vjw0rm | 6ff88bf2296b946843af01f573fcef8ddcb4f2784a331cd97badf518e8f9e680

Analysis

max time kernel
4294211s
max time network
155s
platform
windows7_x64
resource
win7-20220311-en
submitted
17-03-2022 01:47

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General

Target

6ff88bf2296b946843af01f573fcef8ddcb4f2784a331cd97badf518e8f9e680.ps1
Size

4KB
MD5

2c0275283e4fbadda153bfc1749c3ef3
SHA1

bde10a92bff89b8ea0c3c72a81241774cbbe1541
SHA256

6ff88bf2296b946843af01f573fcef8ddcb4f2784a331cd97badf518e8f9e680
SHA512

ed4e27a46e6c54f214374e791bf346449280258462dc6fc3bfe22bf077bc22c71058721be5b75e27baaca156c341517dbc9d72e299245fdaf6cc119f3f652677

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

http://help-microsoft.dnslive.net:1166

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
Blocklisted process makes network request 3 IoCs

Processes:

powershell.exe

flow pid process

4 1888 powershell.exe
5 1888 powershell.exe
6 1888 powershell.exe
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

SecurityHealth.exeSecurityHealth.exe

pid process

1344 SecurityHealth.exe
1076 SecurityHealth.exe
Loads dropped DLL 1 IoCs

Processes:

powershell.exe

pid process

1912 powershell.exe

flow	pid	process
4	1888	powershell.exe
5	1888	powershell.exe
6	1888	powershell.exe

pid	process
1344	SecurityHealth.exe
1076	SecurityHealth.exe

pid	process
1912	powershell.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

SecurityHealth.exeSecurityHealth.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run	SecurityHealth.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run\2DFKGSARR8 = "\"C:\\ProgramData\\Twitter\\log\\system\\SecurityHealth.exe\""	SecurityHealth.exe
Key created	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run	SecurityHealth.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run\2DFKGSARR8 = "\"C:\\ProgramData\\Twitter\\log\\system\\SecurityHealth.exe\""	SecurityHealth.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1356 schtasks.exe
1104 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

pid process

1888 powershell.exe
1664 powershell.exe
1912 powershell.exe
1912 powershell.exe
1912 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1888 powershell.exe
Token: SeDebugPrivilege 1664 powershell.exe
Token: SeDebugPrivilege 1912 powershell.exe

pid	process
1356	schtasks.exe
1104	schtasks.exe

pid	process
1888	powershell.exe
1664	powershell.exe
1912	powershell.exe
1912	powershell.exe
1912	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1888	powershell.exe
Token: SeDebugPrivilege	1664	powershell.exe
Token: SeDebugPrivilege	1912	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

powershell.exepowershell.exeSecurityHealth.exetaskeng.exeSecurityHealth.exe

description	pid	process	target process
PID 1888 wrote to memory of 1664	1888	powershell.exe	powershell.exe
PID 1888 wrote to memory of 1664	1888	powershell.exe	powershell.exe
PID 1888 wrote to memory of 1664	1888	powershell.exe	powershell.exe
PID 1888 wrote to memory of 1912	1888	powershell.exe	powershell.exe
PID 1888 wrote to memory of 1912	1888	powershell.exe	powershell.exe
PID 1888 wrote to memory of 1912	1888	powershell.exe	powershell.exe
PID 1912 wrote to memory of 1344	1912	powershell.exe	SecurityHealth.exe
PID 1912 wrote to memory of 1344	1912	powershell.exe	SecurityHealth.exe
PID 1912 wrote to memory of 1344	1912	powershell.exe	SecurityHealth.exe
PID 1912 wrote to memory of 1344	1912	powershell.exe	SecurityHealth.exe
PID 1344 wrote to memory of 1356	1344	SecurityHealth.exe	schtasks.exe
PID 1344 wrote to memory of 1356	1344	SecurityHealth.exe	schtasks.exe
PID 1344 wrote to memory of 1356	1344	SecurityHealth.exe	schtasks.exe
PID 1636 wrote to memory of 1076	1636	taskeng.exe	SecurityHealth.exe
PID 1636 wrote to memory of 1076	1636	taskeng.exe	SecurityHealth.exe
PID 1636 wrote to memory of 1076	1636	taskeng.exe	SecurityHealth.exe
PID 1636 wrote to memory of 1076	1636	taskeng.exe	SecurityHealth.exe
PID 1076 wrote to memory of 1104	1076	SecurityHealth.exe	schtasks.exe
PID 1076 wrote to memory of 1104	1076	SecurityHealth.exe	schtasks.exe
PID 1076 wrote to memory of 1104	1076	SecurityHealth.exe	schtasks.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\6ff88bf2296b946843af01f573fcef8ddcb4f2784a331cd97badf518e8f9e680.ps1
1⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1888

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -NoLogo -WindowStyle hidden -ExecutionPolicy Unrestricted C:\Users\Public\Untitled.ps1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1664

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -NoLogo -WindowStyle hidden -ExecutionPolicy Unrestricted C:\Users\Public\like.ps1
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912

C:\ProgramData\Twitter\log\system\SecurityHealth.exe
"C:\ProgramData\Twitter\log\system\SecurityHealth.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1344

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 1 /tn Skype /tr "C:\ProgramData\Twitter\log\system\SecurityHealth.exe
4⤵
- Creates scheduled task(s)
PID:1356

C:\Windows\system32\taskeng.exe
taskeng.exe {0BEDED0F-3372-463F-82D3-0A40EA9E42FC} S-1-5-21-2199625441-3471261906-229485034-1000:DRLQIXCW\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1636

C:\ProgramData\Twitter\log\system\SecurityHealth.exe
C:\ProgramData\Twitter\log\system\SecurityHealth.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1076

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 1 /tn Skype /tr "C:\ProgramData\Twitter\log\system\SecurityHealth.exe
3⤵
- Creates scheduled task(s)
PID:1104

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\Twitter\log\system\SecurityHealth.exe
MD5
e8e4ea0f80c9ff49df07e9c1b119ba2a

SHA1
612deab27c7c0fd1bf21a2afe807da2fdf4c42e0

SHA256
062e98994d7579f0ec3c0f2932ee604c16fc98be0c771cb1498409e595ff1904

SHA512
bf7cc10726af050986b7b8dca68c99228c75acf68798af958cb48bdb9d77af8d424330cbfbae72f385cf4ae1f4f54035f820d23934034b88af915f6f7683b23e

Download Submit
C:\ProgramData\Twitter\log\system\SecurityHealth.exe
MD5
e8e4ea0f80c9ff49df07e9c1b119ba2a

SHA1
612deab27c7c0fd1bf21a2afe807da2fdf4c42e0

SHA256
062e98994d7579f0ec3c0f2932ee604c16fc98be0c771cb1498409e595ff1904

SHA512
bf7cc10726af050986b7b8dca68c99228c75acf68798af958cb48bdb9d77af8d424330cbfbae72f385cf4ae1f4f54035f820d23934034b88af915f6f7683b23e

Download Submit
C:\ProgramData\Twitter\log\system\SecurityHealth.exe
MD5
e8e4ea0f80c9ff49df07e9c1b119ba2a

SHA1
612deab27c7c0fd1bf21a2afe807da2fdf4c42e0

SHA256
062e98994d7579f0ec3c0f2932ee604c16fc98be0c771cb1498409e595ff1904

SHA512
bf7cc10726af050986b7b8dca68c99228c75acf68798af958cb48bdb9d77af8d424330cbfbae72f385cf4ae1f4f54035f820d23934034b88af915f6f7683b23e

Download Submit
C:\ProgramData\Twitter\log\system\SecurityHealth.exe.manifest
MD5
4fe2c92cbf50391693d4dac365d46553

SHA1
029fd15fea25c2419e4ec1f7f1015ea87faaa92e

SHA256
f56223f8841a2e832dae953f3801f5462070ed0c0f0526407ce77325c90e2c26

SHA512
041426e3aeab004dd57e8cb9758ce249714fd5a1e45a5db374d76796a4b29c09faf0224921b7742634cb872be96b61b693041cbb17643cb4f64f0edb35514466

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
MD5
65de4ef765e941c3a2cd0db4105dd614

SHA1
2e7efe7ca88f4a94d0f977e85e301b98e999e615

SHA256
1e40ba273ba851ee694eeed3b0cf4c1eccd77e3b72feadd1a0c732108f08bc1d

SHA512
7819313df8a687de5c53982294dbb4637016ca35b4c95303a22b3e2d176195195f60cb434d99edb47f760a2ffcc0e83e539351c6247b1b8385b23917d6b28298

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
MD5
05b2f4a71009d9e2b18130b09c3e274f

SHA1
f11d148fc96edcbaae12b40a6a4daf4c8666ef8a

SHA256
baae95f3f3c0deebc7174b8909b9cbcd790cebb2720390111f4e53aa952624f0

SHA512
15431e7ab74718644bb090a3c2aa837e2c01b2d22bd218cb8a1e6bf9391d6181d879836588f5047c94f58d7cb2dfc36e7639770be3da65c95199753e7aa9ab00

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
MD5
1f21021395075552a216c2e645072bbc

SHA1
5a56a4d37d33fad81f243995c31447e4c4a5cfbe

SHA256
908d57636237dd1cb16686961b4e9f50b24df9cc3897ad1786c56225f56b4adc

SHA512
ba7ec96d39b5be07bbd805c303d699f84accf2128a1d301d2782400415f21d74b5c37c850f0927fcebdb1c43d9420d38a0f856c77eaebd71749d76db92fdcd53

Download Submit
C:\Users\Public\like.ps1
MD5
041841f16c9cf05496948b5564ae662c

SHA1
54a21f53c32cb71104ed9b4333e0183de0ec16d5

SHA256
2af975634c3b24ee2c60d3821f309369c1036599c26777aa20e722058d7cd36b

SHA512
108c58bf4740766f304c197a214a793a06769c27a5390df81cdbf4fbdef94d4104c2cf832f00f9f07989c0a8a58fd46f4f85cac2172ff665ea2b0b9b5a75be25

Download Submit
\ProgramData\Twitter\log\system\SecurityHealth.exe
MD5
e8e4ea0f80c9ff49df07e9c1b119ba2a

SHA1
612deab27c7c0fd1bf21a2afe807da2fdf4c42e0

SHA256
062e98994d7579f0ec3c0f2932ee604c16fc98be0c771cb1498409e595ff1904

SHA512
bf7cc10726af050986b7b8dca68c99228c75acf68798af958cb48bdb9d77af8d424330cbfbae72f385cf4ae1f4f54035f820d23934034b88af915f6f7683b23e

Download Submit
memory/1076-89-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1344-81-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/1664-68-0x00000000027A2000-0x00000000027A4000-memory.dmp

Filesize
8KB

Download
memory/1664-66-0x00000000027A0000-0x00000000027A2000-memory.dmp

Filesize
8KB

Download
memory/1664-64-0x000007FEF29B0000-0x000007FEF350D000-memory.dmp

Filesize
11.4MB

Download
memory/1664-69-0x00000000027A4000-0x00000000027A7000-memory.dmp

Filesize
12KB

Download
memory/1664-70-0x00000000027AB000-0x00000000027CA000-memory.dmp

Filesize
124KB

Download
memory/1664-65-0x000007FEF4E20000-0x000007FEF57BD000-memory.dmp

Filesize
9.6MB

Download
memory/1664-67-0x000007FEF4E20000-0x000007FEF57BD000-memory.dmp

Filesize
9.6MB

Download
memory/1888-54-0x000007FEFB561000-0x000007FEFB563000-memory.dmp

Filesize
8KB

Download
memory/1888-60-0x00000000026B2000-0x00000000026B4000-memory.dmp

Filesize
8KB

Download
memory/1888-59-0x000007FEF4E20000-0x000007FEF57BD000-memory.dmp

Filesize
9.6MB

Download
memory/1888-56-0x000007FEF4E20000-0x000007FEF57BD000-memory.dmp

Filesize
9.6MB

Download
memory/1888-58-0x00000000026B0000-0x00000000026B2000-memory.dmp

Filesize
8KB

Download
memory/1888-55-0x000007FEF29B0000-0x000007FEF350D000-memory.dmp

Filesize
11.4MB

Download
memory/1888-61-0x00000000026B4000-0x00000000026B7000-memory.dmp

Filesize
12KB

Download
memory/1888-57-0x00000000026BB000-0x00000000026DA000-memory.dmp

Filesize
124KB

Download
memory/1912-73-0x000007FEF29B0000-0x000007FEF350D000-memory.dmp

Filesize
11.4MB

Download
memory/1912-85-0x000007FEF4E20000-0x000007FEF57BD000-memory.dmp

Filesize
9.6MB

Download
memory/1912-84-0x00000000027CB000-0x00000000027EA000-memory.dmp

Filesize
124KB

Download
memory/1912-83-0x00000000027C4000-0x00000000027C7000-memory.dmp

Filesize
12KB

Download
memory/1912-78-0x000007FEF4E20000-0x000007FEF57BD000-memory.dmp

Filesize
9.6MB

Download
memory/1912-82-0x00000000027C0000-0x00000000027C2000-memory.dmp

Filesize
8KB

Download
memory/1912-74-0x000000001B740000-0x000000001BA3F000-memory.dmp

Filesize
3.0MB

Download