4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1264-4-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-5-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-8-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-10-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-11-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-16-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-18-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-19-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-20-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-21-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-22-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-25-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-26-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-27-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-36-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-37-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-42-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-50-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-59-0x0000000000400000-0x00000000007A3000-memory.dmp	upx
behavioral2/memory/1264-63-0x0000000000400000-0x00000000007A3000-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 2176 set thread context of 1264	2176	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	28

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1264	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
1264	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe
1264	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 1264	2176	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	28
PID 2176 wrote to memory of 1264	2176	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	28
PID 2176 wrote to memory of 1264	2176	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	28
PID 2176 wrote to memory of 1264	2176	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	28
PID 2176 wrote to memory of 1264	2176	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	28
PID 2176 wrote to memory of 1264	2176	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	28
PID 2176 wrote to memory of 1264	2176	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	28
PID 2176 wrote to memory of 1264	2176	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	28
PID 2176 wrote to memory of 1264	2176	4908395a56a5c48373993a6b6eea963810804c123e54e1f80a7c94c1202d6fb9.exe	28

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:2176
- 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:1264

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
2.7MB

MD5
524aa207546b0ac25e011d6e3a62a5ff

SHA1
4a2136d1f00318cdbb09f6ba21e82648d0dc9617

SHA256
895824096b4bde3dc92ba17f36fe493317e786313095a40c16c337325916fa5f

SHA512
e5ac0ee8cb089a99b2ef6644d6a2891bde6798352d2f16c38c65c61cd132acc663c7a31e91bc6ac050cddd082d144c66f84bedf26dd646ae4adeb073233806d3

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

Filesize
9.8MB

MD5
e3de96599e70682c8edaa5e707899bc6

SHA1
3e2d346ae8da5e67c77f116df2bc4a4672c3792c

SHA256
fab13161cb4f94b30e4f2bb1e595885c90ccb72e74f59736975b9a49f102be57

SHA512
50a141f07a0fc21295245ed1ccafa10e158b4a0e6e7a269114bc307dcaf58aa843c8722f71195bd246f797ccc0bb189f8b16135af16124f66df7955994164d94

Download Submit
memory/1264-19-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-37-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-63-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-5-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-8-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-10-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-11-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-16-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-59-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-18-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-50-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-20-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-4-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-22-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-21-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-26-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-27-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1264-36-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-25-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/1264-42-0x0000000000400000-0x00000000007A3000-memory.dmp

Filesize
3.6MB

Download
memory/2176-1-0x0000000000710000-0x0000000000893000-memory.dmp

Filesize
1.5MB

Download
memory/2176-0-0x0000000000710000-0x0000000000893000-memory.dmp

Filesize
1.5MB

Download
memory/2176-17-0x0000000002040000-0x00000000021C3000-memory.dmp

Filesize
1.5MB

Download
memory/2176-6-0x0000000002040000-0x00000000021C3000-memory.dmp

Filesize
1.5MB

Download