4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9

max time kernel
292s
max time network
302s
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 36 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3036-3-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-4-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-6-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-7-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-8-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-9-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-14-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-15-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-16-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-28-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-39-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-41-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-47-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-48-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-49-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-50-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-51-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-53-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-54-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-57-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-63-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-64-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-65-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-69-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-70-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-74-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-75-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-76-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-77-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-78-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-82-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-83-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-84-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-85-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-86-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral1/memory/3036-87-0x0000000000400000-0x00000000007A3000-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 4872 set thread context of 3036	4872	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
3036	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
3036	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
3036	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
3036	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
3036	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
3036	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 3036	4872	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	81
PID 4872 wrote to memory of 3036	4872	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	81
PID 4872 wrote to memory of 3036	4872	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	81
PID 4872 wrote to memory of 3036	4872	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	81
PID 4872 wrote to memory of 3036	4872	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	81
PID 4872 wrote to memory of 3036	4872	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	81
PID 4872 wrote to memory of 3036	4872	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	81
PID 4872 wrote to memory of 3036	4872	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:4872
- 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:3036

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
14.5MB

MD5
a402d1d9cf49c515288944fe0d52033a

SHA1
019c9a891a51a50ce325d9515d48e4d8b961e4ad

SHA256
6e960d88674a16db13842f9de65a35e62583383b564a0e5b040838259712929c

SHA512
f922e9468efcb034929b9a4e2c36b24c5f1433af7eaffe4510dba3f01b85753baf05e415d8d12ae28c85894e99186f08aa8a946c5f9fc6574ac5d596278cba03

Download Submit
memory/3036-51-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-53-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-6-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-7-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-8-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-9-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-14-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-15-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-16-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-54-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-28-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-87-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-39-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-41-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-47-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-48-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-49-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-50-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-4-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-86-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-3-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-57-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-63-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-64-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-65-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-69-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-70-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-74-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-75-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-76-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-77-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-78-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-82-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-83-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-84-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3036-85-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/4872-1-0x0000000000A60000-0x0000000000BEC000-memory.dmp

Filesize
1.5MB

Download
memory/4872-2-0x0000000002710000-0x0000000002893000-memory.dmp

Filesize
1.5MB

Download