redline | 7379bbd5a1cd0eb22a5dadc206074e2fc053692cd1e665cf569ddf9fa3b3fbcc

General

Target

WhatsApp/WhatsApp.exe
Size

700.0MB
MD5

eed6f462fa1726e08e0484b390ca06b0
SHA1

8e70784980600025bbc4fa69498e001c65455a8e
SHA256

658b0fd44002ad353d0cf9cb604e9b8cfcad04a3d221c5133bcf6872bca73577
SHA512

af67542f607afbe0f00de61c4d672b2736a375bd484d445cdd4c1e76407467babdb633849f16bbe411cd87f4194ba4024cdca82a1f8d58339c10d4c972903b9e
SSDEEP

12288:Fwe20JjM2oJNVmnWZQzjFeM6DJOjB9sTTHyW8PCVmGZqfOTP/cBtApi2b3r:FnRqVmnYQb6VOKyKg6b3r

Score

10^/10

redline ws-30 discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

WS-30

C2

38.91.100.57:32750

Attributes

auth_value
28ec3879b1ff499f6d9b6d3735d23e33

Signatures

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

RedLine payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1492-66-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/1492-67-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/1492-68-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/1492-69-0x000000000042211E-mapping.dmp	family_redline
behavioral1/memory/1492-71-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/1492-73-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline

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
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
Suspicious use of SetThreadContext 1 IoCs

Processes:

WhatsApp.exe

description pid process target process

PID 1052 set thread context of 1492 1052 WhatsApp.exe WhatsApp.exe
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 3 IoCs

Processes:

powershell.exeWhatsApp.exe

pid process

1104 powershell.exe
1492 WhatsApp.exe
1492 WhatsApp.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exeWhatsApp.exeWhatsApp.exe

description pid process

Token: SeDebugPrivilege 1104 powershell.exe
Token: SeDebugPrivilege 1052 WhatsApp.exe
Token: SeDebugPrivilege 1492 WhatsApp.exe

description	pid	process	target process
PID 1052 set thread context of 1492	1052	WhatsApp.exe	WhatsApp.exe

pid	process
1104	powershell.exe
1492	WhatsApp.exe
1492	WhatsApp.exe

description	pid	process
Token: SeDebugPrivilege	1104	powershell.exe
Token: SeDebugPrivilege	1052	WhatsApp.exe
Token: SeDebugPrivilege	1492	WhatsApp.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

WhatsApp.exe

description	pid	process	target process
PID 1052 wrote to memory of 1104	1052	WhatsApp.exe	powershell.exe
PID 1052 wrote to memory of 1104	1052	WhatsApp.exe	powershell.exe
PID 1052 wrote to memory of 1104	1052	WhatsApp.exe	powershell.exe
PID 1052 wrote to memory of 1104	1052	WhatsApp.exe	powershell.exe
PID 1052 wrote to memory of 1492	1052	WhatsApp.exe	WhatsApp.exe
PID 1052 wrote to memory of 1492	1052	WhatsApp.exe	WhatsApp.exe
PID 1052 wrote to memory of 1492	1052	WhatsApp.exe	WhatsApp.exe
PID 1052 wrote to memory of 1492	1052	WhatsApp.exe	WhatsApp.exe
PID 1052 wrote to memory of 1492	1052	WhatsApp.exe	WhatsApp.exe
PID 1052 wrote to memory of 1492	1052	WhatsApp.exe	WhatsApp.exe
PID 1052 wrote to memory of 1492	1052	WhatsApp.exe	WhatsApp.exe
PID 1052 wrote to memory of 1492	1052	WhatsApp.exe	WhatsApp.exe
PID 1052 wrote to memory of 1492	1052	WhatsApp.exe	WhatsApp.exe
PID 1052 wrote to memory of 1492	1052	WhatsApp.exe	WhatsApp.exe
PID 1052 wrote to memory of 1492	1052	WhatsApp.exe	WhatsApp.exe
PID 1052 wrote to memory of 1492	1052	WhatsApp.exe	WhatsApp.exe

C:\Users\Admin\AppData\Local\Temp\WhatsApp\WhatsApp.exe
"C:\Users\Admin\AppData\Local\Temp\WhatsApp\WhatsApp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1052

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1104

C:\Users\Admin\AppData\Local\Temp\WhatsApp\WhatsApp.exe
C:\Users\Admin\AppData\Local\Temp\WhatsApp\WhatsApp.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1492

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1052-54-0x0000000000BC0000-0x0000000000D5C000-memory.dmp

Filesize
1.6MB

Download
memory/1052-55-0x0000000004620000-0x00000000046CE000-memory.dmp

Filesize
696KB

Download
memory/1052-56-0x0000000076151000-0x0000000076153000-memory.dmp

Filesize
8KB

Download
memory/1052-57-0x0000000004D20000-0x0000000004DB2000-memory.dmp

Filesize
584KB

Download
memory/1104-58-0x0000000000000000-mapping.dmp

Download
memory/1104-60-0x000000006F780000-0x000000006FD2B000-memory.dmp

Filesize
5.7MB

Download
memory/1104-61-0x000000006F780000-0x000000006FD2B000-memory.dmp

Filesize
5.7MB

Download
memory/1104-62-0x000000006F780000-0x000000006FD2B000-memory.dmp

Filesize
5.7MB

Download
memory/1492-63-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1492-64-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1492-66-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1492-67-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1492-68-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1492-69-0x000000000042211E-mapping.dmp

Download
memory/1492-71-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1492-73-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

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