637a87cb499b7cc4b35e835bb9ac32e4990fe848ba94130ebf37b652c1a8ca74

General

Target
7c63f1598c4dde4ea197093086dcfe3a.exe
Size 255KB
Sample220131-jpvdfahdg3
SHA256 637a87cb499b7cc4b35e835bb9ac32e4990fe848ba94130ebf37b652c1a8ca74
MD5 7c63f1598c4dde4ea197093086dcfe3a
SHA1 3e922ad521507f22d3c45157b7ccac0b71220947
SHA512 4c34f5b46eed3f90b7c7a0b92ffbc59880daadabb1fa5663975a4aca569fe5f3bbfe32bc58fd38c30509208156b0da737f702be7a9fbaa27fad0a5e1b63c3ef1
MD5 SHA1 SHA512

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
552	fdlaunchersa.exe
556	fdlaunchersa.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0006000000014023-62.dat	upx
behavioral1/files/0x0006000000014023-65.dat	upx
behavioral1/files/0x0006000000014023-64.dat	upx
behavioral1/files/0x0006000000014023-66.dat	upx
behavioral1/files/0x0006000000014023-69.dat	upx
behavioral1/files/0x0006000000014023-71.dat	upx

Deletes itself 1 IoCs

pid	Process
1764	WScript.exe

Loads dropped DLL 3 IoCs

pid	Process
552	fdlaunchersa.exe
552	fdlaunchersa.exe
556	fdlaunchersa.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1528 set thread context of 1128	1528	7c63f1598c4dde4ea197093086dcfe3a.exe	27
PID 552 set thread context of 556	552	fdlaunchersa.exe	29

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	7c63f1598c4dde4ea197093086dcfe3a.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\fdlaunchersa.exe	7c63f1598c4dde4ea197093086dcfe3a.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1128	7c63f1598c4dde4ea197093086dcfe3a.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 1128	1528	7c63f1598c4dde4ea197093086dcfe3a.exe	27
PID 1528 wrote to memory of 1128	1528	7c63f1598c4dde4ea197093086dcfe3a.exe	27
PID 1528 wrote to memory of 1128	1528	7c63f1598c4dde4ea197093086dcfe3a.exe	27
PID 1528 wrote to memory of 1128	1528	7c63f1598c4dde4ea197093086dcfe3a.exe	27
PID 1528 wrote to memory of 1128	1528	7c63f1598c4dde4ea197093086dcfe3a.exe	27
PID 1528 wrote to memory of 1128	1528	7c63f1598c4dde4ea197093086dcfe3a.exe	27
PID 1528 wrote to memory of 1128	1528	7c63f1598c4dde4ea197093086dcfe3a.exe	27
PID 1528 wrote to memory of 1128	1528	7c63f1598c4dde4ea197093086dcfe3a.exe	27
PID 1528 wrote to memory of 1128	1528	7c63f1598c4dde4ea197093086dcfe3a.exe	27
PID 552 wrote to memory of 556	552	fdlaunchersa.exe	29
PID 552 wrote to memory of 556	552	fdlaunchersa.exe	29
PID 552 wrote to memory of 556	552	fdlaunchersa.exe	29
PID 552 wrote to memory of 556	552	fdlaunchersa.exe	29
PID 552 wrote to memory of 556	552	fdlaunchersa.exe	29
PID 552 wrote to memory of 556	552	fdlaunchersa.exe	29
PID 552 wrote to memory of 556	552	fdlaunchersa.exe	29
PID 552 wrote to memory of 556	552	fdlaunchersa.exe	29
PID 552 wrote to memory of 556	552	fdlaunchersa.exe	29
PID 1128 wrote to memory of 1764	1128	7c63f1598c4dde4ea197093086dcfe3a.exe	30
PID 1128 wrote to memory of 1764	1128	7c63f1598c4dde4ea197093086dcfe3a.exe	30
PID 1128 wrote to memory of 1764	1128	7c63f1598c4dde4ea197093086dcfe3a.exe	30
PID 1128 wrote to memory of 1764	1128	7c63f1598c4dde4ea197093086dcfe3a.exe	30
PID 1128 wrote to memory of 1764	1128	7c63f1598c4dde4ea197093086dcfe3a.exe	30
PID 1128 wrote to memory of 1764	1128	7c63f1598c4dde4ea197093086dcfe3a.exe	30
PID 1128 wrote to memory of 1764	1128	7c63f1598c4dde4ea197093086dcfe3a.exe	30

C:\Users\Admin\AppData\Local\Temp\7c63f1598c4dde4ea197093086dcfe3a.exe
"C:\Users\Admin\AppData\Local\Temp\7c63f1598c4dde4ea197093086dcfe3a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Users\Admin\AppData\Local\Temp\7c63f1598c4dde4ea197093086dcfe3a.exe
  2⤵
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1128
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\7237.vbs"
    3⤵
    - Deletes itself
    PID:1764

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
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:552
- C:\Program Files (x86)\Microsoft SQL Server Compact Edition\fdlaunchersa.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:556

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

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Downloads

memory/1128-61-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/1128-60-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/1128-59-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/1128-57-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/1128-56-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/1528-55-0x0000000076371000-0x0000000076373000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads