77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918

General

Target

77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe
Size

152KB
MD5

5b8655367d750964e1c25db99609d1cc
SHA1

39891628760cb782758b9ded2871780c2921826f
SHA256

77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918
SHA512

52922807ac78082af8973ecc83d12eef2c65b60726ccccef46b07e05e81f84d933a7a3a0f332f42c2ca4ce2d9b1fcc812f46fe97bda788f41fb0aa3b84ceb38f
SSDEEP

1536:lajwWzwgVwPLoJ8VQP0XyXnIcWWXaUZYynkhLtvtHciUcjD/NJ2v6yVpXA:lajwWcfa8a+yXn9RXaUZA30+7C6yV

Score

8^/10

persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Classes = "C:\\Users\\Admin\\AppData\\Roaming\\E3F1FA.exe"	svchost.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1672-55-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1580	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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1672 set thread context of 1552	1672	77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe	28

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1552	77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe
1552	77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1552	1672	77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe	28
PID 1672 wrote to memory of 1552	1672	77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe	28
PID 1672 wrote to memory of 1552	1672	77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe	28
PID 1672 wrote to memory of 1552	1672	77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe	28
PID 1672 wrote to memory of 1552	1672	77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe	28
PID 1672 wrote to memory of 1552	1672	77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe	28
PID 1672 wrote to memory of 1552	1672	77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe	28
PID 1552 wrote to memory of 1580	1552	77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe	29
PID 1552 wrote to memory of 1580	1552	77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe	29
PID 1552 wrote to memory of 1580	1552	77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe	29
PID 1552 wrote to memory of 1580	1552	77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe	29

C:\Users\Admin\AppData\Local\Temp\77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe
"C:\Users\Admin\AppData\Local\Temp\77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Users\Admin\AppData\Local\Temp\77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe
  C:\Users\Admin\AppData\Local\Temp\77e8d267d29e841bc5ccfbcb2b4e413440f7c29b6fec52c53d3caf6448990918.exe
  2⤵
  - Maps connected drives based on registry
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1552
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Adds policy Run key to start application
    - Deletes itself
    PID:1580

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1552-56-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1552-57-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1552-59-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1552-61-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1552-63-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1580-66-0x0000000000080000-0x0000000000084000-memory.dmp

Filesize
16KB

Download
memory/1580-65-0x0000000000CC0000-0x0000000000CC8000-memory.dmp

Filesize
32KB

Download
memory/1580-67-0x0000000000030000-0x000000000003F000-memory.dmp

Filesize
60KB

Download
memory/1672-54-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/1672-55-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

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