redline | f8d62ab41ce1346a6b65b18bab3b87d35143ccdcf680628738c22817987efd70

General

Target

vvv.exe
Size

241KB
MD5

aca124c45a891c1ef397d8f417321b18
SHA1

df65ba744946b458692d3b9e8a7c751f5ce4905d
SHA256

f8d62ab41ce1346a6b65b18bab3b87d35143ccdcf680628738c22817987efd70
SHA512

979ddbe803c338022650aec8c1c9f90dbb0285e1c1cafcd0c2061bbb4e9ea73b01ecae8ee24da109d943d8a935a26281b595d5aa08e8b47133b12f1094f458d8
SSDEEP

6144:L7OMdwUrnuMego2pbulGRd63fU9U79ltVswVmv/8bD0N:L7OMd1rFslGGc9U7m

Score

10^/10

redline ytstealer crypt_cryptex infostealer spyware stealer upx

Malware Config

Extracted

Family

redline

Botnet

Crypt_Cryptex

C2

194.36.177.60:81

Attributes

auth_value
695fd213fb1982a368936f037db38e54

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/1968-134-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline

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

YTStealer payload 2 IoCs

resource	yara_rule
behavioral2/memory/4124-150-0x00000000000A0000-0x0000000000EB2000-memory.dmp	family_ytstealer
behavioral2/memory/4124-155-0x00000000000A0000-0x0000000000EB2000-memory.dmp	family_ytstealer

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
4124	22windows_64.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0006000000022e43-147.dat	upx
behavioral2/files/0x0006000000022e43-148.dat	upx
behavioral2/memory/4124-149-0x00000000000A0000-0x0000000000EB2000-memory.dmp	upx
behavioral2/memory/4124-150-0x00000000000A0000-0x0000000000EB2000-memory.dmp	upx
behavioral2/memory/4124-155-0x00000000000A0000-0x0000000000EB2000-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 4040 set thread context of 1968	4040	vvv.exe	82

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1968	vbc.exe
1968	vbc.exe
3772	powershell.exe
3772	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1968	vbc.exe
Token: SeDebugPrivilege	3772	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 1968	4040	vvv.exe	82
PID 4040 wrote to memory of 1968	4040	vvv.exe	82
PID 4040 wrote to memory of 1968	4040	vvv.exe	82
PID 4040 wrote to memory of 1968	4040	vvv.exe	82
PID 4040 wrote to memory of 1968	4040	vvv.exe	82
PID 4040 wrote to memory of 1968	4040	vvv.exe	82
PID 4040 wrote to memory of 1968	4040	vvv.exe	82
PID 4040 wrote to memory of 1968	4040	vvv.exe	82
PID 1968 wrote to memory of 4124	1968	vbc.exe	90
PID 1968 wrote to memory of 4124	1968	vbc.exe	90
PID 4124 wrote to memory of 3772	4124	22windows_64.exe	91
PID 4124 wrote to memory of 3772	4124	22windows_64.exe	91

C:\Users\Admin\AppData\Local\Temp\vvv.exe
"C:\Users\Admin\AppData\Local\Temp\vvv.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4040
- 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:1968
- - 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:4124
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell "" "Get-WmiObject Win32_PortConnector"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3772

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

Replay Monitor

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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/1968-144-0x0000000008A30000-0x0000000008AA6000-memory.dmp

Filesize
472KB

Download
memory/1968-136-0x0000000007FA0000-0x00000000080AA000-memory.dmp

Filesize
1.0MB

Download
memory/1968-145-0x00000000086B0000-0x0000000008700000-memory.dmp

Filesize
320KB

Download
memory/1968-137-0x0000000007EF0000-0x0000000007F02000-memory.dmp

Filesize
72KB

Download
memory/1968-138-0x0000000007F50000-0x0000000007F8C000-memory.dmp

Filesize
240KB

Download
memory/1968-139-0x00000000083D0000-0x0000000008436000-memory.dmp

Filesize
408KB

Download
memory/1968-140-0x0000000009050000-0x00000000095F4000-memory.dmp

Filesize
5.6MB

Download
memory/1968-141-0x00000000084F0000-0x0000000008582000-memory.dmp

Filesize
584KB

Download
memory/1968-143-0x0000000009B30000-0x000000000A05C000-memory.dmp

Filesize
5.2MB

Download
memory/1968-134-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1968-135-0x0000000006610000-0x0000000006C28000-memory.dmp

Filesize
6.1MB

Download
memory/1968-142-0x0000000008760000-0x0000000008922000-memory.dmp

Filesize
1.8MB

Download
memory/3772-152-0x000002DDFDAA0000-0x000002DDFDAC2000-memory.dmp

Filesize
136KB

Download
memory/3772-153-0x00007FFF39730000-0x00007FFF3A1F1000-memory.dmp

Filesize
10.8MB

Download
memory/3772-154-0x00007FFF39730000-0x00007FFF3A1F1000-memory.dmp

Filesize
10.8MB

Download
memory/4040-132-0x0000000000B20000-0x0000000000B62000-memory.dmp

Filesize
264KB

Download
memory/4124-155-0x00000000000A0000-0x0000000000EB2000-memory.dmp

Filesize
14.1MB

Download
memory/4124-149-0x00000000000A0000-0x0000000000EB2000-memory.dmp

Filesize
14.1MB

Download
memory/4124-150-0x00000000000A0000-0x0000000000EB2000-memory.dmp

Filesize
14.1MB

Download

Analysis

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