redline | 37b8dbef36614dcb5fd1adbc5475697dfa171f268610bcdc5edefa2946962582

General

Target

37b8dbef36614dcb5fd1adbc5475697dfa171f268610bcdc5edefa2946962582.exe
Size

1.1MB
MD5

c8fa3bab0dd39fd5d7cd2c7ea87c0065
SHA1

f72e7823079ce75859f123593239b18b5e01bff2
SHA256

37b8dbef36614dcb5fd1adbc5475697dfa171f268610bcdc5edefa2946962582
SHA512

3410e28379b1df8dcd01d24e1039da83e85fa530b40fdd2baea2f96912e517b5adaead2e81f2261a44ccbe9339f6a4b78a382a94745cd8c6703db9824c388734
SSDEEP

24576:Gy3pkwhVZoD+xTtmYEgWtr5FkxvHmc91TULv12dP/Wu2qjNJ:V3pkwhVZoKR8Dtr5FkhH71ILv12dW

Score

10^/10

redline doma discovery evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

doma

C2

185.161.248.75:4132

Attributes

auth_value
8be53af7f78567706928d0abef953ef4

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

Processes:

k7077322.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k7077322.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k7077322.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k7077322.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k7077322.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k7077322.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k7077322.exe

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

RedLine payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l2633105.exe	family_redline
behavioral1/memory/4492-56-0x0000000000990000-0x00000000009BA000-memory.dmp	family_redline

Redline family
redline
Executes dropped EXE 4 IoCs

Processes:

y7574255.exey3229504.exek7077322.exel2633105.exe

pid process

4828 y7574255.exe
1764 y3229504.exe
2064 k7077322.exe
4492 l2633105.exe

pid	process
4828	y7574255.exe
1764	y3229504.exe
2064	k7077322.exe
4492	l2633105.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

k7077322.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k7077322.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k7077322.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

37b8dbef36614dcb5fd1adbc5475697dfa171f268610bcdc5edefa2946962582.exey7574255.exey3229504.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	37b8dbef36614dcb5fd1adbc5475697dfa171f268610bcdc5edefa2946962582.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	y7574255.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	y3229504.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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

Processes:

y3229504.exek7077322.exel2633105.exe37b8dbef36614dcb5fd1adbc5475697dfa171f268610bcdc5edefa2946962582.exey7574255.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y3229504.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	k7077322.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	l2633105.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	37b8dbef36614dcb5fd1adbc5475697dfa171f268610bcdc5edefa2946962582.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y7574255.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

k7077322.exe

pid process

2064 k7077322.exe
2064 k7077322.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

k7077322.exe

description pid process

Token: SeDebugPrivilege 2064 k7077322.exe

pid	process
2064	k7077322.exe
2064	k7077322.exe

description	pid	process
Token: SeDebugPrivilege	2064	k7077322.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

37b8dbef36614dcb5fd1adbc5475697dfa171f268610bcdc5edefa2946962582.exey7574255.exey3229504.exe

description	pid	process	target process
PID 1956 wrote to memory of 4828	1956	37b8dbef36614dcb5fd1adbc5475697dfa171f268610bcdc5edefa2946962582.exe	y7574255.exe
PID 1956 wrote to memory of 4828	1956	37b8dbef36614dcb5fd1adbc5475697dfa171f268610bcdc5edefa2946962582.exe	y7574255.exe
PID 1956 wrote to memory of 4828	1956	37b8dbef36614dcb5fd1adbc5475697dfa171f268610bcdc5edefa2946962582.exe	y7574255.exe
PID 4828 wrote to memory of 1764	4828	y7574255.exe	y3229504.exe
PID 4828 wrote to memory of 1764	4828	y7574255.exe	y3229504.exe
PID 4828 wrote to memory of 1764	4828	y7574255.exe	y3229504.exe
PID 1764 wrote to memory of 2064	1764	y3229504.exe	k7077322.exe
PID 1764 wrote to memory of 2064	1764	y3229504.exe	k7077322.exe
PID 1764 wrote to memory of 2064	1764	y3229504.exe	k7077322.exe
PID 1764 wrote to memory of 4492	1764	y3229504.exe	l2633105.exe
PID 1764 wrote to memory of 4492	1764	y3229504.exe	l2633105.exe
PID 1764 wrote to memory of 4492	1764	y3229504.exe	l2633105.exe

C:\Users\Admin\AppData\Local\Temp\37b8dbef36614dcb5fd1adbc5475697dfa171f268610bcdc5edefa2946962582.exe
"C:\Users\Admin\AppData\Local\Temp\37b8dbef36614dcb5fd1adbc5475697dfa171f268610bcdc5edefa2946962582.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7574255.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7574255.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4828
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y3229504.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y3229504.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1764
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k7077322.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k7077322.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2064
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l2633105.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l2633105.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

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\IXP000.TMP\y7574255.exe

Filesize
748KB

MD5
09b5624b80f2c675492161fb0a10055d

SHA1
54b30f46fee5704d5882379199b6aa8473bc1476

SHA256
9036864c7065f4282f7a7f7c161d55d586f424efd98e705b3f63c6f88ec3353c

SHA512
88b2aeb744f4ab31225222460a7d8a7665aabf52049deb4fe39fddc56f809b99335ee6eff38a561b58af404267d7da77e6233e474ae5f65ea1b1fcab521481cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y3229504.exe

Filesize
304KB

MD5
7739295589efa350165f3c08689733a0

SHA1
aaa68b8e18e1d012836ff490d56697aaedb66303

SHA256
115431f36c3838466ce6498d279a94ccae0b07ee724248e99376d131b9e699c0

SHA512
d2e7cc89667295a3f2322547eecf3c349c4d34d41f87884cddbdad7554b96b2bb797b5d59dd85d3ed67082ffb94467ca62ab0e00b524aa47ae36ed468f0b26fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k7077322.exe

Filesize
183KB

MD5
75df6a4aaf5c63bc4f42ac5ec8ecc76a

SHA1
8d9da11aa11364c1b580b12faa446403f527ff83

SHA256
d1d13ff4eabb541a9cfc225beeb1c27d9cd85c8f9849e8d0fece0a4503c63f05

SHA512
72d34a4770cf9885993630f04e83831f4ded666af58cb705c7b1ca4cd7ca95911dec7247e4987c64afc13fee10bcf94fc913bd9a7790edb65c75b01a89bbe8fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l2633105.exe

Filesize
145KB

MD5
da6266352fa5480566dd3268de1ec825

SHA1
14a218f4c9ee0154d6a9192d766ad0437f655b14

SHA256
cbda751da69b0925af215b478d1dd8cf7d0f0725282573241bcbd50cf12f8b16

SHA512
998659e82f60c0d17f3d8a8e096d3299707c3a09b06ce1e1e8083c5ac76f460f89ff8c1d03f558ee3351ba0c4e8304981b133cdb9a77aec29c5dca96ae964d07

Download Submit
memory/2064-49-0x0000000002540000-0x0000000002556000-memory.dmp

Filesize
88KB

Download
memory/2064-33-0x0000000002540000-0x0000000002556000-memory.dmp

Filesize
88KB

Download
memory/2064-39-0x0000000002540000-0x0000000002556000-memory.dmp

Filesize
88KB

Download
memory/2064-22-0x0000000004C70000-0x0000000005214000-memory.dmp

Filesize
5.6MB

Download
memory/2064-47-0x0000000002540000-0x0000000002556000-memory.dmp

Filesize
88KB

Download
memory/2064-45-0x0000000002540000-0x0000000002556000-memory.dmp

Filesize
88KB

Download
memory/2064-43-0x0000000002540000-0x0000000002556000-memory.dmp

Filesize
88KB

Download
memory/2064-41-0x0000000002540000-0x0000000002556000-memory.dmp

Filesize
88KB

Download
memory/2064-51-0x0000000002540000-0x0000000002556000-memory.dmp

Filesize
88KB

Download
memory/2064-37-0x0000000002540000-0x0000000002556000-memory.dmp

Filesize
88KB

Download
memory/2064-35-0x0000000002540000-0x0000000002556000-memory.dmp

Filesize
88KB

Download
memory/2064-23-0x0000000002540000-0x000000000255C000-memory.dmp

Filesize
112KB

Download
memory/2064-29-0x0000000002540000-0x0000000002556000-memory.dmp

Filesize
88KB

Download
memory/2064-27-0x0000000002540000-0x0000000002556000-memory.dmp

Filesize
88KB

Download
memory/2064-25-0x0000000002540000-0x0000000002556000-memory.dmp

Filesize
88KB

Download
memory/2064-24-0x0000000002540000-0x0000000002556000-memory.dmp

Filesize
88KB

Download
memory/2064-31-0x0000000002540000-0x0000000002556000-memory.dmp

Filesize
88KB

Download
memory/2064-21-0x00000000020A0000-0x00000000020BE000-memory.dmp

Filesize
120KB

Download
memory/4492-56-0x0000000000990000-0x00000000009BA000-memory.dmp

Filesize
168KB

Download
memory/4492-57-0x00000000058E0000-0x0000000005EF8000-memory.dmp

Filesize
6.1MB

Download
memory/4492-58-0x0000000005460000-0x000000000556A000-memory.dmp

Filesize
1.0MB

Download
memory/4492-59-0x0000000005390000-0x00000000053A2000-memory.dmp

Filesize
72KB

Download
memory/4492-60-0x00000000053F0000-0x000000000542C000-memory.dmp

Filesize
240KB

Download
memory/4492-61-0x0000000005570000-0x00000000055BC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads