redline | 5d4cd0ca70d224e17ba7f0c1a0a64cd68505d8ac10ffc23d96fba3ae166c60c8

General

Target

file1.exe
Size

1.8MB
MD5

ff791e2212ce12a8e334ce553857eb89
SHA1

1d76dc8f24fe839b8938a6c84fa55dfabaa10e39
SHA256

5d4cd0ca70d224e17ba7f0c1a0a64cd68505d8ac10ffc23d96fba3ae166c60c8
SHA512

559407e2d66ae8f5741fb38527b2f5ee98deaf13054226ca43f6bf00bb40380c8c8d5fc6a64d5640b7d72dc52a727ca3e6f5f71422147e63b1214a5193e15295

Score

10^/10

redline @ansdvsvsvd infostealer spyware

Malware Config

Extracted

Family

redline

Botnet

@ansdvsvsvd

C2

46.8.220.88:65531

Attributes

auth_value
d7b874c6650abbcb219b4f56f4676fee

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/2912-133-0x0000000000520000-0x0000000000540000-memory.dmp	family_redline

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

fl.exe

pid process

960 fl.exe
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:

fl.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation fl.exe
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:

file1.exe

description pid process target process

PID 4844 set thread context of 2912 4844 file1.exe AppLaunch.exe
Drops file in Program Files directory 1 IoCs

Processes:

fl.exe

description ioc process

File created C:\Program Files\Microsoft\updater.exe fl.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 5 IoCs

Processes:

AppLaunch.exepowershell.exepowershell.exe

pid process

2912 AppLaunch.exe
4984 powershell.exe
4984 powershell.exe
2892 powershell.exe
2892 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

AppLaunch.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2912 AppLaunch.exe
Token: SeDebugPrivilege 4984 powershell.exe
Token: SeDebugPrivilege 2892 powershell.exe

pid	process
960	fl.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	fl.exe

description	pid	process	target process
PID 4844 set thread context of 2912	4844	file1.exe	AppLaunch.exe

description	ioc	process
File created	C:\Program Files\Microsoft\updater.exe	fl.exe

pid	process
2912	AppLaunch.exe
4984	powershell.exe
4984	powershell.exe
2892	powershell.exe
2892	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2912	AppLaunch.exe
Token: SeDebugPrivilege	4984	powershell.exe
Token: SeDebugPrivilege	2892	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

file1.exeAppLaunch.exefl.exe

description	pid	process	target process
PID 4844 wrote to memory of 2912	4844	file1.exe	AppLaunch.exe
PID 4844 wrote to memory of 2912	4844	file1.exe	AppLaunch.exe
PID 4844 wrote to memory of 2912	4844	file1.exe	AppLaunch.exe
PID 4844 wrote to memory of 2912	4844	file1.exe	AppLaunch.exe
PID 4844 wrote to memory of 2912	4844	file1.exe	AppLaunch.exe
PID 2912 wrote to memory of 960	2912	AppLaunch.exe	fl.exe
PID 2912 wrote to memory of 960	2912	AppLaunch.exe	fl.exe
PID 960 wrote to memory of 4984	960	fl.exe	powershell.exe
PID 960 wrote to memory of 4984	960	fl.exe	powershell.exe
PID 960 wrote to memory of 2892	960	fl.exe	powershell.exe
PID 960 wrote to memory of 2892	960	fl.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\file1.exe
"C:\Users\Admin\AppData\Local\Temp\file1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4844

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2912

C:\Users\Admin\AppData\Local\Temp\fl.exe
"C:\Users\Admin\AppData\Local\Temp\fl.exe"
3⤵
- Executes dropped EXE
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:960

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath 'C:\Program Files'
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4984

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Public'
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2892

C:\Program Files\Microsoft\updater.exe
"C:\Program Files\Microsoft\updater.exe"
4⤵
PID:3932

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
2e907f77659a6601fcc408274894da2e

SHA1
9f5b72abef1cd7145bf37547cdb1b9254b4efe9d

SHA256
385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233

SHA512
34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721

Download Submit
C:\Users\Admin\AppData\Local\Temp\fl.exe
Filesize
1.1MB

MD5
7b7a0b682b1b4f7e242ace1553ef97d4

SHA1
7a37d78a141ca7dbb005b1dd6b9bfc08d04ddc03

SHA256
bfed632bd245e527cd5658637d8e33fc2cc5f9d07ecb9246909e34bd7243f76b

SHA512
575b01aa7bae475ef7545be5d0eabf6ea351dca7f763a090ae2f173b8e0f9f451499bbcf2aac581665bcb4f3a01f9410eb262e9e9da4b368eafe556c7fee4baf

Download Submit
C:\Users\Admin\AppData\Local\Temp\fl.exe
Filesize
1.1MB

MD5
7b7a0b682b1b4f7e242ace1553ef97d4

SHA1
7a37d78a141ca7dbb005b1dd6b9bfc08d04ddc03

SHA256
bfed632bd245e527cd5658637d8e33fc2cc5f9d07ecb9246909e34bd7243f76b

SHA512
575b01aa7bae475ef7545be5d0eabf6ea351dca7f763a090ae2f173b8e0f9f451499bbcf2aac581665bcb4f3a01f9410eb262e9e9da4b368eafe556c7fee4baf

Download Submit
memory/960-149-0x0000000000000000-mapping.dmp

Download
memory/2892-156-0x00007FFF99250000-0x00007FFF99D11000-memory.dmp

Filesize
10.8MB

Download
memory/2892-154-0x0000000000000000-mapping.dmp

Download
memory/2912-146-0x0000000005E60000-0x0000000005EC6000-memory.dmp

Filesize
408KB

Download
memory/2912-138-0x0000000005070000-0x0000000005688000-memory.dmp

Filesize
6.1MB

Download
memory/2912-143-0x00000000059C0000-0x0000000005A52000-memory.dmp

Filesize
584KB

Download
memory/2912-144-0x0000000006010000-0x00000000065B4000-memory.dmp

Filesize
5.6MB

Download
memory/2912-145-0x0000000005C60000-0x0000000005C7E000-memory.dmp

Filesize
120KB

Download
memory/2912-133-0x0000000000520000-0x0000000000540000-memory.dmp

Filesize
128KB

Download
memory/2912-147-0x00000000085C0000-0x0000000008782000-memory.dmp

Filesize
1.8MB

Download
memory/2912-148-0x0000000008CC0000-0x00000000091EC000-memory.dmp

Filesize
5.2MB

Download
memory/2912-141-0x0000000004B70000-0x0000000004BAC000-memory.dmp

Filesize
240KB

Download
memory/2912-140-0x0000000004C40000-0x0000000004D4A000-memory.dmp

Filesize
1.0MB

Download
memory/2912-139-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/2912-132-0x0000000000000000-mapping.dmp

Download
memory/2912-142-0x00000000058A0000-0x0000000005916000-memory.dmp

Filesize
472KB

Download
memory/4844-130-0x0000000000900000-0x0000000000ACC000-memory.dmp

Filesize
1.8MB

Download
memory/4844-131-0x0000000000900000-0x0000000000ACC000-memory.dmp

Filesize
1.8MB

Download
memory/4984-153-0x000002166C6B0000-0x000002166C6D2000-memory.dmp

Filesize
136KB

Download
memory/4984-155-0x00007FFF99250000-0x00007FFF99D11000-memory.dmp

Filesize
10.8MB

Download
memory/4984-152-0x0000000000000000-mapping.dmp

Download

Analysis

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