redline | 3d568dc9ee07bf5ebe9314d2aea822b1bf4de89110e7c027e151bde134b35ba5

General

Target

qqq.exe
Size

841KB
MD5

79a24a331ec7b5d3b1cf688cc64d995a
SHA1

bbd5cf02858f30b4bb329b0a12c4d844656d11f3
SHA256

3d568dc9ee07bf5ebe9314d2aea822b1bf4de89110e7c027e151bde134b35ba5
SHA512

2e68f0549682f70fa692ba5f69fbcc458da4726cf965f70331318408d1e5307dc08a33ba5798a3d4c521b2cc0c7da36f041a6547bc2c80e09936cb8f4aadb546
SSDEEP

24576:AFejHjpj47GLpGLMMMHMMMvMMZMMMKzbKXOMMHMMMvMMZMMMKzbKX7GLMMMHMMM3:AEjDpj4qMMHMMMvMMZMMMFOMMHMMMvMf

Score

10^/10

redline ytstealer crypt_cryptex_v1 infostealer spyware stealer upx

Malware Config

Extracted

Family

redline

Botnet

Crypt_Cryptex_V1

C2

194.36.177.60:81

Attributes

auth_value
d8f662f9a9589a3ffdce7a16109ab9b7

Signatures

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

RedLine payload 1 IoCs

resource	yara_rule
behavioral2/memory/2404-134-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline

YTStealer
YTStealer is a malware designed to steal YouTube authentication cookies.
stealer ytstealer

YTStealer payload 3 IoCs

resource	yara_rule
behavioral2/memory/3532-149-0x0000000000860000-0x0000000001672000-memory.dmp	family_ytstealer
behavioral2/memory/3532-150-0x0000000000860000-0x0000000001672000-memory.dmp	family_ytstealer
behavioral2/memory/3532-154-0x0000000000860000-0x0000000001672000-memory.dmp	family_ytstealer

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
3532	22windows_64.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0006000000022e3c-147.dat	upx
behavioral2/files/0x0006000000022e3c-148.dat	upx
behavioral2/memory/3532-149-0x0000000000860000-0x0000000001672000-memory.dmp	upx
behavioral2/memory/3532-150-0x0000000000860000-0x0000000001672000-memory.dmp	upx
behavioral2/memory/3532-154-0x0000000000860000-0x0000000001672000-memory.dmp	upx

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
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4580 set thread context of 2404	4580	qqq.exe	82

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2404	vbc.exe
2404	vbc.exe
4712	powershell.exe
4712	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2404	vbc.exe
Token: SeDebugPrivilege	4712	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4580 wrote to memory of 2404	4580	qqq.exe	82
PID 4580 wrote to memory of 2404	4580	qqq.exe	82
PID 4580 wrote to memory of 2404	4580	qqq.exe	82
PID 4580 wrote to memory of 2404	4580	qqq.exe	82
PID 4580 wrote to memory of 2404	4580	qqq.exe	82
PID 4580 wrote to memory of 2404	4580	qqq.exe	82
PID 4580 wrote to memory of 2404	4580	qqq.exe	82
PID 4580 wrote to memory of 2404	4580	qqq.exe	82
PID 2404 wrote to memory of 3532	2404	vbc.exe	89
PID 2404 wrote to memory of 3532	2404	vbc.exe	89
PID 3532 wrote to memory of 4712	3532	22windows_64.exe	91
PID 3532 wrote to memory of 4712	3532	22windows_64.exe	91

C:\Users\Admin\AppData\Local\Temp\qqq.exe
"C:\Users\Admin\AppData\Local\Temp\qqq.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4580
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2404
- - C:\Users\Admin\AppData\Local\Temp\22windows_64.exe
    "C:\Users\Admin\AppData\Local\Temp\22windows_64.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:3532
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell "" "Get-WmiObject Win32_PortConnector"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4712

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\22windows_64.exe

Filesize
4.0MB

MD5
eaaad4f36853f423ee62272e125708ff

SHA1
71c045b6a66fef5dd1f20faefbce8df88c890788

SHA256
1901ae31080f9b8f7c419290eab011086a00355a0451e9f634f545f771753901

SHA512
05292ae056faf45359b62d8feb6926c1144623e997df0893b9a74e423b84761f2ab6e3786c7fc5d7784e3ae9bff7c2e21166cbb7723f6315538357e674587431

Download Submit
C:\Users\Admin\AppData\Local\Temp\22windows_64.exe

Filesize
4.0MB

MD5
eaaad4f36853f423ee62272e125708ff

SHA1
71c045b6a66fef5dd1f20faefbce8df88c890788

SHA256
1901ae31080f9b8f7c419290eab011086a00355a0451e9f634f545f771753901

SHA512
05292ae056faf45359b62d8feb6926c1144623e997df0893b9a74e423b84761f2ab6e3786c7fc5d7784e3ae9bff7c2e21166cbb7723f6315538357e674587431

Download Submit
memory/2404-144-0x0000000009290000-0x0000000009306000-memory.dmp

Filesize
472KB

Download
memory/2404-136-0x0000000006380000-0x000000000648A000-memory.dmp

Filesize
1.0MB

Download
memory/2404-145-0x0000000009310000-0x0000000009360000-memory.dmp

Filesize
320KB

Download
memory/2404-137-0x00000000061F0000-0x0000000006202000-memory.dmp

Filesize
72KB

Download
memory/2404-138-0x0000000006250000-0x000000000628C000-memory.dmp

Filesize
240KB

Download
memory/2404-139-0x0000000008CC0000-0x0000000008D26000-memory.dmp

Filesize
408KB

Download
memory/2404-140-0x0000000008DD0000-0x0000000008E62000-memory.dmp

Filesize
584KB

Download
memory/2404-141-0x0000000009420000-0x00000000099C4000-memory.dmp

Filesize
5.6MB

Download
memory/2404-143-0x0000000009F00000-0x000000000A42C000-memory.dmp

Filesize
5.2MB

Download
memory/2404-134-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2404-135-0x0000000006550000-0x0000000006B68000-memory.dmp

Filesize
6.1MB

Download
memory/2404-142-0x0000000009040000-0x0000000009202000-memory.dmp

Filesize
1.8MB

Download
memory/3532-149-0x0000000000860000-0x0000000001672000-memory.dmp

Filesize
14.1MB

Download
memory/3532-150-0x0000000000860000-0x0000000001672000-memory.dmp

Filesize
14.1MB

Download
memory/3532-154-0x0000000000860000-0x0000000001672000-memory.dmp

Filesize
14.1MB

Download
memory/4580-132-0x0000000000DF0000-0x0000000000EC6000-memory.dmp

Filesize
856KB

Download
memory/4712-155-0x00007FFC9EDA0000-0x00007FFC9F861000-memory.dmp

Filesize
10.8MB

Download
memory/4712-152-0x000001E1A1D40000-0x000001E1A1D62000-memory.dmp

Filesize
136KB

Download
memory/4712-153-0x00007FFC9EDA0000-0x00007FFC9F861000-memory.dmp

Filesize
10.8MB

Download

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