4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9

max time kernel
148s
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
15/04/2024, 14:00

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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 21 IoCs

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

upx

resource	yara_rule
behavioral5/memory/3004-3-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-4-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-6-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-7-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-8-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-9-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-14-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-15-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-16-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-41-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-42-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-43-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-49-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-50-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-54-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-55-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-56-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-57-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-61-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-62-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral5/memory/3004-63-0x0000000000400000-0x00000000007A3000-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 2256 set thread context of 3004	2256	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	80

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
3004	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
3004	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
3004	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
3004	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
3004	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
3004	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 3004	2256	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	80
PID 2256 wrote to memory of 3004	2256	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	80
PID 2256 wrote to memory of 3004	2256	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	80
PID 2256 wrote to memory of 3004	2256	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	80
PID 2256 wrote to memory of 3004	2256	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	80
PID 2256 wrote to memory of 3004	2256	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	80
PID 2256 wrote to memory of 3004	2256	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	80
PID 2256 wrote to memory of 3004	2256	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	80

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:2256
- 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:3004

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
2.7MB

MD5
524aa207546b0ac25e011d6e3a62a5ff

SHA1
4a2136d1f00318cdbb09f6ba21e82648d0dc9617

SHA256
895824096b4bde3dc92ba17f36fe493317e786313095a40c16c337325916fa5f

SHA512
e5ac0ee8cb089a99b2ef6644d6a2891bde6798352d2f16c38c65c61cd132acc663c7a31e91bc6ac050cddd082d144c66f84bedf26dd646ae4adeb073233806d3

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

Filesize
8.8MB

MD5
50273265f6f34997992f3e1a36445f27

SHA1
5b14bd289c1109c6ee41dc71002d6fb0a876b243

SHA256
d0036fbd44e70111e60316c8d9204593dd42fb4d095d8c4ec89d54085dc845d1

SHA512
24030ac554ca19c47d2a03f33ed03a21bd2796883084f3e63ecec9ca141dd97dc0e27b79a167a8dfbeccc95eebef944e04907ea3d174763ed11a247cd326a7fa

Download Submit
memory/2256-1-0x0000000000AB0000-0x0000000000C3B000-memory.dmp

Filesize
1.5MB

Download
memory/2256-2-0x0000000002720000-0x00000000028A3000-memory.dmp

Filesize
1.5MB

Download
memory/3004-8-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-43-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-6-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-9-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-14-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-15-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-16-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-4-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-3-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-41-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-42-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-7-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-49-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-50-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-54-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-55-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-56-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-57-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-61-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-62-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/3004-63-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download