4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9

max time kernel
148s
max time network
160s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-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
behavioral3/memory/1892-5-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-3-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-6-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-7-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-8-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-9-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-14-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-27-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-28-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-29-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-30-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-31-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-35-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-43-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-51-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-55-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-56-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-57-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-61-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-62-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-63-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral3/memory/1892-64-0x0000000000400000-0x00000000007A3000-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 2796 set thread context of 1892	2796	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	72

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
1892	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
1892	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
1892	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
1892	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
1892	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
1892	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 1892	2796	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	72
PID 2796 wrote to memory of 1892	2796	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	72
PID 2796 wrote to memory of 1892	2796	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	72
PID 2796 wrote to memory of 1892	2796	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	72
PID 2796 wrote to memory of 1892	2796	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	72
PID 2796 wrote to memory of 1892	2796	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	72
PID 2796 wrote to memory of 1892	2796	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	72
PID 2796 wrote to memory of 1892	2796	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	72

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:2796
- 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:1892

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.tmp

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
5.8MB

MD5
8ee52c273a05272de32e44d8bb5fa2f9

SHA1
f937676be1e573d5a21e2d136a20356ad5a3119f

SHA256
60415aa89b21010f1b1bcad26430d1dfb3b4f953492182c387d71c7f47b600b7

SHA512
aa70e25cb4784b8757b22b29c50e349a6643565a46170335934165e06d7a4b410659fff50d60beb9de36006245748000ec9c483fb59792849f853646c923729e

Download Submit
memory/1892-29-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-14-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-6-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-7-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-8-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-9-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-30-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-5-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-27-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-28-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-3-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-64-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-51-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-35-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-63-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-43-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-31-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-55-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-56-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-57-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-61-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1892-62-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/2796-2-0x00000000024B0000-0x0000000002633000-memory.dmp

Filesize
1.5MB

Download
memory/2796-1-0x0000000000A40000-0x0000000000BCC000-memory.dmp

Filesize
1.5MB

Download