redline | e43c161ce3fca02aacc3de6553fbac800ceceb3e4c5ec09224db0c419bc36ad2

General

Target

e43c161ce3fca02aacc3de6553fbac800ceceb3e4c5ec09224db0c419bc36ad2.exe
Size

1.1MB
MD5

c31e9349b22897713ed5711d3c86ca8a
SHA1

1f60d3f0b63b09fcf809a8d7d83a9017bc2eb80d
SHA256

e43c161ce3fca02aacc3de6553fbac800ceceb3e4c5ec09224db0c419bc36ad2
SHA512

bf6c3ca40b470fcff31fb8a181fbdcfc5039256456ab3d095c20e35ab831ef358034e42cf99e3428ce53e32966e0619de720c5517e72e31ec57ad41b95bd80b2
SSDEEP

24576:/yeWwFPH27hiEMVo3RQiN3FyvmQ/l+bFvl/HeyynJatTa8V:KRwFHEMVoBh17QyHeyka9a

Score

10^/10

redline masta discovery evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

masta

C2

185.161.248.75:4132

Attributes

auth_value
57f23b6b74d0f680c5a0c8ac9f52bd75

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\DisableScanOnRealtimeEnable = "1"	a6667213.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a6667213.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a6667213.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a6667213.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a6667213.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a6667213.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/0x0007000000023cce-54.dat	family_redline
behavioral1/memory/5056-56-0x0000000000830000-0x000000000085A000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
4968	v1797132.exe
4376	v4620032.exe
1092	a6667213.exe
5056	b1040187.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	a6667213.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a6667213.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\\\""	e43c161ce3fca02aacc3de6553fbac800ceceb3e4c5ec09224db0c419bc36ad2.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\\\""	v1797132.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\\\""	v4620032.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	b1040187.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e43c161ce3fca02aacc3de6553fbac800ceceb3e4c5ec09224db0c419bc36ad2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v1797132.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v4620032.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a6667213.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1092	a6667213.exe
1092	a6667213.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1092	a6667213.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 4968	2572	e43c161ce3fca02aacc3de6553fbac800ceceb3e4c5ec09224db0c419bc36ad2.exe	85
PID 2572 wrote to memory of 4968	2572	e43c161ce3fca02aacc3de6553fbac800ceceb3e4c5ec09224db0c419bc36ad2.exe	85
PID 2572 wrote to memory of 4968	2572	e43c161ce3fca02aacc3de6553fbac800ceceb3e4c5ec09224db0c419bc36ad2.exe	85
PID 4968 wrote to memory of 4376	4968	v1797132.exe	86
PID 4968 wrote to memory of 4376	4968	v1797132.exe	86
PID 4968 wrote to memory of 4376	4968	v1797132.exe	86
PID 4376 wrote to memory of 1092	4376	v4620032.exe	87
PID 4376 wrote to memory of 1092	4376	v4620032.exe	87
PID 4376 wrote to memory of 1092	4376	v4620032.exe	87
PID 4376 wrote to memory of 5056	4376	v4620032.exe	94
PID 4376 wrote to memory of 5056	4376	v4620032.exe	94
PID 4376 wrote to memory of 5056	4376	v4620032.exe	94

C:\Users\Admin\AppData\Local\Temp\e43c161ce3fca02aacc3de6553fbac800ceceb3e4c5ec09224db0c419bc36ad2.exe
"C:\Users\Admin\AppData\Local\Temp\e43c161ce3fca02aacc3de6553fbac800ceceb3e4c5ec09224db0c419bc36ad2.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1797132.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1797132.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4968
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4620032.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4620032.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4376
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a6667213.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a6667213.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:1092
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b1040187.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b1040187.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:5056

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\v1797132.exe

Filesize
750KB

MD5
1cc93bc35c1cb83b81c1c3f66105b73b

SHA1
f193e42cba1e44eb7453579ed5374ec0ea13a364

SHA256
9f704df2d090f38379eea2ab6709ee680aad4cb8e58b74a4ebef26c11ac70814

SHA512
036ef20c98d6500228ac202b6d8c333b594739efc2e1704433624cff11db11761126d222b9204f4711e02283c0c9cdb3d4c2f1ae5fa5e56cbeccdeb5646e2338

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v4620032.exe

Filesize
305KB

MD5
f44b15db3b3010e06df00a2be29458cb

SHA1
a985df4a5aa2824732bdc615cc856eadda7fa882

SHA256
2adcbf7d02fb4997339d916c7d468c1b3807ce12125ce8240710592b8f535cf6

SHA512
19cde18ce7d5b50f21bbe33331e0cc097704f4bdf9013b6dd175a2ee46f96c56b83a7eea721d09728f0b0cfd050760a56f4f7c4f1a9d5c7945b8e602f60169e7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a6667213.exe

Filesize
183KB

MD5
d18dd7e957d8eab39abe21eefd498331

SHA1
2d7b11252dbb1ed8cefff8d63d447b0f697a0060

SHA256
57f8f54609021997865fed724894ad76b78b39a48a51b47a1d97a92eb836c440

SHA512
c383080be8f9fbb5fd313204cc47ca9ecca8b6148362aa5ef76c219217971184472d0c4be2f1d7e9c9fbee561079b34357346507ddb882d779b06741a5ad0581

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b1040187.exe

Filesize
145KB

MD5
f549fc7dead5905b5ccf8898dd17773c

SHA1
38d70807ea6c27642126e93662c2daf173695982

SHA256
65861e8f54a2422e61d7db500b890db8d2c19d3abdd8e384e55c192e528bd474

SHA512
86ae977656fc2d37c96e4092e4f05f2046d6beb8c7c7af665136bd6aa073f397f2b73a4007a3563eec76dbf9a95d67fcf09c7275e76c426b5e722415d079df95

Download Submit
memory/1092-47-0x0000000004980000-0x0000000004996000-memory.dmp

Filesize
88KB

Download
memory/1092-29-0x0000000004980000-0x0000000004996000-memory.dmp

Filesize
88KB

Download
memory/1092-49-0x0000000004980000-0x0000000004996000-memory.dmp

Filesize
88KB

Download
memory/1092-22-0x0000000004A20000-0x0000000004FC4000-memory.dmp

Filesize
5.6MB

Download
memory/1092-45-0x0000000004980000-0x0000000004996000-memory.dmp

Filesize
88KB

Download
memory/1092-43-0x0000000004980000-0x0000000004996000-memory.dmp

Filesize
88KB

Download
memory/1092-41-0x0000000004980000-0x0000000004996000-memory.dmp

Filesize
88KB

Download
memory/1092-37-0x0000000004980000-0x0000000004996000-memory.dmp

Filesize
88KB

Download
memory/1092-51-0x0000000004980000-0x0000000004996000-memory.dmp

Filesize
88KB

Download
memory/1092-33-0x0000000004980000-0x0000000004996000-memory.dmp

Filesize
88KB

Download
memory/1092-31-0x0000000004980000-0x0000000004996000-memory.dmp

Filesize
88KB

Download
memory/1092-23-0x0000000004980000-0x000000000499C000-memory.dmp

Filesize
112KB

Download
memory/1092-27-0x0000000004980000-0x0000000004996000-memory.dmp

Filesize
88KB

Download
memory/1092-25-0x0000000004980000-0x0000000004996000-memory.dmp

Filesize
88KB

Download
memory/1092-24-0x0000000004980000-0x0000000004996000-memory.dmp

Filesize
88KB

Download
memory/1092-39-0x0000000004980000-0x0000000004996000-memory.dmp

Filesize
88KB

Download
memory/1092-35-0x0000000004980000-0x0000000004996000-memory.dmp

Filesize
88KB

Download
memory/1092-21-0x00000000022B0000-0x00000000022CE000-memory.dmp

Filesize
120KB

Download
memory/5056-56-0x0000000000830000-0x000000000085A000-memory.dmp

Filesize
168KB

Download
memory/5056-57-0x0000000005770000-0x0000000005D88000-memory.dmp

Filesize
6.1MB

Download
memory/5056-58-0x00000000052F0000-0x00000000053FA000-memory.dmp

Filesize
1.0MB

Download
memory/5056-59-0x0000000005220000-0x0000000005232000-memory.dmp

Filesize
72KB

Download
memory/5056-60-0x0000000005280000-0x00000000052BC000-memory.dmp

Filesize
240KB

Download
memory/5056-61-0x0000000005400000-0x000000000544C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads