db6707dfd3c466dd3265628f922abb9908916f58ee47d9575cc45233a858e3fd

Analysis

max time kernel
126s
max time network
108s
platform
windows7_x64
resource
win7v20210408
submitted
26/06/2021, 08:09

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General

Target
b95107de7ede70408944caf2a5795044.exe
Size 1.1MB
Sample210626-cb4813phfa
SHA256 db6707dfd3c466dd3265628f922abb9908916f58ee47d9575cc45233a858e3fd
MD5 b95107de7ede70408944caf2a5795044
SHA1 b337066e2a3ab998c772c07294a09ece998912e8
SHA512 c0a9f51dd1f4695b4ba9fb7d9ec9cbe60936f7ffdd7a653d506567b6cb0dfacbd37509129922f074a7ad466938ee12196afc39ff2a170b94173fab2ae58fc957
MD5 SHA1 SHA512

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	1760	rundll32.exe
4	1456	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1760	rundll32.exe
1456	rundll32.exe

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
T1081
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1456 set thread context of 1300	1456	rundll32.exe	32

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Bklngfpngf\Vhxwcgzi.tmp	rundll32.exe
File created	C:\PROGRA~3\Bklngfpngf\kgjocbpkfku.tmp	rundll32.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 21 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\FeatureSet	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Component Information	rundll32.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Status	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform ID	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\290B827C28F2406A119F7DF40297226A44D5A117	rundll32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\290B827C28F2406A119F7DF40297226A44D5A117\Blob = 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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1456	rundll32.exe
1456	rundll32.exe
1456	rundll32.exe
1456	rundll32.exe
916	powershell.exe
916	powershell.exe
1456	rundll32.exe
1456	rundll32.exe
1796	powershell.exe
1796	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1456	rundll32.exe
Token: SeDebugPrivilege	916	powershell.exe
Token: SeDebugPrivilege	1796	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1456	rundll32.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 1760	1968	b95107de7ede70408944caf2a5795044.exe	29
PID 1968 wrote to memory of 1760	1968	b95107de7ede70408944caf2a5795044.exe	29
PID 1968 wrote to memory of 1760	1968	b95107de7ede70408944caf2a5795044.exe	29
PID 1968 wrote to memory of 1760	1968	b95107de7ede70408944caf2a5795044.exe	29
PID 1968 wrote to memory of 1760	1968	b95107de7ede70408944caf2a5795044.exe	29
PID 1968 wrote to memory of 1760	1968	b95107de7ede70408944caf2a5795044.exe	29
PID 1968 wrote to memory of 1760	1968	b95107de7ede70408944caf2a5795044.exe	29
PID 1760 wrote to memory of 1456	1760	rundll32.exe	30
PID 1760 wrote to memory of 1456	1760	rundll32.exe	30
PID 1760 wrote to memory of 1456	1760	rundll32.exe	30
PID 1760 wrote to memory of 1456	1760	rundll32.exe	30
PID 1760 wrote to memory of 1456	1760	rundll32.exe	30
PID 1760 wrote to memory of 1456	1760	rundll32.exe	30
PID 1760 wrote to memory of 1456	1760	rundll32.exe	30
PID 1456 wrote to memory of 1300	1456	rundll32.exe	32
PID 1456 wrote to memory of 1300	1456	rundll32.exe	32
PID 1456 wrote to memory of 1300	1456	rundll32.exe	32
PID 1456 wrote to memory of 1300	1456	rundll32.exe	32
PID 1456 wrote to memory of 1300	1456	rundll32.exe	32
PID 1456 wrote to memory of 916	1456	rundll32.exe	34
PID 1456 wrote to memory of 916	1456	rundll32.exe	34
PID 1456 wrote to memory of 916	1456	rundll32.exe	34
PID 1456 wrote to memory of 916	1456	rundll32.exe	34
PID 1456 wrote to memory of 1796	1456	rundll32.exe	37
PID 1456 wrote to memory of 1796	1456	rundll32.exe	37
PID 1456 wrote to memory of 1796	1456	rundll32.exe	37
PID 1456 wrote to memory of 1796	1456	rundll32.exe	37
PID 1796 wrote to memory of 1532	1796	powershell.exe	39
PID 1796 wrote to memory of 1532	1796	powershell.exe	39
PID 1796 wrote to memory of 1532	1796	powershell.exe	39
PID 1796 wrote to memory of 1532	1796	powershell.exe	39
PID 1456 wrote to memory of 960	1456	rundll32.exe	40
PID 1456 wrote to memory of 960	1456	rundll32.exe	40
PID 1456 wrote to memory of 960	1456	rundll32.exe	40
PID 1456 wrote to memory of 960	1456	rundll32.exe	40
PID 1456 wrote to memory of 1468	1456	rundll32.exe	42
PID 1456 wrote to memory of 1468	1456	rundll32.exe	42
PID 1456 wrote to memory of 1468	1456	rundll32.exe	42
PID 1456 wrote to memory of 1468	1456	rundll32.exe	42

C:\Users\Admin\AppData\Local\Temp\b95107de7ede70408944caf2a5795044.exe
"C:\Users\Admin\AppData\Local\Temp\b95107de7ede70408944caf2a5795044.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\B95107~1.TMP,S C:\Users\Admin\AppData\Local\Temp\B95107~1.EXE
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe C:\PROGRA~3\BKLNGF~1\KGJOCB~1.TMP,jENJUFVMN0Y= C:\Users\Admin\AppData\Local\Temp\B95107~1.TMP
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Checks processor information in registry
    - Modifies system certificate store
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1456
  - - C:\Windows\system32\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 15605
      4⤵
      PID:1300
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmpFD43.tmp.ps1"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:916
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmp209D.tmp.ps1"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1796
    - - C:\Windows\SysWOW64\nslookup.exe
        
        "C:\Windows\system32\nslookup.exe" -type=any localhost
        5⤵
        
        PID:1532
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
      4⤵
      PID:960
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
      4⤵
      PID:1468

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/916-96-0x0000000006380000-0x0000000006381000-memory.dmp

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memory/916-104-0x00000000061F0000-0x00000000061F1000-memory.dmp

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memory/916-85-0x0000000002410000-0x0000000002411000-memory.dmp

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memory/916-86-0x0000000004790000-0x0000000004791000-memory.dmp

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memory/916-83-0x00000000047F0000-0x00000000047F1000-memory.dmp

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memory/916-90-0x0000000005720000-0x0000000005721000-memory.dmp

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memory/916-95-0x0000000006130000-0x0000000006131000-memory.dmp

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memory/916-81-0x0000000001F10000-0x0000000001F11000-memory.dmp

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memory/916-97-0x000000007EF30000-0x000000007EF31000-memory.dmp

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memory/916-105-0x0000000006410000-0x0000000006411000-memory.dmp

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memory/916-84-0x00000000047F2000-0x00000000047F3000-memory.dmp

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memory/916-82-0x0000000004830000-0x0000000004831000-memory.dmp

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memory/1300-77-0x0000000000240000-0x00000000003E0000-memory.dmp

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memory/1300-78-0x0000000001F00000-0x00000000020B1000-memory.dmp

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memory/1456-71-0x0000000000990000-0x0000000000AD0000-memory.dmp

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memory/1456-76-0x0000000000200000-0x0000000000201000-memory.dmp

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memory/1760-64-0x0000000001FB0000-0x00000000020F0000-memory.dmp

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memory/1796-111-0x0000000004A40000-0x0000000004A41000-memory.dmp

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memory/1796-110-0x0000000000B10000-0x0000000000B11000-memory.dmp

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memory/1796-113-0x0000000004A02000-0x0000000004A03000-memory.dmp

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memory/1796-126-0x0000000006110000-0x0000000006111000-memory.dmp

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memory/1796-112-0x0000000004A00000-0x0000000004A01000-memory.dmp

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memory/1796-114-0x0000000002650000-0x0000000002651000-memory.dmp

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memory/1796-115-0x0000000005300000-0x0000000005301000-memory.dmp

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memory/1968-66-0x0000000000400000-0x00000000009BE000-memory.dmp

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memory/1968-65-0x0000000000B60000-0x0000000000C4D000-memory.dmp

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memory/1968-59-0x00000000767B1000-0x00000000767B3000-memory.dmp

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