fb54036209aff7365eb8c7669a63d7d2e136612cd51b749a350bc2b91f80fd80

General

Target

1fcf9ad08787aaea7afc080b4f757632.exe
Size

33KB
MD5

1fcf9ad08787aaea7afc080b4f757632
SHA1

64ff8a42f4ae652cf028661b562ca782b5e36992
SHA256

fb54036209aff7365eb8c7669a63d7d2e136612cd51b749a350bc2b91f80fd80
SHA512

4d85b64ed4e64d5d1e2ae84444ae8deca835dfb71aeb63d91ad272226a62717b8f3dbe0e1c20da601d8cb679832cc27b172c30cbac06dd1e997eced9618533d7
SSDEEP

768:zk39tyLSxHmxHqT/PDa7Obk6Lzos3MrZ3TMtm6DeuVncvK6hPrIas4uiU9By:IN8smxHqzPDqOZ2rZ3TMpyscvK6drnsm

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3664	fxstaller.exe
4936	fxstaller.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows UDP Control Center = "fxstaller.exe"	1fcf9ad08787aaea7afc080b4f757632.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3316 set thread context of 1352	3316	1fcf9ad08787aaea7afc080b4f757632.exe	91
PID 3664 set thread context of 4936	3664	fxstaller.exe	97

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\fxstaller.exe	1fcf9ad08787aaea7afc080b4f757632.exe
File opened for modification	C:\Windows\fxstaller.exe	1fcf9ad08787aaea7afc080b4f757632.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3316 wrote to memory of 1352	3316	1fcf9ad08787aaea7afc080b4f757632.exe	91
PID 3316 wrote to memory of 1352	3316	1fcf9ad08787aaea7afc080b4f757632.exe	91
PID 3316 wrote to memory of 1352	3316	1fcf9ad08787aaea7afc080b4f757632.exe	91
PID 3316 wrote to memory of 1352	3316	1fcf9ad08787aaea7afc080b4f757632.exe	91
PID 3316 wrote to memory of 1352	3316	1fcf9ad08787aaea7afc080b4f757632.exe	91
PID 3316 wrote to memory of 1352	3316	1fcf9ad08787aaea7afc080b4f757632.exe	91
PID 3316 wrote to memory of 1352	3316	1fcf9ad08787aaea7afc080b4f757632.exe	91
PID 1352 wrote to memory of 3664	1352	1fcf9ad08787aaea7afc080b4f757632.exe	96
PID 1352 wrote to memory of 3664	1352	1fcf9ad08787aaea7afc080b4f757632.exe	96
PID 1352 wrote to memory of 3664	1352	1fcf9ad08787aaea7afc080b4f757632.exe	96
PID 3664 wrote to memory of 4936	3664	fxstaller.exe	97
PID 3664 wrote to memory of 4936	3664	fxstaller.exe	97
PID 3664 wrote to memory of 4936	3664	fxstaller.exe	97
PID 3664 wrote to memory of 4936	3664	fxstaller.exe	97
PID 3664 wrote to memory of 4936	3664	fxstaller.exe	97
PID 3664 wrote to memory of 4936	3664	fxstaller.exe	97
PID 3664 wrote to memory of 4936	3664	fxstaller.exe	97

C:\Users\Admin\AppData\Local\Temp\1fcf9ad08787aaea7afc080b4f757632.exe
"C:\Users\Admin\AppData\Local\Temp\1fcf9ad08787aaea7afc080b4f757632.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3316
- C:\Users\Admin\AppData\Local\Temp\1fcf9ad08787aaea7afc080b4f757632.exe
  "C:\Users\Admin\AppData\Local\Temp\1fcf9ad08787aaea7afc080b4f757632.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:1352
- - C:\Windows\fxstaller.exe
    "C:\Windows\fxstaller.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3664
  - - C:\Windows\fxstaller.exe
      "C:\Windows\fxstaller.exe"
      4⤵
      Executes dropped EXE
      PID:4936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\fxstaller.exe

Filesize
33KB

MD5
1fcf9ad08787aaea7afc080b4f757632

SHA1
64ff8a42f4ae652cf028661b562ca782b5e36992

SHA256
fb54036209aff7365eb8c7669a63d7d2e136612cd51b749a350bc2b91f80fd80

SHA512
4d85b64ed4e64d5d1e2ae84444ae8deca835dfb71aeb63d91ad272226a62717b8f3dbe0e1c20da601d8cb679832cc27b172c30cbac06dd1e997eced9618533d7

Download Submit
memory/1352-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1352-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1352-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1352-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1352-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1352-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1352-19-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4936-21-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4936-22-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4936-23-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4936-24-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4936-25-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4936-26-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4936-27-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4936-28-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4936-29-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4936-30-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads