1608c6837a178ccb9af63150bd8eb5aa0f7e8ea59bd54929a7cf84d2edce7c6c

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15-04-2024 12:49

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General

Target

15042024_2049_863858.js
Size

5.7MB
MD5

0dd1a6b7d7b3123fcf69757ca7d73eb9
SHA1

4331e4a5faa2f30ae0629283c81f808482a70384
SHA256

1608c6837a178ccb9af63150bd8eb5aa0f7e8ea59bd54929a7cf84d2edce7c6c
SHA512

ecad0cd56831788ca086ceed5c05fc5b5af510543799c62b26d09c322438b0a85104964395ca083ae9fd3fa0485d106e18a64232a8ad91dba03b2ecabe6d8645
SSDEEP

49152:4ZKCGqnaUy405pzJvdIp7z5nPfgxNExVziKEMSTwryEeCwWZb:c

Score

6^/10

persistence

Malware Config

Signatures

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\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\TecnoCloud = "C:\\Users\\Admin\\AppData\\Local\\TecnoCloud\\client32.exe"	wscript.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1640	AcroRd32.exe

Suspicious use of FindShellTrayWindow 13 IoCs

pid	Process
2060	wscript.exe
2060	wscript.exe
2060	wscript.exe
2060	wscript.exe
2060	wscript.exe
2060	wscript.exe
2060	wscript.exe
2060	wscript.exe
2060	wscript.exe
2060	wscript.exe
2060	wscript.exe
2060	wscript.exe
2060	wscript.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1640	AcroRd32.exe
1640	AcroRd32.exe
1640	AcroRd32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 1640	2060	wscript.exe	28
PID 2060 wrote to memory of 1640	2060	wscript.exe	28
PID 2060 wrote to memory of 1640	2060	wscript.exe	28
PID 2060 wrote to memory of 1640	2060	wscript.exe	28

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\15042024_2049_863858.js
1⤵
- Adds Run key to start application
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\Downloads\Notification_314.pdf"
  2⤵
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:1640

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

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\MUSICP~1.ZIP

Filesize
636KB

MD5
3a087a0f8b569f831ab85b6a5dfe6b72

SHA1
412ed180798ef7499edbbfb3beb86d69a26ca7fa

SHA256
cc39d33ccb25cce23fa65f6ce0c688965104bb986ed9794659b0af4a27dc86cf

SHA512
2513998178f7feecbdd17242bb90ea0d81e6d6ebfe29cae7bb0bdde44c25d566f6b5009669c7e360593a7e0d8122da4260b26c5e6d11aa7ddf382d797f92a7b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\MUSICP~2.ZIP

Filesize
1.5MB

MD5
47ca46c8c5a09bcdfe8c1cf23488ef83

SHA1
cf3a00b348f042574696cdb4a3384e6c2970c841

SHA256
767cb666de4f6276c093a9cbf4239c0a5cb228dc05c8b8df4cbfa871bb5c128a

SHA512
23ff4bd5322b0330b4432443b8478dc184764c1a4a91df18d3de2650b85c150d62473e74442189f242ddd1e54303f1d54fcb89face604b9ec278505b9adaaaf2

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
60ca68d026b279b0029df77358dfa6d9

SHA1
ce15860d3c9897b8944ba6f088b5c19795e12e8d

SHA256
7e807d23f5f1b67ee99d2f957cf82ca20a3c93229c4755b3aaaa3518609cf12e

SHA512
66eaf9815c79389edcb7658085234608672958734f0ceaf4629f45b332593596720eb2a935c949891710bc528d32162efc7f2faf4231af70c619e6bde3541075

Download Submit
C:\Users\Admin\Downloads\Notification_314.pdf

Filesize
21KB

MD5
224640dc1a7558695ee1035b9d392f70

SHA1
7a88e21f8207baaa646063c104e7eb01fd4c5a90

SHA256
43fd54f5457b9ece2519117083516e184a99910459428e5f90bea42e753195c0

SHA512
33767616a526a94cbba9169924f64628febeee89a4413481b84235435b5d2e1bc8d5778b0865a3d36364907c0557e1fe219e64555982305d9e7a76dc91bd0bc5

Download Submit
memory/2060-25-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads