2cf322badca9a5b4a7a4f8d8e4f86cefc9972eb96091b461ace21216fb0a7a4d

Analysis

max time kernel
120s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24/08/2024, 20:18

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General

Target

d7b608e9bd810f7ba30dd26a002a85f0N.exe
Size

47KB
MD5

d7b608e9bd810f7ba30dd26a002a85f0
SHA1

81c89c70376906113de200b46e20e33a64c879d4
SHA256

2cf322badca9a5b4a7a4f8d8e4f86cefc9972eb96091b461ace21216fb0a7a4d
SHA512

6873b8f54ab688c514cceb5b834e80203ff8b0d9712c566bf016ecf7504b6e4cd760e6815114e8b4316eb0fd1df44c9a8f299f449c8c6bdf37d4f1c661eb82c6
SSDEEP

768:Iv9ilrnywLsYg+0yq2vWdT9SOaNou0yWH7oXzO8ZGjSjAsOmA0acFqoXcb:fjxsz40yvXHGjUAsOPkHcb

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2584	conwurm.exe

Loads dropped DLL 1 IoCs

pid	Process
964	d7b608e9bd810f7ba30dd26a002a85f0N.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/964-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral1/files/0x000700000001211b-6.dat	upx
behavioral1/memory/964-11-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral1/memory/2584-12-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral1/memory/2584-16-0x0000000000400000-0x0000000000417000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d7b608e9bd810f7ba30dd26a002a85f0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	conwurm.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 2584	964	d7b608e9bd810f7ba30dd26a002a85f0N.exe	30
PID 964 wrote to memory of 2584	964	d7b608e9bd810f7ba30dd26a002a85f0N.exe	30
PID 964 wrote to memory of 2584	964	d7b608e9bd810f7ba30dd26a002a85f0N.exe	30
PID 964 wrote to memory of 2584	964	d7b608e9bd810f7ba30dd26a002a85f0N.exe	30

C:\Users\Admin\AppData\Local\Temp\d7b608e9bd810f7ba30dd26a002a85f0N.exe
"C:\Users\Admin\AppData\Local\Temp\d7b608e9bd810f7ba30dd26a002a85f0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:964
- C:\Users\Admin\AppData\Local\Temp\conwurm.exe
  "C:\Users\Admin\AppData\Local\Temp\conwurm.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
47KB

MD5
573f22c799310dbeb8373a551cb533b7

SHA1
c79deb914237efdba3d95c0ae617848ef4e165fb

SHA256
5af84db26cd1bdade0265c55c4b166b5db96073e5c7557f18b3f2084147ed193

SHA512
93e58d9aea769c6e87d3b90ff0244a3bb60a3e7fa90341bbe3271fd4a74550b065cbad425715d59d0de082718db5839dc9bce5d4688225b25506a4a1175bd6ea

Download Submit
memory/964-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/964-1-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/964-4-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/964-2-0x0000000004000000-0x0000000004005000-memory.dmp

Filesize
20KB

Download
memory/964-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2584-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2584-16-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download