8e5e9b15e9293185ae8db45aa8191fecdc4cfe7aebf215c7e0591aa5cfd040c7

Analysis

max time kernel
165s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation	25c6ec688ea67d7e5e760ebe6a739ed0_exe32_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
3472	conwurm.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2632-0-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2632-1-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2632-6-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/files/0x000700000002307e-12.dat	upx
behavioral2/files/0x000700000002307e-14.dat	upx
behavioral2/files/0x000700000002307e-15.dat	upx
behavioral2/memory/2632-18-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3472-19-0x0000000000400000-0x0000000000414000-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 3 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 3472	2632	25c6ec688ea67d7e5e760ebe6a739ed0_exe32_JC.exe	87
PID 2632 wrote to memory of 3472	2632	25c6ec688ea67d7e5e760ebe6a739ed0_exe32_JC.exe	87
PID 2632 wrote to memory of 3472	2632	25c6ec688ea67d7e5e760ebe6a739ed0_exe32_JC.exe	87

C:\Users\Admin\AppData\Local\Temp\25c6ec688ea67d7e5e760ebe6a739ed0_exe32_JC.exe
"C:\Users\Admin\AppData\Local\Temp\25c6ec688ea67d7e5e760ebe6a739ed0_exe32_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Users\Admin\AppData\Local\Temp\conwurm.exe
  "C:\Users\Admin\AppData\Local\Temp\conwurm.exe"
  2⤵
  - Executes dropped EXE
  PID:3472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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

Filesize
50KB

MD5
f13a30120c9a0e46f8fd28e3903fc437

SHA1
627ba29cc410dc8d1985b9cc3eccb3a9db767747

SHA256
bed5491182d7a8d71e1a2f28f0f73c55af83a6cf05a98f260d2c2d8022553d41

SHA512
3dc058c4b86810861d190db0bfba912784b838b0264a579ab1ac9d472e267e4cb2f661ff2a24948cf405fd993cb42dededabea2b0a09886dae3d3db766220a63

Download Submit
memory/2632-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2632-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2632-3-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/2632-4-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/2632-6-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2632-7-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/2632-18-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3472-19-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3472-21-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download