redline | 661d2ed323c8703a7466774162972254589be4ab04abd6067d70ab44bc70d978

Resubmissions

23-09-2022 06:09

220923-gwlc1ahccl 10

23-09-2022 05:59

220923-gp5s3ahcbm 10

Analysis

max time kernel
63s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-09-2022 05:59

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General

Target

WhatsApp.exe
Size

700.0MB
MD5

76e4e31dd3e40ac6790c83fa48419a55
SHA1

f42363c9ca8325a47efd4f01f177702433d78ff8
SHA256

661d2ed323c8703a7466774162972254589be4ab04abd6067d70ab44bc70d978
SHA512

78ae771f67d5c1c66d2e8ffc1f3dd398b6cd87c6ee813e6108e0f0c8cdfb8cd656c82d3ec4fff7b9d9f84c31e0cfd00b613150bb6eb22ad942c00a5aed379b8e
SSDEEP

98304:NCDnyTWzDCidsFXGAtljN36bZfRE7Rtc/vNK3egPJP:N2qM+idivVNKbZfREVtc0PJP

Score

10^/10

redline ws-19 agilenet infostealer spyware

Malware Config

Extracted

Family

redline

Botnet

ws-19

38.91.100.57:32750

Attributes

auth_value
b8974207e31b05e60d39e04eba8eeb0b

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/1848-143-0x0000000000400000-0x0000000000428000-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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	WhatsApp.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral2/memory/3708-132-0x0000000000EC0000-0x00000000012B6000-memory.dmp	agile_net

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

Processes:

WhatsApp.exe

description pid process target process

PID 3708 set thread context of 1848 3708 WhatsApp.exe InstallUtil.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.exeInstallUtil.exe

pid process

3984 powershell.exe
3984 powershell.exe
3708 WhatsApp.exe
3708 WhatsApp.exe
1848 InstallUtil.exe
1848 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exeWhatsApp.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 3984 powershell.exe
Token: SeDebugPrivilege 3708 WhatsApp.exe
Token: SeDebugPrivilege 1848 InstallUtil.exe

description	pid	process	target process
PID 3708 set thread context of 1848	3708	WhatsApp.exe	InstallUtil.exe

pid	process
3984	powershell.exe
3984	powershell.exe
3708	WhatsApp.exe
3708	WhatsApp.exe
1848	InstallUtil.exe
1848	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	3984	powershell.exe
Token: SeDebugPrivilege	3708	WhatsApp.exe
Token: SeDebugPrivilege	1848	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

WhatsApp.exe

description	pid	process	target process
PID 3708 wrote to memory of 3984	3708	WhatsApp.exe	powershell.exe
PID 3708 wrote to memory of 3984	3708	WhatsApp.exe	powershell.exe
PID 3708 wrote to memory of 3984	3708	WhatsApp.exe	powershell.exe
PID 3708 wrote to memory of 1848	3708	WhatsApp.exe	InstallUtil.exe
PID 3708 wrote to memory of 1848	3708	WhatsApp.exe	InstallUtil.exe
PID 3708 wrote to memory of 1848	3708	WhatsApp.exe	InstallUtil.exe
PID 3708 wrote to memory of 1848	3708	WhatsApp.exe	InstallUtil.exe
PID 3708 wrote to memory of 1848	3708	WhatsApp.exe	InstallUtil.exe
PID 3708 wrote to memory of 1848	3708	WhatsApp.exe	InstallUtil.exe
PID 3708 wrote to memory of 1848	3708	WhatsApp.exe	InstallUtil.exe
PID 3708 wrote to memory of 1848	3708	WhatsApp.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\WhatsApp.exe
"C:\Users\Admin\AppData\Local\Temp\WhatsApp.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3708

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:3984

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1848

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1848-147-0x0000000005770000-0x00000000057AC000-memory.dmp

Filesize
240KB

Download
memory/1848-150-0x00000000070E0000-0x00000000072A2000-memory.dmp

Filesize
1.8MB

Download
memory/1848-143-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1848-142-0x0000000000000000-mapping.dmp

Download
memory/1848-152-0x0000000006990000-0x0000000006A06000-memory.dmp

Filesize
472KB

Download
memory/1848-151-0x00000000077E0000-0x0000000007D0C000-memory.dmp

Filesize
5.2MB

Download
memory/1848-145-0x00000000057E0000-0x00000000058EA000-memory.dmp

Filesize
1.0MB

Download
memory/1848-146-0x0000000005710000-0x0000000005722000-memory.dmp

Filesize
72KB

Download
memory/1848-144-0x0000000005CF0000-0x0000000006308000-memory.dmp

Filesize
6.1MB

Download
memory/1848-149-0x0000000006660000-0x00000000066F2000-memory.dmp

Filesize
584KB

Download
memory/1848-153-0x0000000006A10000-0x0000000006A60000-memory.dmp

Filesize
320KB

Download
memory/1848-148-0x0000000006B30000-0x00000000070D4000-memory.dmp

Filesize
5.6MB

Download
memory/3708-132-0x0000000000EC0000-0x00000000012B6000-memory.dmp

Filesize
4.0MB

Download
memory/3708-133-0x0000000005F10000-0x0000000005F32000-memory.dmp

Filesize
136KB

Download
memory/3984-138-0x0000000005ED0000-0x0000000005F36000-memory.dmp

Filesize
408KB

Download
memory/3984-140-0x0000000007CB0000-0x000000000832A000-memory.dmp

Filesize
6.5MB

Download
memory/3984-134-0x0000000000000000-mapping.dmp

Download
memory/3984-141-0x0000000006990000-0x00000000069AA000-memory.dmp

Filesize
104KB

Download
memory/3984-139-0x00000000064A0000-0x00000000064BE000-memory.dmp

Filesize
120KB

Download
memory/3984-137-0x0000000005770000-0x00000000057D6000-memory.dmp

Filesize
408KB

Download
memory/3984-136-0x00000000058A0000-0x0000000005EC8000-memory.dmp

Filesize
6.2MB

Download
memory/3984-135-0x0000000002EF0000-0x0000000002F26000-memory.dmp

Filesize
216KB

Download