4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
17/04/2024, 14:26

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General

Target

4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
Size

1.7MB
MD5

b2da193fb590153c1e0bafa590b65e34
SHA1

4a3f97ab1fbe710e51a3bdcd7adb20701668e603
SHA256

4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9
SHA512

0663db0e37376564d52135be90babf1a117140b4fcf1a2155b4a91b1a87ea1d7ed8955453ab4125e468da3d701ef7ca7bed4d41931978e5b7a2657237cff5f3f
SSDEEP

24576:pa71p1u7UctrbawQEWsey8clgWe/YPdtjgWZ45bc7X+0VdW/hF:pap/uprbt+xyDLVtM8pW5F

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral5/memory/4800-3-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-5-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-6-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-7-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-8-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-9-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-32-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-39-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-40-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-41-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-45-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-46-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-47-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-53-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-54-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-55-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-56-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-57-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-58-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-62-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-63-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/4800-64-0x0000000000400000-0x00000000007A3000-memory.dmp	upx

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\CSRSS = "\"C:\\ProgramData\\Drivers\\csrss.exe\""	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4568 set thread context of 4800	4568	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	81

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4800	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
4800	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
4800	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
4800	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
4800	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
4800	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4568 wrote to memory of 4800	4568	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	81
PID 4568 wrote to memory of 4800	4568	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	81
PID 4568 wrote to memory of 4800	4568	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	81
PID 4568 wrote to memory of 4800	4568	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	81
PID 4568 wrote to memory of 4800	4568	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	81
PID 4568 wrote to memory of 4800	4568	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	81
PID 4568 wrote to memory of 4800	4568	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	81
PID 4568 wrote to memory of 4800	4568	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	81

C:\Users\Admin\AppData\Local\Temp\4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
"C:\Users\Admin\AppData\Local\Temp\4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4568
- C:\Users\Admin\AppData\Local\Temp\4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
  "C:\Users\Admin\AppData\Local\Temp\4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:4800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\4KPV6A~1\cached-microdesc-consensus

Filesize
2.6MB

MD5
8c8bc1908db7ac54e1dd393839811249

SHA1
00d3e7d05a0abd7dd8d764a13a90d027c06382a4

SHA256
b684399e3c8c9fe286edc15d8a6e14ea9ae7795ea7b5371865140e50fb678b3a

SHA512
438d374c3c0ba6db776767906f8ee5cadc4e6042c26f2da4715049f697a7d63e7d178c0e191b8edf91ed1e401401f813c34cd66c0f0b9911826d0b913f3de6d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\4KPV6A~1\cached-microdescs.new

Filesize
12.4MB

MD5
266994904cbdadfa6d26a2ccf93ef04e

SHA1
0f9dc8139691ce153da1ee83f975604663879946

SHA256
c6fe4d6a043e450014a2b25d49fb6e3d31442f3d909f68d44e466be3693220ef

SHA512
d94c48d51776ef768d51803ce73f342039cb56f839d8f23dee8eacc3491004ce6dee78a2be19f4a8c1231de5a2e115f2dc9d4440a169e71b8704056f9fee790d

Download Submit
memory/4568-2-0x0000000002740000-0x00000000028C3000-memory.dmp

Filesize
1.5MB

Download
memory/4568-1-0x0000000000C00000-0x0000000000D93000-memory.dmp

Filesize
1.6MB

Download
memory/4800-40-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-46-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-8-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-9-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-6-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-5-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-32-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-39-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-3-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-41-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-45-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-7-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-47-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-53-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-54-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-55-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-56-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-57-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-58-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-62-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-63-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4800-64-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download