8e5e9b15e9293185ae8db45aa8191fecdc4cfe7aebf215c7e0591aa5cfd040c7

Analysis

max time kernel
246s
max time network
283s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
15-10-2023 18:41

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General

Target

25c6ec688ea67d7e5e760ebe6a739ed0_exe32_JC.exe
Size

50KB
MD5

25c6ec688ea67d7e5e760ebe6a739ed0
SHA1

d0030aef752c2a6b313f010e9f32682ba36c48a5
SHA256

8e5e9b15e9293185ae8db45aa8191fecdc4cfe7aebf215c7e0591aa5cfd040c7
SHA512

d8f587a14fa45ecdb08ee80a21a674cc19e606556e9c065dae4d258e5ed68d3e8d22dea501221d2f63c13b5c344b236cf83dcb33556d5ac6749d0d43659ec87e
SSDEEP

768:AkdPFPSWKc346ydzXWejVud4mz8f0nXGe344524444/80BjLBiT9TxflYvg:AEPpS76ydzGej0d4K20n2eN6RXBuSY

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3040	conwurm.exe

Loads dropped DLL 1 IoCs

pid	Process
2572	25c6ec688ea67d7e5e760ebe6a739ed0_exe32_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2572-0-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2572-4-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/files/0x000400000000fefe-9.dat	upx
behavioral1/files/0x000400000000fefe-12.dat	upx
behavioral1/files/0x000400000000fefe-17.dat	upx
behavioral1/memory/3040-15-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2572-13-0x0000000000400000-0x0000000000414000-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 2572 wrote to memory of 3040	2572	25c6ec688ea67d7e5e760ebe6a739ed0_exe32_JC.exe	27
PID 2572 wrote to memory of 3040	2572	25c6ec688ea67d7e5e760ebe6a739ed0_exe32_JC.exe	27
PID 2572 wrote to memory of 3040	2572	25c6ec688ea67d7e5e760ebe6a739ed0_exe32_JC.exe	27
PID 2572 wrote to memory of 3040	2572	25c6ec688ea67d7e5e760ebe6a739ed0_exe32_JC.exe	27

C:\Users\Admin\AppData\Local\Temp\25c6ec688ea67d7e5e760ebe6a739ed0_exe32_JC.exe
"C:\Users\Admin\AppData\Local\Temp\25c6ec688ea67d7e5e760ebe6a739ed0_exe32_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Users\Admin\AppData\Local\Temp\conwurm.exe
  "C:\Users\Admin\AppData\Local\Temp\conwurm.exe"
  2⤵
  - Executes dropped EXE
  PID:3040

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

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

Filesize
50KB

MD5
f13a30120c9a0e46f8fd28e3903fc437

SHA1
627ba29cc410dc8d1985b9cc3eccb3a9db767747

SHA256
bed5491182d7a8d71e1a2f28f0f73c55af83a6cf05a98f260d2c2d8022553d41

SHA512
3dc058c4b86810861d190db0bfba912784b838b0264a579ab1ac9d472e267e4cb2f661ff2a24948cf405fd993cb42dededabea2b0a09886dae3d3db766220a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\conwurm.exe

Filesize
50KB

MD5
f13a30120c9a0e46f8fd28e3903fc437

SHA1
627ba29cc410dc8d1985b9cc3eccb3a9db767747

SHA256
bed5491182d7a8d71e1a2f28f0f73c55af83a6cf05a98f260d2c2d8022553d41

SHA512
3dc058c4b86810861d190db0bfba912784b838b0264a579ab1ac9d472e267e4cb2f661ff2a24948cf405fd993cb42dededabea2b0a09886dae3d3db766220a63

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

Filesize
50KB

MD5
f13a30120c9a0e46f8fd28e3903fc437

SHA1
627ba29cc410dc8d1985b9cc3eccb3a9db767747

SHA256
bed5491182d7a8d71e1a2f28f0f73c55af83a6cf05a98f260d2c2d8022553d41

SHA512
3dc058c4b86810861d190db0bfba912784b838b0264a579ab1ac9d472e267e4cb2f661ff2a24948cf405fd993cb42dededabea2b0a09886dae3d3db766220a63

Download Submit
memory/2572-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2572-1-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/2572-2-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/2572-3-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/2572-4-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2572-6-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/2572-13-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3040-15-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download