2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059

Analysis

max time kernel
134s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
22/11/2022, 15:07

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General

Target

2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe
Size

1.3MB
MD5

91da6ff9c270d722f6640350bca8f23e
SHA1

8f868d227c2c7e7dcc5cd0d76b1251e3c9eed794
SHA256

2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059
SHA512

48006cb4b29bfd933a8905df7792cfd7b207824fd57086971a94601366262013b02a6615ec157159c52f9ff1167c26c6835fdad224a33e8a58ff7aa84df465a5
SSDEEP

24576:brKqlGCPcJKwybUDwEZZODYmR9G+gnbkk6XRJfe3DqYO/KpLwFfngWX4VmJPak4:brKo4ZwCOnYjVmJPan

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{CD35A4D5-D70B-4915-9E83-2A587F63CC6D}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{593948B0-D30F-4BB4-AC16-A9A7F1332786}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1544 set thread context of 1880	1544	2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe	75

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

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

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

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1880	2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe
1880	2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe
1880	2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe
1880	2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe
1880	2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 1880	1544	2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe	75
PID 1544 wrote to memory of 1880	1544	2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe	75
PID 1544 wrote to memory of 1880	1544	2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe	75
PID 1544 wrote to memory of 1880	1544	2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe	75
PID 1544 wrote to memory of 1880	1544	2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe	75
PID 1544 wrote to memory of 1880	1544	2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe	75
PID 1544 wrote to memory of 1880	1544	2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe	75
PID 1544 wrote to memory of 1880	1544	2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe	75
PID 1544 wrote to memory of 1880	1544	2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe	75
PID 1544 wrote to memory of 1880	1544	2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe	75

C:\Users\Admin\AppData\Local\Temp\2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe
"C:\Users\Admin\AppData\Local\Temp\2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Users\Admin\AppData\Local\Temp\2b97a99f7d07d04f6b7c78d1ed4815d33418ada786d1d64a5e767a9c67491059.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:5020

Network

MITRE ATT&CK Enterprise v6

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

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads