redline | 2d241ce3d2981c29545a11c13ec0ecd7e021759d35dea0c762bb0c63bb1b555d

General

Target

chrom.exe
Size

3.9MB
MD5

d60909eb4d445d948740877e759b7b83
SHA1

dc8a672358fa25efbcefb5e4074aab7acdb413a6
SHA256

2d241ce3d2981c29545a11c13ec0ecd7e021759d35dea0c762bb0c63bb1b555d
SHA512

d10292ff78b4e14569d8b96170d0da905b1beb45a1bd76ff7fe7d43b5b72ef079bae7ce68c01759f46b5fb4fc60d367c1cc78fbc676b3adca947f45f58c18242
SSDEEP

98304:FvJ7zh1f+X5wDg+kkq/0j+TdWRRsuwaxhYDU4PQv2Vph2XpR:RPl+XWkkqMaTdWb0aDv2VpC

Score

10^/10

redline ytstealer crypt_mastif discovery infostealer spyware stealer upx

Malware Config

Extracted

Family

redline

Botnet

Crypt_Mastif

C2

194.36.177.60:81

Attributes

auth_value
26018289184445b16046125f5e616df6

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/956-67-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/956-68-0x00000000004221FA-mapping.dmp	family_redline
behavioral1/memory/956-66-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/956-65-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/956-70-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline
behavioral1/memory/956-72-0x0000000000400000-0x0000000000428000-memory.dmp	family_redline

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

YTStealer payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/548-78-0x0000000001390000-0x00000000021A2000-memory.dmp	family_ytstealer
behavioral1/memory/548-79-0x0000000001390000-0x00000000021A2000-memory.dmp	family_ytstealer

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

22windows_64.exe

pid process

548 22windows_64.exe

pid	process
548	22windows_64.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\22windows_64.exe	upx
C:\Users\Admin\AppData\Local\Temp\22windows_64.exe	upx
\Users\Admin\AppData\Local\Temp\22windows_64.exe	upx
behavioral1/memory/548-78-0x0000000001390000-0x00000000021A2000-memory.dmp	upx
behavioral1/memory/548-79-0x0000000001390000-0x00000000021A2000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

chrom.exe

pid process

956 chrom.exe
956 chrom.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:

chrom.exe

description pid process target process

PID 864 set thread context of 956 864 chrom.exe chrom.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
956	chrom.exe
956	chrom.exe

description	pid	process	target process
PID 864 set thread context of 956	864	chrom.exe	chrom.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

chrom.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	chrom.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	chrom.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exechrom.exe

pid process

1744 powershell.exe
956 chrom.exe
956 chrom.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exechrom.exechrom.exe

description pid process

Token: SeDebugPrivilege 1744 powershell.exe
Token: SeDebugPrivilege 864 chrom.exe
Token: SeDebugPrivilege 956 chrom.exe

pid	process
1744	powershell.exe
956	chrom.exe
956	chrom.exe

description	pid	process
Token: SeDebugPrivilege	1744	powershell.exe
Token: SeDebugPrivilege	864	chrom.exe
Token: SeDebugPrivilege	956	chrom.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

chrom.exechrom.exe

description	pid	process	target process
PID 864 wrote to memory of 1744	864	chrom.exe	powershell.exe
PID 864 wrote to memory of 1744	864	chrom.exe	powershell.exe
PID 864 wrote to memory of 1744	864	chrom.exe	powershell.exe
PID 864 wrote to memory of 1744	864	chrom.exe	powershell.exe
PID 864 wrote to memory of 956	864	chrom.exe	chrom.exe
PID 864 wrote to memory of 956	864	chrom.exe	chrom.exe
PID 864 wrote to memory of 956	864	chrom.exe	chrom.exe
PID 864 wrote to memory of 956	864	chrom.exe	chrom.exe
PID 864 wrote to memory of 956	864	chrom.exe	chrom.exe
PID 864 wrote to memory of 956	864	chrom.exe	chrom.exe
PID 864 wrote to memory of 956	864	chrom.exe	chrom.exe
PID 864 wrote to memory of 956	864	chrom.exe	chrom.exe
PID 864 wrote to memory of 956	864	chrom.exe	chrom.exe
PID 956 wrote to memory of 548	956	chrom.exe	22windows_64.exe
PID 956 wrote to memory of 548	956	chrom.exe	22windows_64.exe
PID 956 wrote to memory of 548	956	chrom.exe	22windows_64.exe
PID 956 wrote to memory of 548	956	chrom.exe	22windows_64.exe

C:\Users\Admin\AppData\Local\Temp\chrom.exe
"C:\Users\Admin\AppData\Local\Temp\chrom.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:864
- 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:1744
- C:\Users\Admin\AppData\Local\Temp\chrom.exe
  C:\Users\Admin\AppData\Local\Temp\chrom.exe
  2⤵
  - Loads dropped DLL
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:956
- - C:\Users\Admin\AppData\Local\Temp\22windows_64.exe
    "C:\Users\Admin\AppData\Local\Temp\22windows_64.exe"
    3⤵
    - Executes dropped EXE
    PID:548

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

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

Command and Control

Exfiltration

Impact

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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
\Users\Admin\AppData\Local\Temp\22windows_64.exe

Filesize
4.0MB

MD5
eaaad4f36853f423ee62272e125708ff

SHA1
71c045b6a66fef5dd1f20faefbce8df88c890788

SHA256
1901ae31080f9b8f7c419290eab011086a00355a0451e9f634f545f771753901

SHA512
05292ae056faf45359b62d8feb6926c1144623e997df0893b9a74e423b84761f2ab6e3786c7fc5d7784e3ae9bff7c2e21166cbb7723f6315538357e674587431

Download Submit
\Users\Admin\AppData\Local\Temp\22windows_64.exe

Filesize
4.0MB

MD5
eaaad4f36853f423ee62272e125708ff

SHA1
71c045b6a66fef5dd1f20faefbce8df88c890788

SHA256
1901ae31080f9b8f7c419290eab011086a00355a0451e9f634f545f771753901

SHA512
05292ae056faf45359b62d8feb6926c1144623e997df0893b9a74e423b84761f2ab6e3786c7fc5d7784e3ae9bff7c2e21166cbb7723f6315538357e674587431

Download Submit
memory/548-79-0x0000000001390000-0x00000000021A2000-memory.dmp

Filesize
14.1MB

Download
memory/548-78-0x0000000001390000-0x00000000021A2000-memory.dmp

Filesize
14.1MB

Download
memory/548-76-0x0000000000000000-mapping.dmp

Download
memory/864-54-0x0000000000940000-0x0000000000D26000-memory.dmp

Filesize
3.9MB

Download
memory/864-55-0x0000000000800000-0x00000000008B6000-memory.dmp

Filesize
728KB

Download
memory/864-56-0x0000000076321000-0x0000000076323000-memory.dmp

Filesize
8KB

Download
memory/864-57-0x00000000023D0000-0x0000000002462000-memory.dmp

Filesize
584KB

Download
memory/956-68-0x00000000004221FA-mapping.dmp

Download
memory/956-66-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/956-65-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/956-70-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/956-72-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/956-67-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/956-63-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/956-62-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1744-61-0x000000006F760000-0x000000006FD0B000-memory.dmp

Filesize
5.7MB

Download
memory/1744-60-0x000000006F760000-0x000000006FD0B000-memory.dmp

Filesize
5.7MB

Download
memory/1744-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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