58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e

Analysis

max time kernel
185s
max time network
224s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 15:48

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General

Target

58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e.exe
Size

13KB
MD5

44c592f1a08187ff28b2cb924b3e6fe2
SHA1

2652edf1c06bd460d7e5f9ca2d2788054d32c91d
SHA256

58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e
SHA512

743296fb260762d5c75dfb8fa2da9d68a2a4d8e1fde4e7caabf57feccf272022d3c81a200bc0b29c29c65f96929beaad3050c810e61a756483d2a879f83ea868
SSDEEP

384:kLOTSoMaHAhzQYVu1TY7gKJEmizmzCaF1FY:VSagh0Qu1UkKE7AF

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\33443 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mskikr.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

1292 svchost.exe

pid	process
1292	svchost.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e.exe

Drops file in Program Files directory 1 IoCs

Processes:

svchost.exe

description ioc process

File created C:\PROGRA~3\LOCALS~1\Temp\mskikr.exe svchost.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e.exe

pid process

1232 58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e.exe

description	ioc	process
File created	C:\PROGRA~3\LOCALS~1\Temp\mskikr.exe	svchost.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e.exe

pid	process
1232	58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e.exe
1232	58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e.exe

description	pid	process	target process
PID 1232 wrote to memory of 1292	1232	58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e.exe	svchost.exe
PID 1232 wrote to memory of 1292	1232	58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e.exe	svchost.exe
PID 1232 wrote to memory of 1292	1232	58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e.exe	svchost.exe
PID 1232 wrote to memory of 1292	1232	58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e.exe
"C:\Users\Admin\AppData\Local\Temp\58581e38bd8819280f5eb59c6c7acf5d2677601c78c24b4f4fd3d987ebc5013e.exe"
1⤵
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1232

C:\Windows\syswow64\svchost.exe
C:\Windows\syswow64\svchost.exe
2⤵
- Adds policy Run key to start application
- Deletes itself
- Drops file in Program Files directory
PID:1292

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1232-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1292-54-0x0000000000000000-mapping.dmp

Download
memory/1292-56-0x00000000000A0000-0x00000000000A8000-memory.dmp

Filesize
32KB

Download
memory/1292-57-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download
memory/1292-58-0x0000000000020000-0x0000000000025000-memory.dmp

Filesize
20KB

Download