vjw0rm | 47ac55851c62e30f0553a5d32f2b6a128f532b9904fbf5e100b53895ec8a86ca

General

Target

swift copy.PDF.js
Size

453KB
MD5

811a102d237ae380b2d9517fa79f2c6d
SHA1

17ff05d6c71c7c3f27be24cfd46b9653de9f67f2
SHA256

47ac55851c62e30f0553a5d32f2b6a128f532b9904fbf5e100b53895ec8a86ca
SHA512

3fcd5e98e5dbe0fb529ca77592bc012bc8560173114dfa754d363fe621b9336485a74fa48bd8bca4f676bfc91c2dc8ad5bc69c9a3b275b02722ec4e932688680
SSDEEP

6144:N5gPKUmu6hIe4UhL60X4dOvNJ38QJfJiDzh8qQESvpWvnR4Rt1Prz2fLFh2WR:N56fmu6mUhZVJ1J8DnRvAtlf2

Score

10^/10

vjw0rm trojan worm

Malware Config

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	1688	wscript.exe
8	1688	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ECqEVMhpHV.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ECqEVMhpHV.js	wscript.exe

Executes dropped EXE 1 IoCs

pid	Process
3064	bin.exe

Loads dropped DLL 1 IoCs

pid	Process
2508	ktmutil.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3064 set thread context of 1200	3064	bin.exe	10
PID 3064 set thread context of 2508	3064	bin.exe	32
PID 2508 set thread context of 1200	2508	ktmutil.exe	10

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-686452656-3203474025-4140627569-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	ktmutil.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3064	bin.exe
3064	bin.exe
3064	bin.exe
3064	bin.exe
3064	bin.exe
3064	bin.exe
3064	bin.exe
3064	bin.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1200	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3064	bin.exe
1200	Explorer.EXE
1200	Explorer.EXE
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe
2508	ktmutil.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 1688	1464	wscript.exe	28
PID 1464 wrote to memory of 1688	1464	wscript.exe	28
PID 1464 wrote to memory of 1688	1464	wscript.exe	28
PID 1464 wrote to memory of 3064	1464	wscript.exe	29
PID 1464 wrote to memory of 3064	1464	wscript.exe	29
PID 1464 wrote to memory of 3064	1464	wscript.exe	29
PID 1464 wrote to memory of 3064	1464	wscript.exe	29
PID 1200 wrote to memory of 2508	1200	Explorer.EXE	32
PID 1200 wrote to memory of 2508	1200	Explorer.EXE	32
PID 1200 wrote to memory of 2508	1200	Explorer.EXE	32
PID 1200 wrote to memory of 2508	1200	Explorer.EXE	32
PID 2508 wrote to memory of 1488	2508	ktmutil.exe	36
PID 2508 wrote to memory of 1488	2508	ktmutil.exe	36
PID 2508 wrote to memory of 1488	2508	ktmutil.exe	36
PID 2508 wrote to memory of 1488	2508	ktmutil.exe	36
PID 2508 wrote to memory of 1488	2508	ktmutil.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\system32\wscript.exe
  wscript.exe "C:\Users\Admin\AppData\Local\Temp\swift copy.PDF.js"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1464
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\ECqEVMhpHV.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    PID:1688
- - C:\Users\Admin\AppData\Roaming\bin.exe
    "C:\Users\Admin\AppData\Roaming\bin.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    PID:3064
- C:\Windows\SysWOW64\ktmutil.exe
  "C:\Windows\SysWOW64\ktmutil.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2508
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\cns436vh.zip

Filesize
542KB

MD5
a9a3b70adcf65be80c9b00e65d158669

SHA1
f2149444f70b702a43ad1e058dea147d6ba2eb5d

SHA256
bdcd90d909c708eff9a829c01b428c2b24fafc15f63deccd064c2bb12b0a49e3

SHA512
e06ea8f9d982ecd5bedf23676fa41b49d8673d9135f752655210c322529fb1441a4ef5f292825eea11ccb0cb516e873c33d16c3f800204511639c5b8db429290

Download Submit
C:\Users\Admin\AppData\Roaming\ECqEVMhpHV.js

Filesize
7KB

MD5
d7f1bd09dc54cdb298d18b01c350daad

SHA1
14389215c04486782b191d7e717604d47b4855f5

SHA256
1d15ca695084184b5e58a8ea3776bb5c8d2972c1d22d8ba0ded53b00bae8807b

SHA512
4fc09bf5626f1ce47a6b66b64bf9c3f22545ce481161f9b2c5e9fdc302d4d5b3e7acfd549bb24ec1405e4d93b3727abd301d957f32d44ed8d6d5cb3af7f8d976

Download Submit
C:\Users\Admin\AppData\Roaming\bin.exe

Filesize
244KB

MD5
191c89bfc7613125182be0c6f7dc0828

SHA1
1f856de98621182f9885f5ceb5017806a48a19f6

SHA256
0b5a9848fa4433d737febc05dafaa4f8db69d2605c8014a616fac6c4abc69c53

SHA512
a1d22bfe1716682d00ae6dce97d2da37c33fcfc40a10da745f23abd837042e0016e651cabd9e12979dd2a0eb055c7f41c0d7ad8bafefb07e8203d3d4ef1f6550

Download Submit
C:\Users\Admin\AppData\Roaming\bin.exe

Filesize
244KB

MD5
191c89bfc7613125182be0c6f7dc0828

SHA1
1f856de98621182f9885f5ceb5017806a48a19f6

SHA256
0b5a9848fa4433d737febc05dafaa4f8db69d2605c8014a616fac6c4abc69c53

SHA512
a1d22bfe1716682d00ae6dce97d2da37c33fcfc40a10da745f23abd837042e0016e651cabd9e12979dd2a0eb055c7f41c0d7ad8bafefb07e8203d3d4ef1f6550

Download Submit
C:\Users\Admin\AppData\Roaming\bin.exe

Filesize
244KB

MD5
191c89bfc7613125182be0c6f7dc0828

SHA1
1f856de98621182f9885f5ceb5017806a48a19f6

SHA256
0b5a9848fa4433d737febc05dafaa4f8db69d2605c8014a616fac6c4abc69c53

SHA512
a1d22bfe1716682d00ae6dce97d2da37c33fcfc40a10da745f23abd837042e0016e651cabd9e12979dd2a0eb055c7f41c0d7ad8bafefb07e8203d3d4ef1f6550

Download Submit
\Users\Admin\AppData\Local\Temp\sqlite3.dll

Filesize
1.0MB

MD5
ce5c15b5092877974d5b6476ad1cb2d7

SHA1
76a6fc307d1524081cba1886d312df97c9dd658f

SHA256
1f1a186ea26bd2462ea2a9cf35a816b92caf0897fdf332af3a61569e0ba97b24

SHA512
bb9ced38c63d2a29e18c38f60020cfdf0161384cd4ad6328352626643becdf49f6b4bef47012391720344fdd8ad520aa802dcbbed15b5026d27eb93b0a839c90

Download Submit
memory/1200-29-0x0000000006E70000-0x0000000006F73000-memory.dmp

Filesize
1.0MB

Download
memory/1200-25-0x0000000008A60000-0x000000000B6C4000-memory.dmp

Filesize
44.4MB

Download
memory/1200-32-0x0000000006E70000-0x0000000006F73000-memory.dmp

Filesize
1.0MB

Download
memory/1200-28-0x0000000006E70000-0x0000000006F73000-memory.dmp

Filesize
1.0MB

Download
memory/1200-17-0x0000000008A60000-0x000000000B6C4000-memory.dmp

Filesize
44.4MB

Download
memory/2508-31-0x0000000000340000-0x00000000003DA000-memory.dmp

Filesize
616KB

Download
memory/2508-30-0x0000000000080000-0x00000000000BA000-memory.dmp

Filesize
232KB

Download
memory/2508-19-0x0000000000080000-0x00000000000BA000-memory.dmp

Filesize
232KB

Download
memory/2508-18-0x0000000000080000-0x00000000000BA000-memory.dmp

Filesize
232KB

Download
memory/2508-22-0x0000000002050000-0x0000000002353000-memory.dmp

Filesize
3.0MB

Download
memory/2508-24-0x0000000000080000-0x00000000000BA000-memory.dmp

Filesize
232KB

Download
memory/2508-73-0x0000000061E00000-0x0000000061EED000-memory.dmp

Filesize
948KB

Download
memory/2508-26-0x0000000000340000-0x00000000003DA000-memory.dmp

Filesize
616KB

Download
memory/3064-13-0x00000000009A0000-0x00000000009DD000-memory.dmp

Filesize
244KB

Download
memory/3064-21-0x0000000000180000-0x000000000019B000-memory.dmp

Filesize
108KB

Download
memory/3064-20-0x00000000009A0000-0x00000000009DD000-memory.dmp

Filesize
244KB

Download
memory/3064-14-0x00000000009A0000-0x00000000009DD000-memory.dmp

Filesize
244KB

Download
memory/3064-15-0x0000000000180000-0x000000000019B000-memory.dmp

Filesize
108KB

Download
memory/3064-12-0x00000000009E0000-0x0000000000CE3000-memory.dmp

Filesize
3.0MB

Download
memory/3064-10-0x00000000009A0000-0x00000000009DD000-memory.dmp

Filesize
244KB

Download
memory/3064-9-0x00000000009A0000-0x00000000009DD000-memory.dmp

Filesize
244KB

Download

Analysis

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