redline | b85140d8f018b50554acd3fedf3750d878aca1dbf58b3157b30209e361764736

General

Target

HEEX-SO010483.exe
Size

594KB
MD5

39c7a9eb89bfd37f75b680390e556709
SHA1

a05349b8760937693077cff5887444e1b20b6b19
SHA256

c96a4929bbf67a9c4dca1da11d932a3ff8a4e0702933aa30c3835559f6771d0c
SHA512

11394ab6dd63e2ecf68c407fb93a820aa926c7ca76812f68a8d0a3984297e41f91408192f86e67f3990005e251c13d67fff9046579ed0b6a30d28f0dc9109f85
SSDEEP

12288:gXbZRm+GBCij769yptQkM2V4LNS8bMNKV0t76ih/:cbZRmjdVCj2MSbNKEx

Score

10^/10

redline sectoprat client discovery execution infostealer rat trojan

Malware Config

Extracted

Family

redline

Botnet

client

C2

104.243.33.119:300

Signatures

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

RedLine payload 5 IoCs

resource	yara_rule
behavioral1/memory/2644-26-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/2644-28-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/2644-27-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/2644-21-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/2644-23-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline

Redline family
redline
SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
trojan rat sectoprat

SectopRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2644-26-0x0000000000400000-0x000000000041E000-memory.dmp	family_sectoprat
behavioral1/memory/2644-28-0x0000000000400000-0x000000000041E000-memory.dmp	family_sectoprat
behavioral1/memory/2644-27-0x0000000000400000-0x000000000041E000-memory.dmp	family_sectoprat
behavioral1/memory/2644-21-0x0000000000400000-0x000000000041E000-memory.dmp	family_sectoprat
behavioral1/memory/2644-23-0x0000000000400000-0x000000000041E000-memory.dmp	family_sectoprat

Sectoprat family
sectoprat

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2744	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3048 set thread context of 2644	3048	HEEX-SO010483.exe	36

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HEEX-SO010483.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HEEX-SO010483.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3056	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3048	HEEX-SO010483.exe
3048	HEEX-SO010483.exe
3048	HEEX-SO010483.exe
3048	HEEX-SO010483.exe
2744	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	HEEX-SO010483.exe
Token: SeDebugPrivilege	2744	powershell.exe
Token: SeDebugPrivilege	2644	HEEX-SO010483.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2744	3048	HEEX-SO010483.exe	31
PID 3048 wrote to memory of 2744	3048	HEEX-SO010483.exe	31
PID 3048 wrote to memory of 2744	3048	HEEX-SO010483.exe	31
PID 3048 wrote to memory of 2744	3048	HEEX-SO010483.exe	31
PID 3048 wrote to memory of 3056	3048	HEEX-SO010483.exe	32
PID 3048 wrote to memory of 3056	3048	HEEX-SO010483.exe	32
PID 3048 wrote to memory of 3056	3048	HEEX-SO010483.exe	32
PID 3048 wrote to memory of 3056	3048	HEEX-SO010483.exe	32
PID 3048 wrote to memory of 2624	3048	HEEX-SO010483.exe	35
PID 3048 wrote to memory of 2624	3048	HEEX-SO010483.exe	35
PID 3048 wrote to memory of 2624	3048	HEEX-SO010483.exe	35
PID 3048 wrote to memory of 2624	3048	HEEX-SO010483.exe	35
PID 3048 wrote to memory of 2644	3048	HEEX-SO010483.exe	36
PID 3048 wrote to memory of 2644	3048	HEEX-SO010483.exe	36
PID 3048 wrote to memory of 2644	3048	HEEX-SO010483.exe	36
PID 3048 wrote to memory of 2644	3048	HEEX-SO010483.exe	36
PID 3048 wrote to memory of 2644	3048	HEEX-SO010483.exe	36
PID 3048 wrote to memory of 2644	3048	HEEX-SO010483.exe	36
PID 3048 wrote to memory of 2644	3048	HEEX-SO010483.exe	36
PID 3048 wrote to memory of 2644	3048	HEEX-SO010483.exe	36
PID 3048 wrote to memory of 2644	3048	HEEX-SO010483.exe	36

C:\Users\Admin\AppData\Local\Temp\HEEX-SO010483.exe
"C:\Users\Admin\AppData\Local\Temp\HEEX-SO010483.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WSUtfLQsbKPKNU.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2744
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WSUtfLQsbKPKNU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp65E4.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3056
- C:\Users\Admin\AppData\Local\Temp\HEEX-SO010483.exe
  "C:\Users\Admin\AppData\Local\Temp\HEEX-SO010483.exe"
  2⤵
  PID:2624
- C:\Users\Admin\AppData\Local\Temp\HEEX-SO010483.exe
  "C:\Users\Admin\AppData\Local\Temp\HEEX-SO010483.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp65E4.tmp

Filesize
1KB

MD5
e7e4d76d6be6773a18102e1f400427ef

SHA1
88834939449006b534d36a0917d239a380cc640d

SHA256
c13fe9dc2f6a27cdd979ebb533de4a303e5ad4b8825f7f403b436936cec9ebc3

SHA512
daf4e73d3548f9a2bbfbe4ef0da2770a5e1465966817f651b0e458c10bde24231c5e3b5c7addc6ead574128fc0ed26518efe905186b67b498cbe1bc7dcfabfc7

Download Submit
memory/2644-23-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2644-19-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2644-21-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2644-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-27-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2644-28-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2644-26-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2644-17-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3048-5-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/3048-16-0x0000000004A10000-0x0000000004A2E000-memory.dmp

Filesize
120KB

Download
memory/3048-8-0x0000000007EB0000-0x0000000007F2A000-memory.dmp

Filesize
488KB

Download
memory/3048-7-0x0000000000470000-0x000000000047C000-memory.dmp

Filesize
48KB

Download
memory/3048-6-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/3048-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/3048-4-0x0000000000370000-0x000000000038A000-memory.dmp

Filesize
104KB

Download
memory/3048-3-0x0000000004950000-0x0000000004A0E000-memory.dmp

Filesize
760KB

Download
memory/3048-2-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/3048-1-0x00000000012C0000-0x000000000135A000-memory.dmp

Filesize
616KB

Download
memory/3048-29-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads