541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3

General

Target

541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe
Size

1.1MB
MD5

6c6f9d22b791194c2963dd0ca094c822
SHA1

0da85a5325de173b1756443f727f77accde38e33
SHA256

541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3
SHA512

f5129973a45928ee50626cde8a4f7cd7c2b392675ce0573dc28d6c2fd57b7e31a07f234e4b64d9d30e6cb71f31ecd7d98afcf3cb7a2cb4759fa34c02bb3e9b86
SSDEEP

24576:yio2C4Tz86EE1by3swR9HrwNmojHuD/bsytUltKo+5+VYrle5sZ:U4TzJJm9R9kFTSbNtkwo+5Vrle5o

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\{772E1635-9023-43CA-9BEB-39E2494F9339}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{A5B49C45-5531-4BAC-AB76-829DFB214FF9}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe

description	pid	process	target process
PID 2228 set thread context of 1892	2228	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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:

541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe

pid	process
1892	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe
1892	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe
1892	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe
1892	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe
1892	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe

description	pid	process	target process
PID 2228 wrote to memory of 1892	2228	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe
PID 2228 wrote to memory of 1892	2228	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe
PID 2228 wrote to memory of 1892	2228	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe
PID 2228 wrote to memory of 1892	2228	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe
PID 2228 wrote to memory of 1892	2228	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe
PID 2228 wrote to memory of 1892	2228	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe
PID 2228 wrote to memory of 1892	2228	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe
PID 2228 wrote to memory of 1892	2228	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe
PID 2228 wrote to memory of 1892	2228	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe
PID 2228 wrote to memory of 1892	2228	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe	541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe

C:\Users\Admin\AppData\Local\Temp\541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe
"C:\Users\Admin\AppData\Local\Temp\541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2228

C:\Users\Admin\AppData\Local\Temp\541e45a2e04299ec9edfd78e5066b8bfe48c15a803d1ea4b4a26c634657626a3.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:2224

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/1892-133-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1892-134-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1892-135-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1892-136-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download
memory/1892-137-0x0000000000400000-0x00000000004F3000-memory.dmp

Filesize
972KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads