redline | 3756d25659af8e8326899a3b2ab8b018bd167cd09302f846775544088a65cd53

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 01:16

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General

Target

3756d25659af8e8326899a3b2ab8b018bd167cd09302f846775544088a65cd53.exe
Size

1.1MB
MD5

4b0f5b53264c56125bd5c889e063bbca
SHA1

af67f0e3380e79157505e9372922e372ca28fdeb
SHA256

3756d25659af8e8326899a3b2ab8b018bd167cd09302f846775544088a65cd53
SHA512

39ac9635eda068f758ff2ece2997100e9cabb254c02e4abb374b99fa415554369273a957ef51209fd0df624db1792bbb30a7f7da96015a7e98df73d290dae0ac
SSDEEP

24576:xQYmBqkDPByJzhAfD7MjzlR7BvVsqYrJc7f752/HnK2:xQ1DZ0z0MjHNvGqWJcB

Score

10^/10

redline defense_evasion discovery infostealer persistence

Malware Config

Extracted

Family

redline

yellowbag.top:80

Signatures

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

RedLine payload 1 IoCs

resource	yara_rule
behavioral2/memory/3580-41-0x0000000000190000-0x00000000001C0000-memory.dmp	family_redline

Manipulates Digital Signatures 1 TTPs 3 IoCs

Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 0\CryptDllFindOIDInfo\1.3.6.1.4.1.311.60.3.1!7\Name = "szOID_ROOT_PROGRAM_AUTO_UPDATE_CA_REVOCATION"	certutil.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 0\CryptDllFindOIDInfo\1.3.6.1.4.1.311.60.3.2!7\Name = "szOID_ROOT_PROGRAM_AUTO_UPDATE_END_REVOCATION"	certutil.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography\OID\EncodingType 0\CryptDllFindOIDInfo\1.3.6.1.4.1.311.60.3.3!7\Name = "szOID_ROOT_PROGRAM_NO_OCSP_FAILOVER_TO_CRL"	certutil.exe

Deletes itself 1 IoCs

pid	Process
808	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
3932	fontdrvhost.com
4696	fontdrvhost.com

Adds Run key to start application 2 TTPs 1 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\\\""	3756d25659af8e8326899a3b2ab8b018bd167cd09302f846775544088a65cd53.exe

Deobfuscate/Decode Files or Information 1 TTPs 2 IoCs

Payload decoded via CertUtil.

defense_evasion

Deobfuscate/Decode Files or Information

T1140

pid	Process
2572	cmd.exe
3188	certutil.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4696 set thread context of 3580	4696	fontdrvhost.com	97

System Location Discovery: System Language Discovery 1 TTPs 11 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	certutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fontdrvhost.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3756d25659af8e8326899a3b2ab8b018bd167cd09302f846775544088a65cd53.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fontdrvhost.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1836	PING.EXE

Kills process with taskkill 1 IoCs

evasion

pid	Process
4240	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1836	PING.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
808	powershell.exe
808	powershell.exe
808	powershell.exe
808	powershell.exe
808	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	808	powershell.exe
Token: SeDebugPrivilege	3580	RegAsm.exe
Token: SeDebugPrivilege	4240	taskkill.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
3932	fontdrvhost.com
3932	fontdrvhost.com
3932	fontdrvhost.com
4696	fontdrvhost.com
4696	fontdrvhost.com
4696	fontdrvhost.com

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
3932	fontdrvhost.com
3932	fontdrvhost.com
3932	fontdrvhost.com
4696	fontdrvhost.com
4696	fontdrvhost.com
4696	fontdrvhost.com

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 2572	1748	3756d25659af8e8326899a3b2ab8b018bd167cd09302f846775544088a65cd53.exe	82
PID 1748 wrote to memory of 2572	1748	3756d25659af8e8326899a3b2ab8b018bd167cd09302f846775544088a65cd53.exe	82
PID 1748 wrote to memory of 2572	1748	3756d25659af8e8326899a3b2ab8b018bd167cd09302f846775544088a65cd53.exe	82
PID 2572 wrote to memory of 3188	2572	cmd.exe	84
PID 2572 wrote to memory of 3188	2572	cmd.exe	84
PID 2572 wrote to memory of 3188	2572	cmd.exe	84
PID 2572 wrote to memory of 3932	2572	cmd.exe	85
PID 2572 wrote to memory of 3932	2572	cmd.exe	85
PID 2572 wrote to memory of 3932	2572	cmd.exe	85
PID 3932 wrote to memory of 4696	3932	fontdrvhost.com	86
PID 3932 wrote to memory of 4696	3932	fontdrvhost.com	86
PID 3932 wrote to memory of 4696	3932	fontdrvhost.com	86
PID 2572 wrote to memory of 1836	2572	cmd.exe	87
PID 2572 wrote to memory of 1836	2572	cmd.exe	87
PID 2572 wrote to memory of 1836	2572	cmd.exe	87
PID 1748 wrote to memory of 808	1748	3756d25659af8e8326899a3b2ab8b018bd167cd09302f846775544088a65cd53.exe	88
PID 1748 wrote to memory of 808	1748	3756d25659af8e8326899a3b2ab8b018bd167cd09302f846775544088a65cd53.exe	88
PID 1748 wrote to memory of 808	1748	3756d25659af8e8326899a3b2ab8b018bd167cd09302f846775544088a65cd53.exe	88
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97
PID 4696 wrote to memory of 3580	4696	fontdrvhost.com	97

C:\Users\Admin\AppData\Local\Temp\3756d25659af8e8326899a3b2ab8b018bd167cd09302f846775544088a65cd53.exe
"C:\Users\Admin\AppData\Local\Temp\3756d25659af8e8326899a3b2ab8b018bd167cd09302f846775544088a65cd53.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\SysWOW64\cmd.exe
  cmd /c <nul set /p ="M" > fontdrvhost.com & type ZKEKFq.com >> fontdrvhost.com & del ZKEKFq.com & certutil -decode YmJse.com A & fontdrvhost.com A & ping 127.0.0.1 -n 3
  2⤵
  - Deobfuscate/Decode Files or Information
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Windows\SysWOW64\certutil.exe
    certutil -decode YmJse.com A
    3⤵
    - Manipulates Digital Signatures
    - Deobfuscate/Decode Files or Information
    - System Location Discovery: System Language Discovery
    PID:3188
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fontdrvhost.com
    fontdrvhost.com A
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:3932
  - - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fontdrvhost.com
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fontdrvhost.com A
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      Suspicious use of WriteProcessMemory
      PID:4696
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:3580
      - C:\Windows\SysWOW64\cmd.exe
        
        "cmd.exe" /C taskkill /F /PID 3580 && choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:2788
        
        C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /F /PID 3580
        7⤵
        System Location Discovery: System Language Discovery
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:4240
        
        C:\Windows\SysWOW64\choice.exe
        
        choice /C Y /N /D Y /T 3
        7⤵
        System Location Discovery: System Language Discovery
        
        PID:316
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 3
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1836
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -command $mgwa = (Get-WmiObject win32_process -Filter "processid=$pid").parentprocessid; $feqynbs = (Get-WmiObject win32_process -Filter "processid=$mgwa").executablepath; Stop-Process -ID $mgwa -Force; Start-Sleep -s 1; Remove-Item -path $feqynbs
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Deobfuscate/Decode Files or Information

T1140

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Subvert Trust Controls

T1553

SIP and Trust Provider Hijacking

T1553.003

Credential Access

Discovery

Remote System Discovery

T1018

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\A

Filesize
358KB

MD5
293918878c0ce8cffbd344b16eac656e

SHA1
35b476831f6aea74b3455809b35119204b9971d4

SHA256
da606e3891954918706a34e5f85e203ecc3e81b4c5f791ff8281255fcbe2ba49

SHA512
5e4215bf1a3098ceeb3d9ab90ad9c88be5f0db4cf31ce3fad201f3a76cb39e927487158f79e2dbb84f1479aeabd7473e54aeef553ae890af96b460580b4fcabc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\EJgvN.com

Filesize
165KB

MD5
67bb52ecfe627a96076afafd2dde32c7

SHA1
80427ac274ecce18b2436e1cf0bd12623562ce96

SHA256
c0793851a648fbc2fb02f59225895d9da673106733d4c62c145ffc57a771907a

SHA512
09ef9408848fef543fa665b9fa50889b0f25f8bf61188d8a4e3b45319b54c01712c4c4b8a02fc89065ade1682cd5ab97c3eaa70cdbbc7921049c4716bf9768a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\YmJse.com

Filesize
492KB

MD5
c96bf5ceca92a5362f342a7ee19fdc88

SHA1
6d31b0eebd75cef42bc8935260320d6b13666ddd

SHA256
5b57292ae991d305d450d659a54710eb4ae53a0b8eb67e0cdd2eaa88980348c1

SHA512
05bd0d4a3a33ddc3b3208e26f9b215f4627f6738ae8759df9222dad068f7a5b14905434ce04b376942aaab02ad1ff81afedd8303db756c38057591f6bfd0096c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ZKEKFq.com

Filesize
872KB

MD5
d86ab2aeeac2553c7857ece4492eda5d

SHA1
0828db56b556f3f0486a9de9d2c728216035e8e6

SHA256
8861365fb619dbb90da0027db93d041681c30deb93071ec588121a8f8ba08436

SHA512
8c0154d80fb47ea5225816e95db0126d02950f0ec7909a68205ee67a0d1c4dbff971933ee5ba0307c24658ce52400e144cde720e514acf3024fbdb2505345cfe

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fontdrvhost.com

Filesize
872KB

MD5
c56b5f0201a3b3de53e561fe76912bfd

SHA1
2a4062e10a5de813f5688221dbeb3f3ff33eb417

SHA256
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

SHA512
195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_neziwrth.yhk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/808-32-0x0000000006160000-0x000000000617E000-memory.dmp

Filesize
120KB

Download
memory/808-35-0x0000000006650000-0x000000000666A000-memory.dmp

Filesize
104KB

Download
memory/808-20-0x0000000005AB0000-0x0000000005B16000-memory.dmp

Filesize
408KB

Download
memory/808-21-0x0000000005B20000-0x0000000005B86000-memory.dmp

Filesize
408KB

Download
memory/808-18-0x0000000005410000-0x0000000005A38000-memory.dmp

Filesize
6.2MB

Download
memory/808-31-0x0000000005B90000-0x0000000005EE4000-memory.dmp

Filesize
3.3MB

Download
memory/808-17-0x0000000002B80000-0x0000000002BB6000-memory.dmp

Filesize
216KB

Download
memory/808-33-0x00000000061B0000-0x00000000061FC000-memory.dmp

Filesize
304KB

Download
memory/808-34-0x0000000007410000-0x00000000074A6000-memory.dmp

Filesize
600KB

Download
memory/808-19-0x00000000051C0000-0x00000000051E2000-memory.dmp

Filesize
136KB

Download
memory/808-36-0x00000000066C0000-0x00000000066E2000-memory.dmp

Filesize
136KB

Download
memory/808-37-0x0000000007A60000-0x0000000008004000-memory.dmp

Filesize
5.6MB

Download
memory/808-38-0x0000000008690000-0x0000000008D0A000-memory.dmp

Filesize
6.5MB

Download
memory/3580-41-0x0000000000190000-0x00000000001C0000-memory.dmp

Filesize
192KB

Download
memory/3580-43-0x0000000016D80000-0x0000000017398000-memory.dmp

Filesize
6.1MB

Download
memory/3580-44-0x00000000167B0000-0x00000000167C2000-memory.dmp

Filesize
72KB

Download
memory/3580-45-0x0000000016810000-0x000000001684C000-memory.dmp

Filesize
240KB

Download
memory/3580-46-0x0000000016850000-0x000000001689C000-memory.dmp

Filesize
304KB

Download
memory/3580-47-0x0000000016AC0000-0x0000000016BCA000-memory.dmp

Filesize
1.0MB

Download