1005108d49803216e9d4320d2c4a3feee7646933d3d1702fdd7a55cf73d25995

General

Target
2ae774bc266fb7bddb685dd527283072.exe
Size 255KB
Sample210202-eplnkj1van
SHA256 1005108d49803216e9d4320d2c4a3feee7646933d3d1702fdd7a55cf73d25995
MD5 2ae774bc266fb7bddb685dd527283072
SHA1 d7eeeeb60b8be5f403c3d422e60ef79f8a291682
SHA512 cf746e2d991c3db42b91d30544a5b29f362ebe9758cbb513c6aebb86e7094525a8cb613d2014605f4df9961e8c19729db34e066fc21a2bf42df18c3db5a35432
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
184	fdlaunchersa.exe
1424	fdlaunchersa.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000100000001ab7c-5.dat	upx
behavioral2/files/0x000100000001ab7c-6.dat	upx
behavioral2/files/0x000100000001ab7c-9.dat	upx

Deletes itself 1 IoCs

pid	Process
3860	WScript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 896 set thread context of 3728	896	2ae774bc266fb7bddb685dd527283072.exe	75
PID 184 set thread context of 1424	184	fdlaunchersa.exe	79

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\fdlaunchersa.exe	2ae774bc266fb7bddb685dd527283072.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\fdlaunchersa.exe	2ae774bc266fb7bddb685dd527283072.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings	2ae774bc266fb7bddb685dd527283072.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3728	2ae774bc266fb7bddb685dd527283072.exe
3728	2ae774bc266fb7bddb685dd527283072.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 896 wrote to memory of 3728	896	2ae774bc266fb7bddb685dd527283072.exe	75
PID 896 wrote to memory of 3728	896	2ae774bc266fb7bddb685dd527283072.exe	75
PID 896 wrote to memory of 3728	896	2ae774bc266fb7bddb685dd527283072.exe	75
PID 896 wrote to memory of 3728	896	2ae774bc266fb7bddb685dd527283072.exe	75
PID 896 wrote to memory of 3728	896	2ae774bc266fb7bddb685dd527283072.exe	75
PID 184 wrote to memory of 1424	184	fdlaunchersa.exe	79
PID 184 wrote to memory of 1424	184	fdlaunchersa.exe	79
PID 184 wrote to memory of 1424	184	fdlaunchersa.exe	79
PID 184 wrote to memory of 1424	184	fdlaunchersa.exe	79
PID 184 wrote to memory of 1424	184	fdlaunchersa.exe	79
PID 3728 wrote to memory of 3860	3728	2ae774bc266fb7bddb685dd527283072.exe	81
PID 3728 wrote to memory of 3860	3728	2ae774bc266fb7bddb685dd527283072.exe	81
PID 3728 wrote to memory of 3860	3728	2ae774bc266fb7bddb685dd527283072.exe	81

C:\Users\Admin\AppData\Local\Temp\2ae774bc266fb7bddb685dd527283072.exe
"C:\Users\Admin\AppData\Local\Temp\2ae774bc266fb7bddb685dd527283072.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:896
- C:\Users\Admin\AppData\Local\Temp\2ae774bc266fb7bddb685dd527283072.exe
  2⤵
  - Drops file in Program Files directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3728
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\3348.vbs"
    3⤵
    - Deletes itself
    PID:3860

C:\Program Files (x86)\Microsoft SQL Server Compact Edition\fdlaunchersa.exe
"C:\Program Files (x86)\Microsoft SQL Server Compact Edition\fdlaunchersa.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:184
- C:\Program Files (x86)\Microsoft SQL Server Compact Edition\fdlaunchersa.exe
  2⤵
  - Executes dropped EXE
  PID:1424

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3728-2-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/3728-4-0x0000000000400000-0x000000000040F000-memory.dmp