0e28b97dc1ae0e9af704ff2fa7761c8c35b5b76f136fe14883e84906ed1304ed

Analysis

max time kernel
144s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
18/06/2021, 06:49

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General

Target
61310ba96c1aaff280a5cee3bdcc264e.exe
Size 1.1MB
Sample210618-vreddvts62
SHA256 0e28b97dc1ae0e9af704ff2fa7761c8c35b5b76f136fe14883e84906ed1304ed
MD5 61310ba96c1aaff280a5cee3bdcc264e
SHA1 a990fa175431f495085dca849b62aec7ea71f3a7
SHA512 8feff5945411ddd7c1390ba2d007a8a01af39d5f59a90d0e5139bc908721ae303aa828227ff8c6146969108963675613806336146194dfcd96317c8189f23d17
MD5 SHA1 SHA512

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
12	2572	rundll32.exe
15	2196	rundll32.exe

Loads dropped DLL 3 IoCs

pid	Process
2572	rundll32.exe
2196	rundll32.exe
2196	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 2196 set thread context of 3116	2196	rundll32.exe	81

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\lauvhfdchyoek\jhakldcgpv.tmp	rundll32.exe
File created	C:\PROGRA~3\lauvhfdchyoek\Sfnth.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 22 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	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\1\Identifier	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\Component Information	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	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\0\~MHz	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\Configuration Data	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier	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\ProcessorNameString	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform Specific Field 1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	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\6B17AD443EC42CFDAB303E6122592B6A69890E56	rundll32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\6B17AD443EC42CFDAB303E6122592B6A69890E56\Blob = 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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
2196	rundll32.exe
1908	powershell.exe
1908	powershell.exe
1908	powershell.exe
2196	rundll32.exe
2196	rundll32.exe
3268	powershell.exe
3268	powershell.exe
3268	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2196	rundll32.exe
Token: SeDebugPrivilege	1908	powershell.exe
Token: SeDebugPrivilege	3268	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2196	rundll32.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 2572	3156	61310ba96c1aaff280a5cee3bdcc264e.exe	78
PID 3156 wrote to memory of 2572	3156	61310ba96c1aaff280a5cee3bdcc264e.exe	78
PID 3156 wrote to memory of 2572	3156	61310ba96c1aaff280a5cee3bdcc264e.exe	78
PID 2572 wrote to memory of 2196	2572	rundll32.exe	80
PID 2572 wrote to memory of 2196	2572	rundll32.exe	80
PID 2572 wrote to memory of 2196	2572	rundll32.exe	80
PID 2196 wrote to memory of 3116	2196	rundll32.exe	81
PID 2196 wrote to memory of 3116	2196	rundll32.exe	81
PID 2196 wrote to memory of 3116	2196	rundll32.exe	81
PID 2196 wrote to memory of 1908	2196	rundll32.exe	82
PID 2196 wrote to memory of 1908	2196	rundll32.exe	82
PID 2196 wrote to memory of 1908	2196	rundll32.exe	82
PID 2196 wrote to memory of 3268	2196	rundll32.exe	85
PID 2196 wrote to memory of 3268	2196	rundll32.exe	85
PID 2196 wrote to memory of 3268	2196	rundll32.exe	85
PID 3268 wrote to memory of 3736	3268	powershell.exe	87
PID 3268 wrote to memory of 3736	3268	powershell.exe	87
PID 3268 wrote to memory of 3736	3268	powershell.exe	87
PID 2196 wrote to memory of 2128	2196	rundll32.exe	88
PID 2196 wrote to memory of 2128	2196	rundll32.exe	88
PID 2196 wrote to memory of 2128	2196	rundll32.exe	88
PID 2196 wrote to memory of 2344	2196	rundll32.exe	90
PID 2196 wrote to memory of 2344	2196	rundll32.exe	90
PID 2196 wrote to memory of 2344	2196	rundll32.exe	90

C:\Users\Admin\AppData\Local\Temp\61310ba96c1aaff280a5cee3bdcc264e.exe
"C:\Users\Admin\AppData\Local\Temp\61310ba96c1aaff280a5cee3bdcc264e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3156
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\61310B~1.TMP,S C:\Users\Admin\AppData\Local\Temp\61310B~1.EXE
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe C:\PROGRA~3\LAUVHF~1\JHAKLD~1.TMP,OiUVNQ== C:\Users\Admin\AppData\Local\Temp\61310B~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:2196
  - - C:\Windows\system32\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 31801
      4⤵
      PID:3116
  - - 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\tmp11F2.tmp.ps1"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1908
  - - 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\tmp22EC.tmp.ps1"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3268
    - - C:\Windows\SysWOW64\nslookup.exe
        
        "C:\Windows\system32\nslookup.exe" -type=any localhost
        5⤵
        
        PID:3736
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
      4⤵
      PID:2128
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
      4⤵
      PID:2344

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/1908-147-0x0000000007A90000-0x0000000007A91000-memory.dmp

Download

memory/1908-158-0x0000000008ED0000-0x0000000008ED1000-memory.dmp

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memory/1908-140-0x0000000004650000-0x0000000004651000-memory.dmp

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memory/1908-141-0x0000000007130000-0x0000000007131000-memory.dmp

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memory/1908-142-0x00000000070D0000-0x00000000070D1000-memory.dmp

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memory/1908-143-0x00000000077D0000-0x00000000077D1000-memory.dmp

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memory/1908-144-0x0000000007A20000-0x0000000007A21000-memory.dmp

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memory/1908-146-0x0000000004702000-0x0000000004703000-memory.dmp

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memory/1908-145-0x0000000004700000-0x0000000004701000-memory.dmp

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memory/1908-174-0x0000000004703000-0x0000000004704000-memory.dmp

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memory/1908-148-0x00000000078A0000-0x00000000078A1000-memory.dmp

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memory/1908-149-0x0000000008240000-0x0000000008241000-memory.dmp

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memory/1908-150-0x00000000080F0000-0x00000000080F1000-memory.dmp

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memory/1908-159-0x0000000006CE0000-0x0000000006CE1000-memory.dmp

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memory/1908-152-0x0000000008200000-0x0000000008201000-memory.dmp

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memory/1908-157-0x0000000009740000-0x0000000009741000-memory.dmp

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memory/2196-134-0x0000000005AC0000-0x0000000005AC1000-memory.dmp

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memory/3116-135-0x00000000002E0000-0x0000000000480000-memory.dmp

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memory/3116-136-0x00000254675A0000-0x0000025467751000-memory.dmp

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memory/3156-118-0x0000000000400000-0x00000000009B6000-memory.dmp

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memory/3156-117-0x0000000002870000-0x000000000295D000-memory.dmp

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memory/3268-171-0x00000000083C0000-0x00000000083C1000-memory.dmp

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memory/3268-175-0x0000000008C90000-0x0000000008C91000-memory.dmp

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memory/3268-177-0x0000000007402000-0x0000000007403000-memory.dmp

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memory/3268-176-0x0000000007400000-0x0000000007401000-memory.dmp

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memory/3268-190-0x0000000007403000-0x0000000007404000-memory.dmp

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