91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345

General

Target

91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe
Size

1.3MB
MD5

80fef046df90a8c62a2c6f9acf1187ee
SHA1

b214c560e00fb1814623432c72f23e36db9aa3fb
SHA256

91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345
SHA512

792b3c6bbc3e73296d70bb97aa89703e7dac7277fe2ff4c93507ffb1301c8b22f46647d789afc816535e13d3df9ae1109032f957b77b3cd8c42a26f4b7ef6ad9
SSDEEP

24576:brKqlGCPcJKwybUDwEZZODYmR9G+gnbkk6XRJfe3DqYO/KpLwFfngWX4VmJPakA:brKo4ZwCOnYjVmJPaD

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\{3A669A83-75A0-4555-9C7E-8B8C5D7192BF}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{C0561473-D8BE-4446-9E47-0C0F4F701184}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe

description	pid	process	target process
PID 1544 set thread context of 1892	1544	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.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:

91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe

pid	process
1892	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe
1892	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe
1892	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe
1892	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe
1892	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe

description	pid	process	target process
PID 1544 wrote to memory of 1892	1544	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe
PID 1544 wrote to memory of 1892	1544	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe
PID 1544 wrote to memory of 1892	1544	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe
PID 1544 wrote to memory of 1892	1544	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe
PID 1544 wrote to memory of 1892	1544	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe
PID 1544 wrote to memory of 1892	1544	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe
PID 1544 wrote to memory of 1892	1544	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe
PID 1544 wrote to memory of 1892	1544	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe
PID 1544 wrote to memory of 1892	1544	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe
PID 1544 wrote to memory of 1892	1544	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe	91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe

C:\Users\Admin\AppData\Local\Temp\91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe
"C:\Users\Admin\AppData\Local\Temp\91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1544

C:\Users\Admin\AppData\Local\Temp\91b70ec4843ec323ad956b3aa9e4ed0813d6fee3fa99336d2e30b985b160f345.exe
2⤵
- Suspicious use of SetWindowsHookEx
PID:1892

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:2236

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/1892-132-0x0000000000000000-mapping.dmp

Download
memory/1892-133-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1892-134-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1892-135-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1892-136-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1892-137-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1892-138-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads