redline | 2b4ca982b85f2bfa0bb6acbdd9454fb95a5019e3feda1c56cd9d6a0772e808c5

General

Target

2b4ca982b85f2bfa0bb6acbdd9454fb95a5019e3feda1c56cd9d6a0772e808c5.exe
Size

1.1MB
MD5

51c91a3cfb2315c3e4f4a839dccc477a
SHA1

55551645e40877766557c42519800e91c1258114
SHA256

2b4ca982b85f2bfa0bb6acbdd9454fb95a5019e3feda1c56cd9d6a0772e808c5
SHA512

888ef9e7f49686e204b481fd0cd25d1fb52789fcac642de755a4d26691fe1de11c4f0b1d85475823baf4e1d6a921795748fb77360958a2f661b30bd2ef7bbd9a
SSDEEP

24576:6yrwrEcHqa3zjK1XegFkfe8rhjsyofLO/VSXnqyn3UQ1bhz2gDo/NK:BcJHqC2kgFkf3rhjvhSnH3UCbhVDUN

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

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k6595984.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k6595984.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k6595984.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k6595984.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k6595984.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k6595984.exe

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

RedLine payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0007000000023c98-54.dat	family_redline
behavioral1/memory/3636-56-0x00000000004D0000-0x00000000004FA000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
1500	y1708062.exe
5116	y6498817.exe
4080	k6595984.exe
3636	l2972848.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k6595984.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k6595984.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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\\\""	2b4ca982b85f2bfa0bb6acbdd9454fb95a5019e3feda1c56cd9d6a0772e808c5.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\\\""	y1708062.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\\\""	y6498817.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	l2972848.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2b4ca982b85f2bfa0bb6acbdd9454fb95a5019e3feda1c56cd9d6a0772e808c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y1708062.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y6498817.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	k6595984.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4080	k6595984.exe
4080	k6595984.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4080	k6595984.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 1500	2696	2b4ca982b85f2bfa0bb6acbdd9454fb95a5019e3feda1c56cd9d6a0772e808c5.exe	83
PID 2696 wrote to memory of 1500	2696	2b4ca982b85f2bfa0bb6acbdd9454fb95a5019e3feda1c56cd9d6a0772e808c5.exe	83
PID 2696 wrote to memory of 1500	2696	2b4ca982b85f2bfa0bb6acbdd9454fb95a5019e3feda1c56cd9d6a0772e808c5.exe	83
PID 1500 wrote to memory of 5116	1500	y1708062.exe	84
PID 1500 wrote to memory of 5116	1500	y1708062.exe	84
PID 1500 wrote to memory of 5116	1500	y1708062.exe	84
PID 5116 wrote to memory of 4080	5116	y6498817.exe	86
PID 5116 wrote to memory of 4080	5116	y6498817.exe	86
PID 5116 wrote to memory of 4080	5116	y6498817.exe	86
PID 5116 wrote to memory of 3636	5116	y6498817.exe	95
PID 5116 wrote to memory of 3636	5116	y6498817.exe	95
PID 5116 wrote to memory of 3636	5116	y6498817.exe	95

C:\Users\Admin\AppData\Local\Temp\2b4ca982b85f2bfa0bb6acbdd9454fb95a5019e3feda1c56cd9d6a0772e808c5.exe
"C:\Users\Admin\AppData\Local\Temp\2b4ca982b85f2bfa0bb6acbdd9454fb95a5019e3feda1c56cd9d6a0772e808c5.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1708062.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1708062.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1500
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y6498817.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y6498817.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5116
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k6595984.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k6595984.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:4080
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l2972848.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l2972848.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3636

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\y1708062.exe

Filesize
749KB

MD5
097f91a27378ae299bf8c569f55cc784

SHA1
117ccf0668342e86f8999f4c6ee85b4edfbc19a2

SHA256
ed1fcef866d1f508536e4deb389f42bbca380323ac9d11930f9dc0aff78f0741

SHA512
243899497218617964a9e053effd577dabc7978bafb00e4ad1233e497f3c63ebbec8a1f926a010fd0d6791a2c6d4885b448f1f4f95973846eb8964dee1edf77d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y6498817.exe

Filesize
304KB

MD5
01a0eed625203c459223e5c79e3ce626

SHA1
e01a6e1a61125c0dcf8b0ac72bfa0bf08128ba6a

SHA256
f5af53ae94eacee93fa0889eae1c42dfc5e735ccead1ef7f99dc08a81f5ad6c2

SHA512
5e1d83a3e62af01cd5b8aec0b7947cc6c96104b07cd2ba6076dd93480146f1a50655a5ddfe4d187d78dab238d251a89ca73921d9a4cee3e07873e8659eb84cc5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k6595984.exe

Filesize
183KB

MD5
75df6a4aaf5c63bc4f42ac5ec8ecc76a

SHA1
8d9da11aa11364c1b580b12faa446403f527ff83

SHA256
d1d13ff4eabb541a9cfc225beeb1c27d9cd85c8f9849e8d0fece0a4503c63f05

SHA512
72d34a4770cf9885993630f04e83831f4ded666af58cb705c7b1ca4cd7ca95911dec7247e4987c64afc13fee10bcf94fc913bd9a7790edb65c75b01a89bbe8fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l2972848.exe

Filesize
145KB

MD5
dfdeec012818d35919faf277f25b5ec7

SHA1
da7f759fddce87aab9f8d8f4b3286a43c7d5f450

SHA256
f6638cd569f0f6e302b5c1337c8f01edb8dd0d40dd9b280e12b6005ddd6e13ce

SHA512
82a69b99060629f9dd81d11e684b2d89f3f95a0c2cc38f1186c4065d0bfb73d3ec0a107339ff123456cef0e7f7e1cc6f94a1eee0670b67f978d25441f6546600

Download Submit
memory/3636-61-0x0000000004F70000-0x0000000004FBC000-memory.dmp

Filesize
304KB

Download
memory/3636-60-0x0000000004E00000-0x0000000004E3C000-memory.dmp

Filesize
240KB

Download
memory/3636-59-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

Filesize
72KB

Download
memory/3636-58-0x0000000004E60000-0x0000000004F6A000-memory.dmp

Filesize
1.0MB

Download
memory/3636-57-0x0000000005300000-0x0000000005918000-memory.dmp

Filesize
6.1MB

Download
memory/3636-56-0x00000000004D0000-0x00000000004FA000-memory.dmp

Filesize
168KB

Download
memory/4080-49-0x0000000002370000-0x0000000002386000-memory.dmp

Filesize
88KB

Download
memory/4080-25-0x0000000002370000-0x0000000002386000-memory.dmp

Filesize
88KB

Download
memory/4080-39-0x0000000002370000-0x0000000002386000-memory.dmp

Filesize
88KB

Download
memory/4080-37-0x0000000002370000-0x0000000002386000-memory.dmp

Filesize
88KB

Download
memory/4080-35-0x0000000002370000-0x0000000002386000-memory.dmp

Filesize
88KB

Download
memory/4080-33-0x0000000002370000-0x0000000002386000-memory.dmp

Filesize
88KB

Download
memory/4080-31-0x0000000002370000-0x0000000002386000-memory.dmp

Filesize
88KB

Download
memory/4080-29-0x0000000002370000-0x0000000002386000-memory.dmp

Filesize
88KB

Download
memory/4080-27-0x0000000002370000-0x0000000002386000-memory.dmp

Filesize
88KB

Download
memory/4080-41-0x0000000002370000-0x0000000002386000-memory.dmp

Filesize
88KB

Download
memory/4080-24-0x0000000002370000-0x0000000002386000-memory.dmp

Filesize
88KB

Download
memory/4080-44-0x0000000002370000-0x0000000002386000-memory.dmp

Filesize
88KB

Download
memory/4080-46-0x0000000002370000-0x0000000002386000-memory.dmp

Filesize
88KB

Download
memory/4080-47-0x0000000002370000-0x0000000002386000-memory.dmp

Filesize
88KB

Download
memory/4080-51-0x0000000002370000-0x0000000002386000-memory.dmp

Filesize
88KB

Download
memory/4080-23-0x0000000002370000-0x000000000238C000-memory.dmp

Filesize
112KB

Download
memory/4080-22-0x00000000049B0000-0x0000000004F54000-memory.dmp

Filesize
5.6MB

Download
memory/4080-21-0x0000000002240000-0x000000000225E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads