3e4575383e55b6d8ba2ac45d2cde04b2c682562d8f86ba6e62fc151d131b3ac7

Analysis

max time kernel
119s
max time network
126s
platform
windows7_x64
resource
win7-en-20210920
submitted
03/11/2021, 19:20

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General

Target
bfcacc8d5aaa387bd37484b7a83f96ee.exe
Size 468KB
Sample211103-x17d2abgam
SHA256 3e4575383e55b6d8ba2ac45d2cde04b2c682562d8f86ba6e62fc151d131b3ac7
MD5 bfcacc8d5aaa387bd37484b7a83f96ee
SHA1 0002302be69006b53d77420f177c2df1f4217299
SHA512 0ec7c47b62610a5fd4e714d6a6e0c20432969522b390838932123bfc35ce009aa184aad31a2f6bdcd7cacb08fe18ef088e33848e84fbdce72ad0c12bca053d56
MD5 SHA1 SHA512

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
876	SysPerformance.exe

Loads dropped DLL 2 IoCs

pid	Process
436	bfcacc8d5aaa387bd37484b7a83f96ee.exe
436	bfcacc8d5aaa387bd37484b7a83f96ee.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Run	bfcacc8d5aaa387bd37484b7a83f96ee.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\{AA28C32F-966C-42C8-A717-F36CCC3CF373} = "C:\\Users\\Admin\\AppData\\Roaming\\{A04F9FB8-60C5-42FE-9C26-A8907E2ABF01}\\SysPerformance.exe"	bfcacc8d5aaa387bd37484b7a83f96ee.exe
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run	bfcacc8d5aaa387bd37484b7a83f96ee.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\{AA28C32F-966C-42C8-A717-F36CCC3CF373} = "C:\\Users\\Admin\\AppData\\Roaming\\{A04F9FB8-60C5-42FE-9C26-A8907E2ABF01}\\SysPerformance.exe"	bfcacc8d5aaa387bd37484b7a83f96ee.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	bfcacc8d5aaa387bd37484b7a83f96ee.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\{AA28C32F-966C-42C8-A717-F36CCC3CF373} = "C:\\Users\\Admin\\AppData\\Roaming\\{A04F9FB8-60C5-42FE-9C26-A8907E2ABF01}\\SysPerformance.exe"	bfcacc8d5aaa387bd37484b7a83f96ee.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 876	436	bfcacc8d5aaa387bd37484b7a83f96ee.exe	28
PID 436 wrote to memory of 876	436	bfcacc8d5aaa387bd37484b7a83f96ee.exe	28
PID 436 wrote to memory of 876	436	bfcacc8d5aaa387bd37484b7a83f96ee.exe	28
PID 436 wrote to memory of 876	436	bfcacc8d5aaa387bd37484b7a83f96ee.exe	28

C:\Users\Admin\AppData\Local\Temp\bfcacc8d5aaa387bd37484b7a83f96ee.exe
"C:\Users\Admin\AppData\Local\Temp\bfcacc8d5aaa387bd37484b7a83f96ee.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:436
- C:\Users\Admin\AppData\Roaming\{A04F9FB8-60C5-42FE-9C26-A8907E2ABF01}\SysPerformance.exe
  "C:\Users\Admin\AppData\Roaming\{A04F9FB8-60C5-42FE-9C26-A8907E2ABF01}\SysPerformance.exe"
  2⤵
  - Executes dropped EXE
  PID:876

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/436-54-0x00000000009DD000-0x0000000000A1A000-memory.dmp

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memory/436-55-0x00000000002D0000-0x0000000000325000-memory.dmp

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memory/436-56-0x0000000000400000-0x0000000000919000-memory.dmp

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memory/436-57-0x0000000074B41000-0x0000000074B43000-memory.dmp

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memory/876-62-0x0000000000AED000-0x0000000000B2A000-memory.dmp

Download

memory/876-65-0x0000000000400000-0x0000000000919000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads