0e28b97dc1ae0e9af704ff2fa7761c8c35b5b76f136fe14883e84906ed1304ed

Analysis

max time kernel
142s
max time network
78s
platform
windows7_x64
resource
win7v20210408
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
3	1648	rundll32.exe
4	1304	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1648	rundll32.exe
1304	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 1304 set thread context of 960	1304	rundll32.exe	32

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 27 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\1\Identifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Component Information	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~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\~MHz	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\0\Identifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Signature	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Signature	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\Platform ID	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Signature	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	rundll32.exe
Key enumerated	\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 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\1\VendorIdentifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\FeatureSet	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform ID	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\DB41477204D70FE5F58668E40E52F98724475B7B	rundll32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\DB41477204D70FE5F58668E40E52F98724475B7B\Blob = 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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1304	rundll32.exe
1304	rundll32.exe
1304	rundll32.exe
1304	rundll32.exe
1304	rundll32.exe
2012	powershell.exe
2012	powershell.exe
1304	rundll32.exe
1304	rundll32.exe
1072	powershell.exe
1072	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1304	rundll32.exe
Token: SeDebugPrivilege	2012	powershell.exe
Token: SeDebugPrivilege	1072	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1304	rundll32.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1648	1996	61310ba96c1aaff280a5cee3bdcc264e.exe	29
PID 1996 wrote to memory of 1648	1996	61310ba96c1aaff280a5cee3bdcc264e.exe	29
PID 1996 wrote to memory of 1648	1996	61310ba96c1aaff280a5cee3bdcc264e.exe	29
PID 1996 wrote to memory of 1648	1996	61310ba96c1aaff280a5cee3bdcc264e.exe	29
PID 1996 wrote to memory of 1648	1996	61310ba96c1aaff280a5cee3bdcc264e.exe	29
PID 1996 wrote to memory of 1648	1996	61310ba96c1aaff280a5cee3bdcc264e.exe	29
PID 1996 wrote to memory of 1648	1996	61310ba96c1aaff280a5cee3bdcc264e.exe	29
PID 1648 wrote to memory of 1304	1648	rundll32.exe	30
PID 1648 wrote to memory of 1304	1648	rundll32.exe	30
PID 1648 wrote to memory of 1304	1648	rundll32.exe	30
PID 1648 wrote to memory of 1304	1648	rundll32.exe	30
PID 1648 wrote to memory of 1304	1648	rundll32.exe	30
PID 1648 wrote to memory of 1304	1648	rundll32.exe	30
PID 1648 wrote to memory of 1304	1648	rundll32.exe	30
PID 1304 wrote to memory of 960	1304	rundll32.exe	32
PID 1304 wrote to memory of 960	1304	rundll32.exe	32
PID 1304 wrote to memory of 960	1304	rundll32.exe	32
PID 1304 wrote to memory of 960	1304	rundll32.exe	32
PID 1304 wrote to memory of 960	1304	rundll32.exe	32
PID 1304 wrote to memory of 2012	1304	rundll32.exe	34
PID 1304 wrote to memory of 2012	1304	rundll32.exe	34
PID 1304 wrote to memory of 2012	1304	rundll32.exe	34
PID 1304 wrote to memory of 2012	1304	rundll32.exe	34
PID 1304 wrote to memory of 1072	1304	rundll32.exe	37
PID 1304 wrote to memory of 1072	1304	rundll32.exe	37
PID 1304 wrote to memory of 1072	1304	rundll32.exe	37
PID 1304 wrote to memory of 1072	1304	rundll32.exe	37
PID 1072 wrote to memory of 1624	1072	powershell.exe	39
PID 1072 wrote to memory of 1624	1072	powershell.exe	39
PID 1072 wrote to memory of 1624	1072	powershell.exe	39
PID 1072 wrote to memory of 1624	1072	powershell.exe	39
PID 1304 wrote to memory of 1132	1304	rundll32.exe	40
PID 1304 wrote to memory of 1132	1304	rundll32.exe	40
PID 1304 wrote to memory of 1132	1304	rundll32.exe	40
PID 1304 wrote to memory of 1132	1304	rundll32.exe	40
PID 1304 wrote to memory of 520	1304	rundll32.exe	42
PID 1304 wrote to memory of 520	1304	rundll32.exe	42
PID 1304 wrote to memory of 520	1304	rundll32.exe	42
PID 1304 wrote to memory of 520	1304	rundll32.exe	42

C:\Users\Admin\AppData\Local\Temp\61310ba96c1aaff280a5cee3bdcc264e.exe
"C:\Users\Admin\AppData\Local\Temp\61310ba96c1aaff280a5cee3bdcc264e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- 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:1648
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe C:\PROGRA~3\LAUVHF~1\JHAKLD~1.TMP,bzM8VFNOZ0wz 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:1304
  - - C:\Windows\system32\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Windows\system32\shell32.dll,#61 15605
      4⤵
      PID:960
  - - 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\tmp7F9B.tmp.ps1"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2012
  - - 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\tmpA5A4.tmp.ps1"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1072
    - - C:\Windows\SysWOW64\nslookup.exe
        
        "C:\Windows\system32\nslookup.exe" -type=any localhost
        5⤵
        
        PID:1624
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
      4⤵
      PID:1132
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
      4⤵
      PID:520

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/960-78-0x00000000001B0000-0x0000000000350000-memory.dmp

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memory/960-79-0x0000000001D10000-0x0000000001EC1000-memory.dmp

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memory/1072-111-0x00000000024D0000-0x00000000024D1000-memory.dmp

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memory/1072-127-0x0000000006240000-0x0000000006241000-memory.dmp

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memory/1072-116-0x0000000004A10000-0x0000000004A11000-memory.dmp

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memory/1072-115-0x0000000004A72000-0x0000000004A73000-memory.dmp

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memory/1072-114-0x0000000004A70000-0x0000000004A71000-memory.dmp

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memory/1072-113-0x0000000002650000-0x0000000002651000-memory.dmp

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memory/1072-112-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

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memory/1304-72-0x0000000000960000-0x0000000000AA1000-memory.dmp

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memory/1304-77-0x0000000000720000-0x0000000000721000-memory.dmp

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memory/1648-67-0x0000000000930000-0x0000000000A71000-memory.dmp

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memory/1996-60-0x0000000002330000-0x000000000241D000-memory.dmp

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memory/1996-62-0x00000000767B1000-0x00000000767B3000-memory.dmp

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memory/1996-61-0x0000000000400000-0x00000000009B6000-memory.dmp

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memory/2012-86-0x0000000004750000-0x0000000004751000-memory.dmp

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memory/2012-97-0x0000000006230000-0x0000000006231000-memory.dmp

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memory/2012-83-0x00000000048C0000-0x00000000048C1000-memory.dmp

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memory/2012-91-0x0000000005770000-0x0000000005771000-memory.dmp

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memory/2012-82-0x00000000009D0000-0x00000000009D1000-memory.dmp

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memory/2012-104-0x0000000006310000-0x0000000006311000-memory.dmp

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memory/2012-105-0x0000000006340000-0x0000000006341000-memory.dmp

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memory/2012-106-0x000000007EF30000-0x000000007EF31000-memory.dmp

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memory/2012-85-0x0000000004882000-0x0000000004883000-memory.dmp

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memory/2012-84-0x0000000004880000-0x0000000004881000-memory.dmp

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memory/2012-96-0x00000000057D0000-0x00000000057D1000-memory.dmp

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memory/2012-87-0x0000000005240000-0x0000000005241000-memory.dmp

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