vjw0rm | e97df359d8f26fcd593a5316e33cb9e683cf837cd84eca3c7e9f8a70e055885d

General

Target

DTQ112.js
Size

383KB
MD5

85645d678a8f223d8f51b378d1be3dd7
SHA1

0c74da21bca5af61794c8ed4ecc2e184238b33f5
SHA256

e97df359d8f26fcd593a5316e33cb9e683cf837cd84eca3c7e9f8a70e055885d
SHA512

6b09e33c62bf92058d59d61d6c6a5c066d6e045247dd0122174eff287c367b35ccc537f213f6b9959ffa61f7531c8cba046266b238a94ff43523286640f3ea5c
SSDEEP

6144:rI7O6VBbM1UcEHy5rqRs23QfpbX90vXdfPFhxAVSCE4:GcH5rqyIi90PdHFhxw1E4

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 16 IoCs

flow	pid	Process
4	1080	wscript.exe
5	1080	wscript.exe
6	1080	wscript.exe
9	1080	wscript.exe
14	984	msiexec.exe
15	1080	wscript.exe
18	1080	wscript.exe
23	1080	wscript.exe
25	1080	wscript.exe
29	1080	wscript.exe
36	1080	wscript.exe
41	1080	wscript.exe
46	1080	wscript.exe
52	1080	wscript.exe
57	1080	wscript.exe
58	1080	wscript.exe

Executes dropped EXE 1 IoCs

pid	Process
1648	bin.exe

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-1-5-21-3385717845-2518323428-350143044-1000\Control Panel\International\Geo\Nation	bin.exe

Drops startup file 2 IoCs

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

Loads dropped DLL 1 IoCs

pid	Process
984	msiexec.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1648 set thread context of 1272	1648	bin.exe	16
PID 984 set thread context of 1272	984	msiexec.exe	16

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

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-1-5-21-3385717845-2518323428-350143044-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msiexec.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
1648	bin.exe
1648	bin.exe
1648	bin.exe
1648	bin.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1272	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1648	bin.exe
1648	bin.exe
1648	bin.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe
984	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1648	bin.exe
Token: SeDebugPrivilege	984	msiexec.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 1080	1228	wscript.exe	28
PID 1228 wrote to memory of 1080	1228	wscript.exe	28
PID 1228 wrote to memory of 1080	1228	wscript.exe	28
PID 1228 wrote to memory of 1648	1228	wscript.exe	29
PID 1228 wrote to memory of 1648	1228	wscript.exe	29
PID 1228 wrote to memory of 1648	1228	wscript.exe	29
PID 1228 wrote to memory of 1648	1228	wscript.exe	29
PID 1272 wrote to memory of 984	1272	Explorer.EXE	33
PID 1272 wrote to memory of 984	1272	Explorer.EXE	33
PID 1272 wrote to memory of 984	1272	Explorer.EXE	33
PID 1272 wrote to memory of 984	1272	Explorer.EXE	33
PID 1272 wrote to memory of 984	1272	Explorer.EXE	33
PID 1272 wrote to memory of 984	1272	Explorer.EXE	33
PID 1272 wrote to memory of 984	1272	Explorer.EXE	33
PID 984 wrote to memory of 1388	984	msiexec.exe	35
PID 984 wrote to memory of 1388	984	msiexec.exe	35
PID 984 wrote to memory of 1388	984	msiexec.exe	35
PID 984 wrote to memory of 1388	984	msiexec.exe	35
PID 984 wrote to memory of 1388	984	msiexec.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Windows\system32\wscript.exe
  wscript.exe C:\Users\Admin\AppData\Local\Temp\DTQ112.js
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1228
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\WuPDXzESAy.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    PID:1080
- - C:\Users\Admin\AppData\Local\Temp\bin.exe
    "C:\Users\Admin\AppData\Local\Temp\bin.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1648
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:984
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1388

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
185KB

MD5
f9fdfca55156f35ea48a17947d091f4d

SHA1
15f10040cf10535deed5ca028150ed847a585d01

SHA256
7258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0

SHA512
53caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302

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

Filesize
185KB

MD5
f9fdfca55156f35ea48a17947d091f4d

SHA1
15f10040cf10535deed5ca028150ed847a585d01

SHA256
7258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0

SHA512
53caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302

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

Filesize
18KB

MD5
729bb7bd9776f8fd965be4bf94a3809a

SHA1
52ea0f24856743b71acde3ea34e7b91bcf32e6ec

SHA256
f2e2a03ac56f6698481b44b442d2ee91ee0522f23ca5d21c9e23de061c7a8e28

SHA512
4deeca4514770a78c384c4ec3ed0cf5d1f82cf20336fc2769f85903d8d3b7db1b472d726e8ff45e139da37b6c4caff54be6e407c56bfe603828ab17b17d8f996

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

Filesize
1.1MB

MD5
f55e5766477de5997da50f12c9c74c91

SHA1
4dc98900a887be95411f07b9e597c57bdc7dbab3

SHA256
90be88984ee60864256378c952d44b13d55ac032ab6a7b8c698885176bcece69

SHA512
983417a297e68b58fbd1c07fed7a1697d249110a2c10644b2dc96e3facedd3fbfbcac6a7809631ffd62894f02cadd4d3e62022b9e5e026e5bf434f1eb1878f05

Download Submit
memory/984-65-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download
memory/984-70-0x0000000001F70000-0x0000000001FFF000-memory.dmp

Filesize
572KB

Download
memory/984-69-0x0000000002110000-0x0000000002413000-memory.dmp

Filesize
3.0MB

Download
memory/984-68-0x00000000000D0000-0x00000000000FD000-memory.dmp

Filesize
180KB

Download
memory/984-67-0x0000000000B50000-0x0000000000B64000-memory.dmp

Filesize
80KB

Download
memory/1080-59-0x000007FEFB9C1000-0x000007FEFB9C3000-memory.dmp

Filesize
8KB

Download
memory/1272-62-0x0000000004F30000-0x0000000005027000-memory.dmp

Filesize
988KB

Download
memory/1272-71-0x0000000003CA0000-0x0000000003D61000-memory.dmp

Filesize
772KB

Download
memory/1272-73-0x0000000003CA0000-0x0000000003D61000-memory.dmp

Filesize
772KB

Download
memory/1648-64-0x0000000000F00000-0x0000000000F2F000-memory.dmp

Filesize
188KB

Download
memory/1648-61-0x00000000000E0000-0x00000000000F0000-memory.dmp

Filesize
64KB

Download
memory/1648-60-0x0000000000730000-0x0000000000A33000-memory.dmp

Filesize
3.0MB

Download
memory/1648-58-0x0000000000F00000-0x0000000000F2F000-memory.dmp

Filesize
188KB

Download

Analysis

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