db6707dfd3c466dd3265628f922abb9908916f58ee47d9575cc45233a858e3fd

Analysis

max time kernel
128s
max time network
112s
platform
windows10_x64
resource
win10v20210408
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
14	504	rundll32.exe
16	1448	rundll32.exe

Loads dropped DLL 3 IoCs

pid	Process
504	rundll32.exe
504	rundll32.exe
1448	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 1448 set thread context of 1288	1448	rundll32.exe	80

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Bklngfpngf\kgjocbpkfku.tmp	rundll32.exe
File created	C:\PROGRA~3\Bklngfpngf\Vhxwcgzi.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 23 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\ProcessorNameString	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\Previous Update Revision	rundll32.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	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\0\Update Status	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Revision	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	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\VendorIdentifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Revision	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\Configuration Data	rundll32.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information	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\94E7D8DBDA0D4553341F2569A0336D4631FA625B	rundll32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\94E7D8DBDA0D4553341F2569A0336D4631FA625B\Blob = 03000000010000001400000094e7d8dbda0d4553341f2569a0336d4631fa625b20000000010000004602000030820242308201aba00302010202087e7c6a0d3206d585300d06092a864886f70d01010b0500304d3114301206035504030c0b476c306f62616c5369676e3120301e060355040b0c17476c6f62616c5369676e20526f6f74204341202d20523231133011060355040a0c0a476c6f62616c5369676e301e170d3139303632373130313332305a170d3233303632363130313332305a304d3114301206035504030c0b476c306f62616c5369676e3120301e060355040b0c17476c6f62616c5369676e20526f6f74204341202d20523231133011060355040a0c0a476c6f62616c5369676e30819f300d06092a864886f70d010101050003818d0030818902818100c1474ad6f762596a5f71602d7233fbdf43ed76ca69025597a1762508c3f8439c45cc4d8433f800790d787a6266171fd885a88be44e1e4809560e576f84e39143c48f4bfdc36f8a4305d7d2c7c55c864bb886d58eb5f3a65b254f3279c49cd25e4dea340470edeeff9a3670ebbbb3102ae492aba55af2fe2c3ceee17197364be90203010001a32b3029300f0603551d130101ff040530030101ff30160603551d11040f300d820b476c306f62616c5369676e300d06092a864886f70d01010b0500038181003535e5548727230ec96d4a62a75d972cedba4015b87bee6b5f8479424bb6bd5f028751e56bd0e33bc80adf4586c3119dae9393de994908bab52350a3e1f429fc675a4522c47b557448fa0c96b89998164d7fdc109d8d4e7a84a3019c5c39ef6dc8ac0d3ef765f3545b7646464423f928993774b92f7432456c55ef4f4b4d92f4	rundll32.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
1448	rundll32.exe
4012	powershell.exe
4012	powershell.exe
4012	powershell.exe
1448	rundll32.exe
1448	rundll32.exe
2976	powershell.exe
2976	powershell.exe
2976	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1448	rundll32.exe
Token: SeDebugPrivilege	4012	powershell.exe
Token: SeDebugPrivilege	2976	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1448	rundll32.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 804 wrote to memory of 504	804	b95107de7ede70408944caf2a5795044.exe	77
PID 804 wrote to memory of 504	804	b95107de7ede70408944caf2a5795044.exe	77
PID 804 wrote to memory of 504	804	b95107de7ede70408944caf2a5795044.exe	77
PID 504 wrote to memory of 1448	504	rundll32.exe	79
PID 504 wrote to memory of 1448	504	rundll32.exe	79
PID 504 wrote to memory of 1448	504	rundll32.exe	79
PID 1448 wrote to memory of 1288	1448	rundll32.exe	80
PID 1448 wrote to memory of 1288	1448	rundll32.exe	80
PID 1448 wrote to memory of 1288	1448	rundll32.exe	80
PID 1448 wrote to memory of 4012	1448	rundll32.exe	81
PID 1448 wrote to memory of 4012	1448	rundll32.exe	81
PID 1448 wrote to memory of 4012	1448	rundll32.exe	81
PID 1448 wrote to memory of 2976	1448	rundll32.exe	84
PID 1448 wrote to memory of 2976	1448	rundll32.exe	84
PID 1448 wrote to memory of 2976	1448	rundll32.exe	84
PID 2976 wrote to memory of 3572	2976	powershell.exe	86
PID 2976 wrote to memory of 3572	2976	powershell.exe	86
PID 2976 wrote to memory of 3572	2976	powershell.exe	86
PID 1448 wrote to memory of 3604	1448	rundll32.exe	87
PID 1448 wrote to memory of 3604	1448	rundll32.exe	87
PID 1448 wrote to memory of 3604	1448	rundll32.exe	87
PID 1448 wrote to memory of 3876	1448	rundll32.exe	89
PID 1448 wrote to memory of 3876	1448	rundll32.exe	89
PID 1448 wrote to memory of 3876	1448	rundll32.exe	89

C:\Users\Admin\AppData\Local\Temp\b95107de7ede70408944caf2a5795044.exe
"C:\Users\Admin\AppData\Local\Temp\b95107de7ede70408944caf2a5795044.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:804
- 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:504
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe C:\PROGRA~3\BKLNGF~1\KGJOCB~1.TMP,hyleNjlsZw== 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:1448
  - - C:\Windows\system32\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 17894
      4⤵
      PID:1288
  - - 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\tmpD3F.tmp.ps1"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4012
  - - 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\tmp33B5.tmp.ps1"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2976
    - - C:\Windows\SysWOW64\nslookup.exe
        
        "C:\Windows\system32\nslookup.exe" -type=any localhost
        5⤵
        
        PID:3572
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
      4⤵
      PID:3604
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
      4⤵
      PID:3876

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

Replay Monitor

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Downloads

memory/504-120-0x0000000000B50000-0x0000000000C90000-memory.dmp

Download

memory/804-115-0x0000000002710000-0x00000000027FD000-memory.dmp

Download

memory/804-116-0x0000000000400000-0x00000000009BE000-memory.dmp

Download

memory/1288-133-0x00000000004C0000-0x0000000000660000-memory.dmp

Download

memory/1288-136-0x000001D457910000-0x000001D457AC1000-memory.dmp

Download

memory/1448-132-0x0000000000C40000-0x0000000000C41000-memory.dmp

Download

memory/2976-178-0x0000000006952000-0x0000000006953000-memory.dmp

Download

memory/2976-176-0x0000000006950000-0x0000000006951000-memory.dmp

Download

memory/2976-175-0x0000000007AD0000-0x0000000007AD1000-memory.dmp

Download

memory/2976-190-0x0000000006953000-0x0000000006954000-memory.dmp

Download

memory/2976-172-0x0000000007780000-0x0000000007781000-memory.dmp

Download

memory/4012-146-0x00000000083D0000-0x00000000083D1000-memory.dmp

Download

memory/4012-159-0x0000000009B20000-0x0000000009B21000-memory.dmp

Download

memory/4012-158-0x0000000009880000-0x0000000009881000-memory.dmp

Download

memory/4012-162-0x0000000007463000-0x0000000007464000-memory.dmp

Download

memory/4012-157-0x000000000A2F0000-0x000000000A2F1000-memory.dmp

Download

memory/4012-152-0x0000000008C70000-0x0000000008C71000-memory.dmp

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memory/4012-150-0x0000000008B40000-0x0000000008B41000-memory.dmp

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memory/4012-149-0x0000000008C20000-0x0000000008C21000-memory.dmp

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memory/4012-148-0x0000000008240000-0x0000000008241000-memory.dmp

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memory/4012-147-0x0000000008440000-0x0000000008441000-memory.dmp

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memory/4012-145-0x0000000008180000-0x0000000008181000-memory.dmp

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memory/4012-144-0x0000000007980000-0x0000000007981000-memory.dmp

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memory/4012-143-0x0000000007462000-0x0000000007463000-memory.dmp

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memory/4012-142-0x0000000007460000-0x0000000007461000-memory.dmp

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memory/4012-141-0x0000000007AA0000-0x0000000007AA1000-memory.dmp

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memory/4012-140-0x0000000007360000-0x0000000007361000-memory.dmp

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