redline | 4f21d283e1fec9f76d4855d6dc903a18f356ee0f71334f8dc5780047a9f1ad86

General

Target

Pre Order July.js
Size

215KB
MD5

2e159cf4f5924625a4eaa85394878bf3
SHA1

9d5f3c428d9681fe05804b24bc38b6131c3bef19
SHA256

4f21d283e1fec9f76d4855d6dc903a18f356ee0f71334f8dc5780047a9f1ad86
SHA512

7fad1197e2c0f216e75986ba7044c1f02ebb01c8b2175ace3156a5d88f065b8c49da1ba3c2310200bd1bf9bb51b76a6a1f01cc4de8a73dc87dddd0443b7ba072

Score

10^/10

redline vjw0rm mr tt discovery infostealer persistence spyware stealer trojan worm

Malware Config

Extracted

Family

redline

Botnet

Mr TT

C2

45.138.16.233:1985

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 3 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\build.exe	family_redline
C:\Users\Admin\AppData\Local\Temp\build.exe	family_redline
behavioral2/memory/384-135-0x0000000000B20000-0x0000000000B3E000-memory.dmp	family_redline

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

Blocklisted process makes network request 16 IoCs

Processes:

wscript.exe

flow	pid	process
5	2932	wscript.exe
15	2932	wscript.exe
22	2932	wscript.exe
23	2932	wscript.exe
31	2932	wscript.exe
37	2932	wscript.exe
40	2932	wscript.exe
43	2932	wscript.exe
44	2932	wscript.exe
45	2932	wscript.exe
48	2932	wscript.exe
49	2932	wscript.exe
50	2932	wscript.exe
51	2932	wscript.exe
52	2932	wscript.exe
53	2932	wscript.exe

Executes dropped EXE 1 IoCs

Processes:

build.exe

pid process

384 build.exe

pid	process
384	build.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

Processes:

wscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 2 IoCs

Processes:

wscript.exe

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

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Roaming\\JnljuzseMt.js\""	wscript.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

build.exe

pid process

384 build.exe
384 build.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

build.exe

description pid process

Token: SeDebugPrivilege 384 build.exe

pid	process
384	build.exe
384	build.exe

description	pid	process
Token: SeDebugPrivilege	384	build.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 2348 wrote to memory of 2932	2348	wscript.exe	wscript.exe
PID 2348 wrote to memory of 2932	2348	wscript.exe	wscript.exe
PID 2348 wrote to memory of 384	2348	wscript.exe	build.exe
PID 2348 wrote to memory of 384	2348	wscript.exe	build.exe
PID 2348 wrote to memory of 384	2348	wscript.exe	build.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Pre Order July.js"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2348

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\JnljuzseMt.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:2932

C:\Users\Admin\AppData\Local\Temp\build.exe
"C:\Users\Admin\AppData\Local\Temp\build.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:384

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\build.exe
Filesize
95KB

MD5
c30ab843caae4b12e9aa920c4255d643

SHA1
b40641463c19ff90e81ac3429fd75f2c07551bd6

SHA256
f98805db5cd7a1efd80f8d7ff63da61892e738a659840a490e0fb41a05b364f7

SHA512
74ac72cde2e955d4579928c1570c8369e6c6be5a93294c8df9fb86868a615ef5bcc8b52dfa958ba11d185c175e404b100ee46bd89c184d5a610cce9a5f16c75d

Download Submit
C:\Users\Admin\AppData\Local\Temp\build.exe
Filesize
95KB

MD5
c30ab843caae4b12e9aa920c4255d643

SHA1
b40641463c19ff90e81ac3429fd75f2c07551bd6

SHA256
f98805db5cd7a1efd80f8d7ff63da61892e738a659840a490e0fb41a05b364f7

SHA512
74ac72cde2e955d4579928c1570c8369e6c6be5a93294c8df9fb86868a615ef5bcc8b52dfa958ba11d185c175e404b100ee46bd89c184d5a610cce9a5f16c75d

Download Submit
C:\Users\Admin\AppData\Roaming\JnljuzseMt.js
Filesize
17KB

MD5
9d7e8289bbdbe8e180ea8f34b27272df

SHA1
a8b81ca2f4f2d0d3860e1f89bb5b26b205f5c296

SHA256
8a7822ef6de75f7369f813589d517863961930d61b284a5b0825186e4e2a7f8b

SHA512
f30392ee5ee2b24bb0edc334e745c06d31b892b44aa8a1533ebb1364e92652f0a9b207bc7231b2c790416bf00017269f9056f52b3ac1c5955ffd3aca681541e2

Download Submit
memory/384-138-0x00000000053C0000-0x00000000053FC000-memory.dmp

Filesize
240KB

Download
memory/384-140-0x0000000006970000-0x0000000006B32000-memory.dmp

Filesize
1.8MB

Download
memory/384-135-0x0000000000B20000-0x0000000000B3E000-memory.dmp

Filesize
120KB

Download
memory/384-136-0x0000000005B00000-0x0000000006118000-memory.dmp

Filesize
6.1MB

Download
memory/384-137-0x0000000005360000-0x0000000005372000-memory.dmp

Filesize
72KB

Download
memory/384-146-0x0000000006F60000-0x0000000006F7E000-memory.dmp

Filesize
120KB

Download
memory/384-139-0x0000000005670000-0x000000000577A000-memory.dmp

Filesize
1.0MB

Download
memory/384-132-0x0000000000000000-mapping.dmp

Download
memory/384-141-0x0000000007070000-0x000000000759C000-memory.dmp

Filesize
5.2MB

Download
memory/384-142-0x0000000007B50000-0x00000000080F4000-memory.dmp

Filesize
5.6MB

Download
memory/384-143-0x0000000006B40000-0x0000000006BA6000-memory.dmp

Filesize
408KB

Download
memory/384-144-0x0000000006E30000-0x0000000006EA6000-memory.dmp

Filesize
472KB

Download
memory/384-145-0x0000000006FA0000-0x0000000007032000-memory.dmp

Filesize
584KB

Download
memory/2932-130-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads