640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638

General

Target

640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe
Size

1.3MB
MD5

606c1e6ed75c18e184e93baa0156b045
SHA1

f45fbf27141a95d6f3aaabfd6d00fbce49181284
SHA256

640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638
SHA512

e85c18c1b5502d648a4d198af72271a2d6e347a777da0291fb1e972c5c5c3b03dfb814009d3777741851946df64598486c4ac259cbadb1ed3de7bb82aa7d903a
SSDEEP

24576:7rKqlGCPcJKwybUDwEZZODYmR9G+gnbkk6XRJfe3DqYO/KpLwFfngWX4VmJPakj:7rKo4ZwCOnYjVmJPac

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{BC9AB32F-A6EE-41C3-8CDC-3D434934C189}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{EF81505D-02D8-4CCC-A781-1954D9903630}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe

description	pid	process	target process
PID 2228 set thread context of 1880	2228	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe

pid	process
1880	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe
1880	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe
1880	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe
1880	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe
1880	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe

description	pid	process	target process
PID 2228 wrote to memory of 1880	2228	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe
PID 2228 wrote to memory of 1880	2228	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe
PID 2228 wrote to memory of 1880	2228	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe
PID 2228 wrote to memory of 1880	2228	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe
PID 2228 wrote to memory of 1880	2228	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe
PID 2228 wrote to memory of 1880	2228	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe
PID 2228 wrote to memory of 1880	2228	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe
PID 2228 wrote to memory of 1880	2228	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe
PID 2228 wrote to memory of 1880	2228	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe
PID 2228 wrote to memory of 1880	2228	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe	640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe

C:\Users\Admin\AppData\Local\Temp\640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe
"C:\Users\Admin\AppData\Local\Temp\640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2228

C:\Users\Admin\AppData\Local\Temp\640b0c06674df835a685c5a19e4f3dfdda890483971e4fb977838a086e1b9638.exe
2⤵
- Suspicious use of SetWindowsHookEx
PID:1880

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:400

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1880-132-0x0000000000000000-mapping.dmp

Download
memory/1880-133-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1880-134-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1880-135-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1880-136-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1880-137-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1880-138-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads