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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2116-146-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline

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:

WhatsApp.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation WhatsApp.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
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 4032 set thread context of 2116 4032 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 6 IoCs

Processes:

powershell.exeWhatsApp.exeWhatsApp.exe

pid process

3616 powershell.exe
3616 powershell.exe
4032 WhatsApp.exe
4032 WhatsApp.exe
2116 WhatsApp.exe
2116 WhatsApp.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exeWhatsApp.exeWhatsApp.exe

description pid process

Token: SeDebugPrivilege 3616 powershell.exe
Token: SeDebugPrivilege 4032 WhatsApp.exe
Token: SeDebugPrivilege 2116 WhatsApp.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	WhatsApp.exe

description	pid	process	target process
PID 4032 set thread context of 2116	4032	WhatsApp.exe	WhatsApp.exe

pid	process
3616	powershell.exe
3616	powershell.exe
4032	WhatsApp.exe
4032	WhatsApp.exe
2116	WhatsApp.exe
2116	WhatsApp.exe

description	pid	process
Token: SeDebugPrivilege	3616	powershell.exe
Token: SeDebugPrivilege	4032	WhatsApp.exe
Token: SeDebugPrivilege	2116	WhatsApp.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

WhatsApp.exe

description	pid	process	target process
PID 4032 wrote to memory of 3616	4032	WhatsApp.exe	powershell.exe
PID 4032 wrote to memory of 3616	4032	WhatsApp.exe	powershell.exe
PID 4032 wrote to memory of 3616	4032	WhatsApp.exe	powershell.exe
PID 4032 wrote to memory of 1820	4032	WhatsApp.exe	WhatsApp.exe
PID 4032 wrote to memory of 1820	4032	WhatsApp.exe	WhatsApp.exe
PID 4032 wrote to memory of 1820	4032	WhatsApp.exe	WhatsApp.exe
PID 4032 wrote to memory of 2116	4032	WhatsApp.exe	WhatsApp.exe
PID 4032 wrote to memory of 2116	4032	WhatsApp.exe	WhatsApp.exe
PID 4032 wrote to memory of 2116	4032	WhatsApp.exe	WhatsApp.exe
PID 4032 wrote to memory of 2116	4032	WhatsApp.exe	WhatsApp.exe
PID 4032 wrote to memory of 2116	4032	WhatsApp.exe	WhatsApp.exe
PID 4032 wrote to memory of 2116	4032	WhatsApp.exe	WhatsApp.exe
PID 4032 wrote to memory of 2116	4032	WhatsApp.exe	WhatsApp.exe
PID 4032 wrote to memory of 2116	4032	WhatsApp.exe	WhatsApp.exe

C:\Users\Admin\AppData\Local\Temp\WhatsApp\WhatsApp.exe
"C:\Users\Admin\AppData\Local\Temp\WhatsApp\WhatsApp.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4032

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:3616

C:\Users\Admin\AppData\Local\Temp\WhatsApp\WhatsApp.exe
C:\Users\Admin\AppData\Local\Temp\WhatsApp\WhatsApp.exe
2⤵
PID:1820

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:2116

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

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\WhatsApp.exe.log
Filesize
1KB

MD5
7200fb09b34d23375c2cff85323af4a4

SHA1
0994a0ab70a6f6c8c45b4664bed926779fbd5c2e

SHA256
e065d81294bae8c8404e57ce5d9d4db68472cefac1469e49f2e73671a4315e15

SHA512
417451e2279b9f1861d317edd8a517a7bb6d1e505c23fb89a16662059d23fbd789223b061ea73217d2042a2221f998c093928a28fd6d8054f53fa174f5dd02de

Download Submit
memory/1820-144-0x0000000000000000-mapping.dmp

Download
memory/2116-150-0x0000000005520000-0x0000000005532000-memory.dmp

Filesize
72KB

Download
memory/2116-155-0x0000000006D70000-0x0000000006DC0000-memory.dmp

Filesize
320KB

Download
memory/2116-145-0x0000000000000000-mapping.dmp

Download
memory/2116-154-0x0000000007090000-0x0000000007106000-memory.dmp

Filesize
472KB

Download
memory/2116-153-0x00000000074C0000-0x00000000079EC000-memory.dmp

Filesize
5.2MB

Download
memory/2116-152-0x0000000006DC0000-0x0000000006F82000-memory.dmp

Filesize
1.8MB

Download
memory/2116-151-0x0000000005700000-0x000000000573C000-memory.dmp

Filesize
240KB

Download
memory/2116-149-0x00000000055F0000-0x00000000056FA000-memory.dmp

Filesize
1.0MB

Download
memory/2116-146-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2116-148-0x0000000005A70000-0x0000000006088000-memory.dmp

Filesize
6.1MB

Download
memory/3616-136-0x0000000004D00000-0x0000000005328000-memory.dmp

Filesize
6.2MB

Download
memory/3616-135-0x0000000002200000-0x0000000002236000-memory.dmp

Filesize
216KB

Download
memory/3616-141-0x0000000006050000-0x000000000606A000-memory.dmp

Filesize
104KB

Download
memory/3616-140-0x00000000071A0000-0x000000000781A000-memory.dmp

Filesize
6.5MB

Download
memory/3616-139-0x0000000005AB0000-0x0000000005ACE000-memory.dmp

Filesize
120KB

Download
memory/3616-138-0x00000000054E0000-0x0000000005546000-memory.dmp

Filesize
408KB

Download
memory/3616-137-0x0000000004C80000-0x0000000004CE6000-memory.dmp

Filesize
408KB

Download
memory/3616-134-0x0000000000000000-mapping.dmp

Download
memory/4032-142-0x0000000006520000-0x00000000065B2000-memory.dmp

Filesize
584KB

Download
memory/4032-133-0x0000000005E20000-0x0000000005E42000-memory.dmp

Filesize
136KB

Download
memory/4032-143-0x00000000254F0000-0x0000000025A94000-memory.dmp

Filesize
5.6MB

Download
memory/4032-132-0x0000000000FD0000-0x000000000116C000-memory.dmp

Filesize
1.6MB

Download

Analysis

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