wrote to memory of 1216	4892	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	91
PID 4892 wrote to memory of 1216	4892	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	91
PID 4892 wrote to memory of 1216	4892	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	91
PID 4892 wrote to memory of 1216	4892	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	91
PID 1216 wrote to memory of 916	1216	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	93
PID 1216 wrote to memory of 916	1216	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	93
PID 1216 wrote to memory of 916	1216	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	93
PID 1216 wrote to memory of 2260	1216	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	96
PID 1216 wrote to memory of 2260	1216	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	96
PID 1216 wrote to memory of 2260	1216	VirusShare_911e66524f9a5cd74310756c975ce7cf.exe	96
PID 2260 wrote to memory of 1900	2260	surv86.exe	98
PID 2260 wrote to memory of 1900	2260	surv86.exe	98
PID 2260 wrote to memory of 1900	2260	surv86.exe	98
PID 2260 wrote to memory of 1900	2260	surv86.exe	98
PID 2260 wrote to memory of 1900	2260	surv86.exe	98
PID 2260 wrote to memory of 1900	2260	surv86.exe	98
PID 2260 wrote to memory of 1900	2260	surv86.exe	98
PID 2260 wrote to memory of 1900	2260	surv86.exe	98
PID 2260 wrote to memory of 1900	2260	surv86.exe	98
PID 2260 wrote to memory of 1900	2260	surv86.exe	98
PID 2260 wrote to memory of 1900	2260	surv86.exe	98
PID 2260 wrote to memory of 1900	2260	surv86.exe	98
PID 2260 wrote to memory of 1900	2260	surv86.exe	98

C:\Users\Admin\AppData\Local\Temp\VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
"C:\Users\Admin\AppData\Local\Temp\VirusShare_911e66524f9a5cd74310756c975ce7cf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Users\Admin\AppData\Local\Temp\VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
  C:\Users\Admin\AppData\Local\Temp\VirusShare_911e66524f9a5cd74310756c975ce7cf.exe
  2⤵
  - Modifies firewall policy service
  - Checks computer location settings
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1216
- - C:\Windows\SysWOW64\sc.exe
    sc delete 132373
    3⤵
    - Launches sc.exe
    PID:916
- - C:\Windows\Debug\surv86.exe
    "C:\Windows\Debug\surv86.exe" /start
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2260
  - - C:\Windows\Debug\surv86.exe
      C:\Windows\Debug\surv86.exe
      4⤵
      Modifies firewall policy service
      Executes dropped EXE
      Drops file in Windows directory
      PID:1900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Windows\debug\surv86.exe

Filesize
163KB

MD5
911e66524f9a5cd74310756c975ce7cf

SHA1
560e3441ba41ba22652d8200ce57f17a9e1ec5c4

SHA256
9460876404af1e8aed0eaec4cb29b37631db3c9038d5dd2e6e2fdb3e60a8d0e9

SHA512
a92aff4f1095b67610f854e3f8be6fe11679ae0e38a8c0008d2fe493a05f1a613efb418bd8c42e36faf9498d8ecd15dc2f8424790ad5407c44fc184c996efbb8

Download Submit
memory/1216-41-0x0000000000400000-0x0000000000528000-memory.dmp

Filesize
1.2MB

Download
memory/1216-6-0x0000000000400000-0x0000000000528000-memory.dmp

Filesize
1.2MB

Download
memory/1216-9-0x0000000000400000-0x0000000000528000-memory.dmp

Filesize
1.2MB

Download
memory/1216-40-0x0000000000400000-0x0000000000528000-memory.dmp

Filesize
1.2MB

Download
memory/1216-11-0x0000000000400000-0x0000000000528000-memory.dmp

Filesize
1.2MB

Download
memory/1216-2-0x0000000000400000-0x0000000000528000-memory.dmp

Filesize
1.2MB

Download
memory/1216-46-0x0000000000400000-0x0000000000528000-memory.dmp

Filesize
1.2MB

Download
memory/1216-4-0x0000000000400000-0x0000000000528000-memory.dmp

Filesize
1.2MB

Download
memory/1216-50-0x0000000000400000-0x0000000000528000-memory.dmp

Filesize
1.2MB

Download
memory/1900-62-0x0000000000400000-0x0000000000528000-memory.dmp

Filesize
1.2MB

Download
memory/1900-63-0x0000000000400000-0x0000000000528000-memory.dmp

Filesize
1.2MB

Download
memory/1900-59-0x0000000000400000-0x0000000000528000-memory.dmp

Filesize
1.2MB

Download
memory/2260-58-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4892-5-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4892-1-0x0000000000580000-0x000000000058C000-memory.dmp

Filesize
48KB

Download