f98b508204277a79f6eafac8ffde71c4e2fa6a760ff7edba567bd2f970aafeaa

Analysis

max time kernel
127s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
22/07/2023, 08:23

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General

Target
8b108f53e1a62aa003ed47fd2d82d5d0.exe
Size 1.8MB
Sample230722-j95pxaaa67
SHA256 f98b508204277a79f6eafac8ffde71c4e2fa6a760ff7edba567bd2f970aafeaa
MD5 8b108f53e1a62aa003ed47fd2d82d5d0
SHA1 318f6d5aef52cb983b235f1ad9c3542e4f83b0a0
SHA512 d04d6a55744a5e5c452d786544d199a9cc75380cec4ebe7ef7912c53fbf8c65fd54137b9ab6fe01f583f5e29c389b316670d28a359f099cede222a41ebfb12a2
SSDEEP 49152:2fWhNaBfJXAE3J5WMLp0R3K+pq3ocFg3DTytWITwlHseTtQxp3mYQw:2fWhNaBfKEqyp0R3KshcFg3P7tlHl5eF
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

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-1-5-21-1420546310-613437930-2990200354-1000\Control Panel\International\Geo\Nation	8b108f53e1a62aa003ed47fd2d82d5d0.exe

Loads dropped DLL 3 IoCs

pid	Process
844	rundll32.exe
844	rundll32.exe
2740	rundll32.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\USER\S-1-5-21-1420546310-613437930-2990200354-1000_Classes\Local Settings	8b108f53e1a62aa003ed47fd2d82d5d0.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4580 wrote to memory of 1916	4580	8b108f53e1a62aa003ed47fd2d82d5d0.exe	86
PID 4580 wrote to memory of 1916	4580	8b108f53e1a62aa003ed47fd2d82d5d0.exe	86
PID 4580 wrote to memory of 1916	4580	8b108f53e1a62aa003ed47fd2d82d5d0.exe	86
PID 1916 wrote to memory of 844	1916	control.exe	88
PID 1916 wrote to memory of 844	1916	control.exe	88
PID 1916 wrote to memory of 844	1916	control.exe	88
PID 844 wrote to memory of 3800	844	rundll32.exe	91
PID 844 wrote to memory of 3800	844	rundll32.exe	91
PID 3800 wrote to memory of 2740	3800	RunDll32.exe	92
PID 3800 wrote to memory of 2740	3800	RunDll32.exe	92
PID 3800 wrote to memory of 2740	3800	RunDll32.exe	92

C:\Users\Admin\AppData\Local\Temp\8b108f53e1a62aa003ed47fd2d82d5d0.exe
"C:\Users\Admin\AppData\Local\Temp\8b108f53e1a62aa003ed47fd2d82d5d0.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4580
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Temp\~Rc3.CPl",
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1916
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\~Rc3.CPl",
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:844
  - - C:\Windows\system32\RunDll32.exe
      C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\~Rc3.CPl",
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3800
    - - C:\Windows\SysWOW64\rundll32.exe
        
        "C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Temp\~Rc3.CPl",
        5⤵
        Loads dropped DLL
        
        PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

~Rc3.CPl

Path C:\Users\Admin\AppData\Local\Temp\~Rc3.CPl
Size 1.3MB
SHA256 f25743b9cf3f62d714cf59ee37796b8f715ee5c63213d5116dcbf7965d80971d
MD5 b3cd099994b6766b332771c501cf0ace
SHA1 a4a3d4bf6d2c653048b0f1a9a267d356117e345b
SHA512 bf68570c3566033a37027ddab3b17a90bc6b7fda808da5038a79eccdec79bc98b76fa4d40f5622cb53eea14c4c725bf98e26f5120b85eabb79067290f0eef86c
SSDEEP 24576:0UwqoZwvkBDteLsoJJ6VTVuHPiiXMOeKw8FB3YkwcNXpJvBexi:n3YtteLsSUaxcOeKHhYVcFvs
MD5 SHA1 SHA512 SSDEEP

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~Rc3.cpl

Path C:\Users\Admin\AppData\Local\Temp\~Rc3.cpl
Size 1.3MB
SHA256 f25743b9cf3f62d714cf59ee37796b8f715ee5c63213d5116dcbf7965d80971d
MD5 b3cd099994b6766b332771c501cf0ace
SHA1 a4a3d4bf6d2c653048b0f1a9a267d356117e345b
SHA512 bf68570c3566033a37027ddab3b17a90bc6b7fda808da5038a79eccdec79bc98b76fa4d40f5622cb53eea14c4c725bf98e26f5120b85eabb79067290f0eef86c
SSDEEP 24576:0UwqoZwvkBDteLsoJJ6VTVuHPiiXMOeKw8FB3YkwcNXpJvBexi:n3YtteLsSUaxcOeKHhYVcFvs
MD5 SHA1 SHA512 SSDEEP

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~Rc3.cpl

Path C:\Users\Admin\AppData\Local\Temp\~Rc3.cpl
Size 1.3MB
SHA256 f25743b9cf3f62d714cf59ee37796b8f715ee5c63213d5116dcbf7965d80971d
MD5 b3cd099994b6766b332771c501cf0ace
SHA1 a4a3d4bf6d2c653048b0f1a9a267d356117e345b
SHA512 bf68570c3566033a37027ddab3b17a90bc6b7fda808da5038a79eccdec79bc98b76fa4d40f5622cb53eea14c4c725bf98e26f5120b85eabb79067290f0eef86c
SSDEEP 24576:0UwqoZwvkBDteLsoJJ6VTVuHPiiXMOeKw8FB3YkwcNXpJvBexi:n3YtteLsSUaxcOeKHhYVcFvs
MD5 SHA1 SHA512 SSDEEP

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~Rc3.cpl

Path C:\Users\Admin\AppData\Local\Temp\~Rc3.cpl
Size 1.3MB
SHA256 f25743b9cf3f62d714cf59ee37796b8f715ee5c63213d5116dcbf7965d80971d
MD5 b3cd099994b6766b332771c501cf0ace
SHA1 a4a3d4bf6d2c653048b0f1a9a267d356117e345b
SHA512 bf68570c3566033a37027ddab3b17a90bc6b7fda808da5038a79eccdec79bc98b76fa4d40f5622cb53eea14c4c725bf98e26f5120b85eabb79067290f0eef86c
SSDEEP 24576:0UwqoZwvkBDteLsoJJ6VTVuHPiiXMOeKw8FB3YkwcNXpJvBexi:n3YtteLsSUaxcOeKHhYVcFvs
MD5 SHA1 SHA512 SSDEEP

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~Rc3.cpl

Path C:\Users\Admin\AppData\Local\Temp\~Rc3.cpl
Size 1.3MB
SHA256 f25743b9cf3f62d714cf59ee37796b8f715ee5c63213d5116dcbf7965d80971d
MD5 b3cd099994b6766b332771c501cf0ace
SHA1 a4a3d4bf6d2c653048b0f1a9a267d356117e345b
SHA512 bf68570c3566033a37027ddab3b17a90bc6b7fda808da5038a79eccdec79bc98b76fa4d40f5622cb53eea14c4c725bf98e26f5120b85eabb79067290f0eef86c
SSDEEP 24576:0UwqoZwvkBDteLsoJJ6VTVuHPiiXMOeKw8FB3YkwcNXpJvBexi:n3YtteLsSUaxcOeKHhYVcFvs
MD5 SHA1 SHA512 SSDEEP

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memory/844-152-0x0000000002D80000-0x0000000002E66000-memory.dmp

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memory/844-155-0x0000000002D80000-0x0000000002E66000-memory.dmp

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memory/844-149-0x0000000002430000-0x0000000002572000-memory.dmp

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memory/844-150-0x0000000002C70000-0x0000000002D6F000-memory.dmp

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memory/844-151-0x0000000002D80000-0x0000000002E66000-memory.dmp

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memory/844-146-0x0000000000A40000-0x0000000000A46000-memory.dmp

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memory/844-154-0x0000000002D80000-0x0000000002E66000-memory.dmp

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memory/844-147-0x0000000002430000-0x0000000002572000-memory.dmp

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memory/844-145-0x0000000002430000-0x0000000002572000-memory.dmp

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memory/2740-157-0x00000000030F0000-0x00000000030F6000-memory.dmp

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memory/2740-158-0x0000000000400000-0x0000000000542000-memory.dmp

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memory/2740-160-0x0000000000400000-0x0000000000542000-memory.dmp

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memory/2740-161-0x0000000003230000-0x000000000332F000-memory.dmp

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memory/2740-163-0x0000000003340000-0x0000000003426000-memory.dmp

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memory/2740-165-0x0000000003340000-0x0000000003426000-memory.dmp

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memory/2740-166-0x0000000003340000-0x0000000003426000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads