redline | c538730e4a76a33af6e56ffcd8fde615fa5003ce7164dbb0527fd38924659ed2

General

Target

c538730e4a76a33af6e56ffcd8fde615fa5003ce7164dbb0527fd38924659ed2.exe
Size

1.1MB
MD5

734d5c6de2a90c1cb9a277de49c6056b
SHA1

2703adb2643c72a0b6e70f7eeb11fc8e73539776
SHA256

c538730e4a76a33af6e56ffcd8fde615fa5003ce7164dbb0527fd38924659ed2
SHA512

af3cb918843239781f147114601d7129f767dd409d9f1a8361644f905c2378f8f5ec999baeefce3858d64a48f00d9b0ed2629041f7230b83f75d3cceb0acb840
SSDEEP

24576:qyFuSgO9UAl3jfiFkDnWKR2Fh6n8vze+5D/dgL6L4KnadU5g:xFu1O9UOjfiFkDWKILe+5D+L68KnaG

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:

k2465319.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k2465319.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k2465319.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k2465319.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k2465319.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k2465319.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k2465319.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
behavioral1/files/0x0007000000023ceb-54.dat	family_redline
behavioral1/memory/4628-56-0x0000000000D90000-0x0000000000DBA000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

Processes:

y1601082.exey6193474.exek2465319.exel9581358.exe

pid	Process
4092	y1601082.exe
2156	y6193474.exe
1860	k2465319.exe
4628	l9581358.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

k2465319.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k2465319.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k2465319.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

y6193474.exec538730e4a76a33af6e56ffcd8fde615fa5003ce7164dbb0527fd38924659ed2.exey1601082.exe

description	ioc	Process
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\\\""	y6193474.exe
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\\\""	c538730e4a76a33af6e56ffcd8fde615fa5003ce7164dbb0527fd38924659ed2.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\\\""	y1601082.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:

y6193474.exek2465319.exel9581358.exec538730e4a76a33af6e56ffcd8fde615fa5003ce7164dbb0527fd38924659ed2.exey1601082.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y6193474.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	k2465319.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	l9581358.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c538730e4a76a33af6e56ffcd8fde615fa5003ce7164dbb0527fd38924659ed2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y1601082.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

k2465319.exe

pid	Process
1860	k2465319.exe
1860	k2465319.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

k2465319.exe

description	pid	Process
Token: SeDebugPrivilege	1860	k2465319.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

c538730e4a76a33af6e56ffcd8fde615fa5003ce7164dbb0527fd38924659ed2.exey1601082.exey6193474.exe

description	pid	Process	procid_target
PID 2252 wrote to memory of 4092	2252	c538730e4a76a33af6e56ffcd8fde615fa5003ce7164dbb0527fd38924659ed2.exe	85
PID 2252 wrote to memory of 4092	2252	c538730e4a76a33af6e56ffcd8fde615fa5003ce7164dbb0527fd38924659ed2.exe	85
PID 2252 wrote to memory of 4092	2252	c538730e4a76a33af6e56ffcd8fde615fa5003ce7164dbb0527fd38924659ed2.exe	85
PID 4092 wrote to memory of 2156	4092	y1601082.exe	86
PID 4092 wrote to memory of 2156	4092	y1601082.exe	86
PID 4092 wrote to memory of 2156	4092	y1601082.exe	86
PID 2156 wrote to memory of 1860	2156	y6193474.exe	87
PID 2156 wrote to memory of 1860	2156	y6193474.exe	87
PID 2156 wrote to memory of 1860	2156	y6193474.exe	87
PID 2156 wrote to memory of 4628	2156	y6193474.exe	98
PID 2156 wrote to memory of 4628	2156	y6193474.exe	98
PID 2156 wrote to memory of 4628	2156	y6193474.exe	98

C:\Users\Admin\AppData\Local\Temp\c538730e4a76a33af6e56ffcd8fde615fa5003ce7164dbb0527fd38924659ed2.exe
"C:\Users\Admin\AppData\Local\Temp\c538730e4a76a33af6e56ffcd8fde615fa5003ce7164dbb0527fd38924659ed2.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1601082.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1601082.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4092
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y6193474.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y6193474.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2156
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k2465319.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k2465319.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:1860
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l9581358.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l9581358.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4628

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1601082.exe

Filesize
750KB

MD5
406570fa9372fc514549c192aaf60e3c

SHA1
68883be96790fb202f03a9db793b19053af93863

SHA256
4f9d0bc0f4ed58a60eb368bb12cf479bc5888864f4d1f2f31788e82ddeff05d8

SHA512
fec2c29ad5b650fabb7ac7bec9499557f6d5e07f941bd503193fb13cb7b0a7721dd556415c4a2ad6eafb3a79c5131ded8bbc1b0543d567c4e197c79156c2cd3c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y6193474.exe

Filesize
304KB

MD5
64ceec218f01b1b05f4558d85648f98e

SHA1
95f75e2c70f2d1d9de384a7e75dc246e8911b531

SHA256
6b11e2be19fe7b129c4d9b4c52e7e014d9b65550ccd5037b07aea40c06c7690b

SHA512
a46cebb03d395063fbdb926f29ee89e0713df036e3c9e4ab9890ab80ef02db68e60a253b0278c348406c1778f51f5edf814417953e12df53e1c655409c788ec5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k2465319.exe

Filesize
183KB

MD5
75df6a4aaf5c63bc4f42ac5ec8ecc76a

SHA1
8d9da11aa11364c1b580b12faa446403f527ff83

SHA256
d1d13ff4eabb541a9cfc225beeb1c27d9cd85c8f9849e8d0fece0a4503c63f05

SHA512
72d34a4770cf9885993630f04e83831f4ded666af58cb705c7b1ca4cd7ca95911dec7247e4987c64afc13fee10bcf94fc913bd9a7790edb65c75b01a89bbe8fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l9581358.exe

Filesize
145KB

MD5
2a490205a842eba517518bab160d0607

SHA1
152b6ed86d9c97e918ec2cd24916fdd3c6f22282

SHA256
6136e31cd3803c1c04d7cf9b80149719f144da94f5e6ec06ee2faa0ea69e7723

SHA512
df3e3680edaf006625f6abd9efbd03472bda9a5dc9cf9cc8fa58d31a8dfe8eb6a5538e8d853e4573ac290a89ad63b8d0020e858822ef056f65ebf78ba7a7854d

Download Submit
memory/1860-49-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1860-35-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1860-29-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1860-22-0x0000000004B50000-0x00000000050F4000-memory.dmp

Filesize
5.6MB

Download
memory/1860-47-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1860-45-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1860-25-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1860-43-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1860-41-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1860-39-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1860-37-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1860-23-0x0000000004AD0000-0x0000000004AEC000-memory.dmp

Filesize
112KB

Download
memory/1860-33-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1860-31-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1860-27-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1860-51-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1860-24-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1860-21-0x0000000002480000-0x000000000249E000-memory.dmp

Filesize
120KB

Download
memory/4628-56-0x0000000000D90000-0x0000000000DBA000-memory.dmp

Filesize
168KB

Download
memory/4628-57-0x0000000005CE0000-0x00000000062F8000-memory.dmp

Filesize
6.1MB

Download
memory/4628-58-0x0000000005860000-0x000000000596A000-memory.dmp

Filesize
1.0MB

Download
memory/4628-59-0x0000000005790000-0x00000000057A2000-memory.dmp

Filesize
72KB

Download
memory/4628-60-0x00000000057F0000-0x000000000582C000-memory.dmp

Filesize
240KB

Download
memory/4628-61-0x0000000005970000-0x00000000059BC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads