714cfcce3e5d7787c853a1b2eb758672b9346bde1468b2e00dec6e894f5b3dc6

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
18/04/2024, 23:17

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General

Target

714cfcce3e5d7787c853a1b2eb758672b9346bde1468b2e00dec6e894f5b3dc6.exe
Size

101KB
MD5

1c79df5e23511fe4a0413011c07b8cd6
SHA1

5d2b41a74a3add772bc9452f998d8f02fc2a4178
SHA256

714cfcce3e5d7787c853a1b2eb758672b9346bde1468b2e00dec6e894f5b3dc6
SHA512

20f520f8def0be922c76665ce86d741257c24fd9ed2e33e5e54c1c9c1ddcd3803063847ae5f9f35b8c7564d90e491a57d1db4e76bfbd88ccb1eea0b45263ecc7
SSDEEP

1536:4Cd+qitb0bt+FTCQ2j9EvHsdX+u1X20n2eN6wrBXBuOkDjprs/yOIbVcV:H4b0hR9EE1+u1X2q2e3rtV

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/memory/1148-0-0x0000000000400000-0x0000000000415000-memory.dmp	UPX
behavioral1/files/0x000c00000001233c-5.dat	UPX
behavioral1/memory/1148-7-0x0000000002FC0000-0x0000000002FD5000-memory.dmp	UPX
behavioral1/memory/1148-10-0x0000000000400000-0x0000000000415000-memory.dmp	UPX
behavioral1/memory/2640-12-0x0000000000400000-0x0000000000415000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2640	conwurm.exe

Loads dropped DLL 1 IoCs

pid	Process
1148	714cfcce3e5d7787c853a1b2eb758672b9346bde1468b2e00dec6e894f5b3dc6.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1148-0-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/files/0x000c00000001233c-5.dat	upx
behavioral1/memory/1148-7-0x0000000002FC0000-0x0000000002FD5000-memory.dmp	upx
behavioral1/memory/1148-10-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/2640-12-0x0000000000400000-0x0000000000415000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 2640	1148	714cfcce3e5d7787c853a1b2eb758672b9346bde1468b2e00dec6e894f5b3dc6.exe	28
PID 1148 wrote to memory of 2640	1148	714cfcce3e5d7787c853a1b2eb758672b9346bde1468b2e00dec6e894f5b3dc6.exe	28
PID 1148 wrote to memory of 2640	1148	714cfcce3e5d7787c853a1b2eb758672b9346bde1468b2e00dec6e894f5b3dc6.exe	28
PID 1148 wrote to memory of 2640	1148	714cfcce3e5d7787c853a1b2eb758672b9346bde1468b2e00dec6e894f5b3dc6.exe	28

C:\Users\Admin\AppData\Local\Temp\714cfcce3e5d7787c853a1b2eb758672b9346bde1468b2e00dec6e894f5b3dc6.exe
"C:\Users\Admin\AppData\Local\Temp\714cfcce3e5d7787c853a1b2eb758672b9346bde1468b2e00dec6e894f5b3dc6.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Users\Admin\AppData\Local\Temp\conwurm.exe
  "C:\Users\Admin\AppData\Local\Temp\conwurm.exe"
  2⤵
  - Executes dropped EXE
  PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\conwurm.exe

Filesize
101KB

MD5
f84f7d24de240776ee06cf7c3f94c97a

SHA1
0537fa5d22717466c5ab4954982b4adb1483a9e0

SHA256
45b1b9f85b62d72242e0af4c5d4bda5ce5a08bb266fc5706261d5c02c51fa038

SHA512
884b0fa312f1e52cd2e587eaec3c10ab202ef772a400dacd2c64c5e0a71c15b68d3cf521a6097d05daf222f385560e50f7b0431130e17577d4fca3d3977a5065

Download Submit
memory/1148-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1148-1-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/1148-2-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/1148-7-0x0000000002FC0000-0x0000000002FD5000-memory.dmp

Filesize
84KB

Download
memory/1148-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2640-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2640-15-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download