13fc08b4f0cfb518d408bca1c771b5f99b274065660d9a2be5e8308a139e8157

Analysis

max time kernel
118s
max time network
130s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 09:07

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General

Target

c83c0aeacdd57fe2b3b5028d2ed1cea9.exe
Size

500KB
MD5

c83c0aeacdd57fe2b3b5028d2ed1cea9
SHA1

9945169e5d489c25921fff17530ce447c62b88c7
SHA256

13fc08b4f0cfb518d408bca1c771b5f99b274065660d9a2be5e8308a139e8157
SHA512

bef46632a4e1132c5939ddef4d5aab31f60324263db5deb5f7b2bb31a0440d0001891b1e5419f5f9b5731e73f6d3379e311bffc91884f7466c6726ce69841dba
SSDEEP

6144:vBvV8KdpmmIGXsDSRkV0z6IMc9SPoajdz51IR7qb20WFP/XauRWnCSeL1o5VY9w:vBtZTwBDSF39zRm6KuKCSC1X

Score

9^/10

evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe

Executes dropped EXE 1 IoCs

pid	Process
3032	s948.exe

Loads dropped DLL 4 IoCs

pid	Process
3060	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe
3060	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe
3060	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe
3060	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3060	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe
3032	s948.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3032	s948.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3032	s948.exe
3032	s948.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 3032	3060	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe	28
PID 3060 wrote to memory of 3032	3060	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe	28
PID 3060 wrote to memory of 3032	3060	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe	28
PID 3060 wrote to memory of 3032	3060	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe	28

C:\Users\Admin\AppData\Local\Temp\c83c0aeacdd57fe2b3b5028d2ed1cea9.exe
"C:\Users\Admin\AppData\Local\Temp\c83c0aeacdd57fe2b3b5028d2ed1cea9.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Loads dropped DLL
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Users\Admin\AppData\Local\Temp\n948\s948.exe
  "C:\Users\Admin\AppData\Local\Temp\n948\s948.exe" ins.exe /t 5384a46a561ca3393e8b4e59 /e 12637280 /u 29cc71b0-a872-11e3-8a58-80c16e6f498c /v "C:\Users\Admin\AppData\Local\Temp\c83c0aeacdd57fe2b3b5028d2ed1cea9.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\n948\s948.exe

Filesize
284KB

MD5
709f5012028d4342464f9244e468f655

SHA1
adea3d39c0b2356a5124c10bfeeaa7af7fa8593a

SHA256
0fe9a2e6600582cff74673810979d3d89273088c2b9a07378df44e3cab7b14b7

SHA512
12198b05cafb236934b11e655ebad407f45ac1b5a3502f7539ddc053a54e1c5cc933914899af6e48653a78236140ed4758b53ce1beab5bbc6823cee36cdf4b74

Download Submit
memory/3032-14-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download
memory/3032-15-0x000007FEF5990000-0x000007FEF632D000-memory.dmp

Filesize
9.6MB

Download
memory/3032-16-0x0000000001FC0000-0x0000000002040000-memory.dmp

Filesize
512KB

Download
memory/3032-17-0x000007FEF5990000-0x000007FEF632D000-memory.dmp

Filesize
9.6MB

Download
memory/3032-18-0x0000000001FC0000-0x0000000002040000-memory.dmp

Filesize
512KB

Download
memory/3032-19-0x0000000001FC0000-0x0000000002040000-memory.dmp

Filesize
512KB

Download
memory/3032-20-0x0000000001FC0000-0x0000000002040000-memory.dmp

Filesize
512KB

Download
memory/3032-21-0x0000000001FC0000-0x0000000002040000-memory.dmp

Filesize
512KB

Download
memory/3032-22-0x0000000001FC0000-0x0000000002040000-memory.dmp

Filesize
512KB

Download
memory/3032-23-0x0000000001FC0000-0x0000000002040000-memory.dmp

Filesize
512KB

Download
memory/3032-24-0x000007FEF5990000-0x000007FEF632D000-memory.dmp

Filesize
9.6MB

Download
memory/3032-25-0x0000000001FC0000-0x0000000002040000-memory.dmp

Filesize
512KB

Download
memory/3032-26-0x0000000001FC0000-0x0000000002040000-memory.dmp

Filesize
512KB

Download
memory/3032-27-0x000007FEF5990000-0x000007FEF632D000-memory.dmp

Filesize
9.6MB

Download