redline | c31382b24d3f3ed0cf2873aeb3bc2510ca7869a1ff64a55b48ccf8a7145b9493

General

Target

file.exe
Size

361KB
MD5

d84842f7912d62c8e9f44c8a11cb3cc0
SHA1

2e42c24f7e4b5917664621deea56a2646497a3ce
SHA256

c31382b24d3f3ed0cf2873aeb3bc2510ca7869a1ff64a55b48ccf8a7145b9493
SHA512

772f9e6cf0dd5970c58212fddfb2e214582472ee21a28855700bec714d71b07d8ab66a7ef681b1b6b3c35958b76be01f6bb110d9b0a9c5b716a6a6f82defb4cd
SSDEEP

6144:LoKpw8+J7IA2IWkKUpJFEtNDqO1fa5maeB7QtG9Pvn277hnlTpYGIrQ2+gFlA:Ly7oIWwpAb7i5maeB7QtG9Pvn277hnl/

Score

10^/10

redline 4 discovery evasion infostealer spyware stealer trojan

Malware Config

Extracted

Family

redline

Botnet

4

C2

79.110.62.196:26277

Attributes

auth_value
e48cb0b64e920bb1a534eba5b2912707

Signatures

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

RedLine payload 1 IoCs

resource	yara_rule
behavioral1/memory/1664-54-0x00000000013B0000-0x0000000001410000-memory.dmp	family_redline

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Updater.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
920	Updater.exe
1124	oobeldr.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Updater.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Updater.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	oobeldr.exe

Loads dropped DLL 1 IoCs

pid	Process
1664	file.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

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Updater.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
920	Updater.exe
1124	oobeldr.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1756	schtasks.exe
2028	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1664	file.exe
1664	file.exe
920	Updater.exe
1124	oobeldr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1664	file.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 920	1664	file.exe	29
PID 1664 wrote to memory of 920	1664	file.exe	29
PID 1664 wrote to memory of 920	1664	file.exe	29
PID 1664 wrote to memory of 920	1664	file.exe	29
PID 1664 wrote to memory of 920	1664	file.exe	29
PID 1664 wrote to memory of 920	1664	file.exe	29
PID 1664 wrote to memory of 920	1664	file.exe	29
PID 920 wrote to memory of 1756	920	Updater.exe	30
PID 920 wrote to memory of 1756	920	Updater.exe	30
PID 920 wrote to memory of 1756	920	Updater.exe	30
PID 920 wrote to memory of 1756	920	Updater.exe	30
PID 1968 wrote to memory of 1124	1968	taskeng.exe	33
PID 1968 wrote to memory of 1124	1968	taskeng.exe	33
PID 1968 wrote to memory of 1124	1968	taskeng.exe	33
PID 1968 wrote to memory of 1124	1968	taskeng.exe	33
PID 1124 wrote to memory of 2028	1124	oobeldr.exe	34
PID 1124 wrote to memory of 2028	1124	oobeldr.exe	34
PID 1124 wrote to memory of 2028	1124	oobeldr.exe	34
PID 1124 wrote to memory of 2028	1124	oobeldr.exe	34

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Users\Admin\AppData\Local\Temp\Updater.exe
  "C:\Users\Admin\AppData\Local\Temp\Updater.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Executes dropped EXE
  - Checks BIOS information in registry
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:920
- - C:\Windows\SysWOW64\schtasks.exe
    /C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
    3⤵
    - Creates scheduled task(s)
    PID:1756

C:\Windows\system32\taskeng.exe
taskeng.exe {62D8B61E-F6C9-4E09-AF67-DF1B08208AE0} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Executes dropped EXE
  - Checks BIOS information in registry
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1124
- - C:\Windows\SysWOW64\schtasks.exe
    /C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
    3⤵
    - Creates scheduled task(s)
    PID:2028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

1

T1497

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\Updater.exe

Filesize
2.8MB

MD5
ecfae3cc8a7ba2e4681a378864658af6

SHA1
a84beb327be022f600aed467c2029b4301756dca

SHA256
20239b724322bdef1aa4adbdfaa03a90d1f18a5b3b8bcfb16dec10a5823ac0fd

SHA512
33ce30cdcfb7b86cdd86e3f9ba7ff97ea168001eca76e0c05f14555a25ce200f2e661b03e8ab762b4a9330bfd794b6366912768a4cce7f88c60c9a2a5717abda

Download Submit
C:\Users\Admin\AppData\Local\Temp\Updater.exe

Filesize
2.8MB

MD5
ecfae3cc8a7ba2e4681a378864658af6

SHA1
a84beb327be022f600aed467c2029b4301756dca

SHA256
20239b724322bdef1aa4adbdfaa03a90d1f18a5b3b8bcfb16dec10a5823ac0fd

SHA512
33ce30cdcfb7b86cdd86e3f9ba7ff97ea168001eca76e0c05f14555a25ce200f2e661b03e8ab762b4a9330bfd794b6366912768a4cce7f88c60c9a2a5717abda

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
2.8MB

MD5
ecfae3cc8a7ba2e4681a378864658af6

SHA1
a84beb327be022f600aed467c2029b4301756dca

SHA256
20239b724322bdef1aa4adbdfaa03a90d1f18a5b3b8bcfb16dec10a5823ac0fd

SHA512
33ce30cdcfb7b86cdd86e3f9ba7ff97ea168001eca76e0c05f14555a25ce200f2e661b03e8ab762b4a9330bfd794b6366912768a4cce7f88c60c9a2a5717abda

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
2.8MB

MD5
ecfae3cc8a7ba2e4681a378864658af6

SHA1
a84beb327be022f600aed467c2029b4301756dca

SHA256
20239b724322bdef1aa4adbdfaa03a90d1f18a5b3b8bcfb16dec10a5823ac0fd

SHA512
33ce30cdcfb7b86cdd86e3f9ba7ff97ea168001eca76e0c05f14555a25ce200f2e661b03e8ab762b4a9330bfd794b6366912768a4cce7f88c60c9a2a5717abda

Download Submit
\Users\Admin\AppData\Local\Temp\Updater.exe

Filesize
2.8MB

MD5
ecfae3cc8a7ba2e4681a378864658af6

SHA1
a84beb327be022f600aed467c2029b4301756dca

SHA256
20239b724322bdef1aa4adbdfaa03a90d1f18a5b3b8bcfb16dec10a5823ac0fd

SHA512
33ce30cdcfb7b86cdd86e3f9ba7ff97ea168001eca76e0c05f14555a25ce200f2e661b03e8ab762b4a9330bfd794b6366912768a4cce7f88c60c9a2a5717abda

Download Submit
memory/920-65-0x0000000000080000-0x000000000053C000-memory.dmp

Filesize
4.7MB

Download
memory/920-62-0x0000000077170000-0x00000000772F0000-memory.dmp

Filesize
1.5MB

Download
memory/920-61-0x0000000000080000-0x000000000053C000-memory.dmp

Filesize
4.7MB

Download
memory/920-66-0x0000000077170000-0x00000000772F0000-memory.dmp

Filesize
1.5MB

Download
memory/1124-74-0x0000000001350000-0x000000000180C000-memory.dmp

Filesize
4.7MB

Download
memory/1124-77-0x0000000001350000-0x000000000180C000-memory.dmp

Filesize
4.7MB

Download
memory/1124-76-0x0000000077170000-0x00000000772F0000-memory.dmp

Filesize
1.5MB

Download
memory/1124-75-0x0000000001350000-0x000000000180C000-memory.dmp

Filesize
4.7MB

Download
memory/1124-71-0x0000000001350000-0x000000000180C000-memory.dmp

Filesize
4.7MB

Download
memory/1124-72-0x0000000077170000-0x00000000772F0000-memory.dmp

Filesize
1.5MB

Download
memory/1664-54-0x00000000013B0000-0x0000000001410000-memory.dmp

Filesize
384KB

Download
memory/1664-55-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/1664-56-0x0000000075981000-0x0000000075983000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads