redline | b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916

General

Target

b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe
Size

4.6MB
MD5

35f1a7f185a05f2530238f7fb1f75206
SHA1

c8beeb9a3a6272305c8d4a99f29fc0f30b45f662
SHA256

b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916
SHA512

f2f91e61e24e7aa4c9130658151d5fa4a20d5bc999af0e425faf98a7d64b6c789f5a861177a2ef8c51fff6ce202ee9e0e0a4d66c866ac88deeda222c8f53f345
SSDEEP

98304:Uq8eNY5p0ExtC6RpPwVsniC5u/BDLTABEp0moOjtchoKCq:Uqup0Ex8ArMdPABEp0pAKhfCq

Score

10^/10

redline @zxckostyan4ik discovery execution infostealer

Malware Config

Extracted

Family

redline

Botnet

@zxckostyan4ik

C2

95.181.152.6:46927

Attributes

auth_value
cdf3919a262c0d6ba99116b375d7551c

Signatures

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

RedLine payload 3 IoCs

resource	yara_rule
behavioral2/memory/3512-10-0x0000000000740000-0x000000000076E000-memory.dmp	family_redline
behavioral2/memory/3512-17-0x0000000000740000-0x000000000076E000-memory.dmp	family_redline
behavioral2/memory/3512-19-0x0000000002AD0000-0x0000000002AF0000-memory.dmp	family_redline

Redline family
redline

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
372	powershell.exe
3076	powershell.exe

Executes dropped EXE 4 IoCs

pid	Process
4424	Selfconvened.exe
3512	K3M6Ljh9fd22.exe
1696	svchost.exe
4572	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\WindowsPro\svchost.exe	Selfconvened.exe
File opened for modification	C:\Windows\system32\WindowsPro\svchost.exe	Selfconvened.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	K3M6Ljh9fd22.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
5028	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4424	Selfconvened.exe
372	powershell.exe
372	powershell.exe
3076	powershell.exe
3076	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4424	Selfconvened.exe
Token: SeDebugPrivilege	372	powershell.exe
Token: SeDebugPrivilege	3076	powershell.exe
Token: SeDebugPrivilege	1696	svchost.exe
Token: SeDebugPrivilege	4572	svchost.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4440 wrote to memory of 4424	4440	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	82
PID 4440 wrote to memory of 4424	4440	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	82
PID 4440 wrote to memory of 3512	4440	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	83
PID 4440 wrote to memory of 3512	4440	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	83
PID 4440 wrote to memory of 3512	4440	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	83
PID 4424 wrote to memory of 2136	4424	Selfconvened.exe	91
PID 4424 wrote to memory of 2136	4424	Selfconvened.exe	91
PID 4424 wrote to memory of 5028	4424	Selfconvened.exe	93
PID 4424 wrote to memory of 5028	4424	Selfconvened.exe	93
PID 2136 wrote to memory of 372	2136	cmd.exe	95
PID 2136 wrote to memory of 372	2136	cmd.exe	95
PID 2136 wrote to memory of 3076	2136	cmd.exe	96
PID 2136 wrote to memory of 3076	2136	cmd.exe	96

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe
"C:\Users\Admin\AppData\Local\Temp\b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4440
- C:\Users\Admin\AppData\Local\Temp\Selfconvened.exe
  C:\Users\Admin\AppData\Local\Temp\Selfconvened.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4424
- - C:\Windows\SYSTEM32\cmd.exe
    "cmd" #cmd /c powershell -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath @(($pwd).path, $env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force" & powershell -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionExtension @('exe','dll') -Force" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2136
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath @(($pwd).path, $env:UserProfile,$env:AppData,$env:Temp,$env:SystemRoot,$env:HomeDrive,$env:SystemDrive) -Force"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:372
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionExtension @('exe','dll') -Force"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3076
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /f /sc minute /rl highest /mo 1 /tn "Bobsledding" /tr "C:\Windows\system32\WindowsPro\svchost.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:5028
- C:\Users\Admin\AppData\Local\Temp\K3M6Ljh9fd22.exe
  C:\Users\Admin\AppData\Local\Temp\K3M6Ljh9fd22.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3512

C:\Windows\system32\WindowsPro\svchost.exe
C:\Windows\system32\WindowsPro\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1696

C:\Windows\system32\WindowsPro\svchost.exe
C:\Windows\system32\WindowsPro\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

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\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svchost.exe.log

Filesize
2KB

MD5
3d61c3fafacd57fc570153fefcc3bf45

SHA1
f0a01b1a27acde8d1d499daeb119e78b2d68f425

SHA256
89ed90813893a44310852bd8c730cc4ada856fff05b87a15f0a4f753f828ea28

SHA512
5f16cb9e3865edbb689c47655424e0600e1cfb5ced88a6f3d91bf5026494a1766495465c205b9937a4f08fb14fe71fe238e32f6e0d6ac1d1341ba4fa0868a1c9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
64B

MD5
5caad758326454b5788ec35315c4c304

SHA1
3aef8dba8042662a7fcf97e51047dc636b4d4724

SHA256
83e613b6dc8d70e3bb67c58535e014f58f3e8b2921e93b55137d799fc8c56391

SHA512
4e0d443cf81e2f49829b0a458a08294bf1bdc0e38d3a938fb8274eeb637d9a688b14c7999dd6b86a31fcec839a9e8c1a9611ed0bbae8bd59caa9dba1e8253693

Download Submit
C:\Users\Admin\AppData\Local\Temp\K3M6Ljh9fd22.exe

Filesize
881KB

MD5
ce5a9ec35a54e669820589d15f1faa07

SHA1
68a5aaa46aa2ce2c3083486f8e265e050cd421ac

SHA256
a5317940f3f36d4c047ef70fcef5aedcdcdb0d9afae7ccfb3220190f09dab15b

SHA512
eb097778c480b9e1bd396895ef86727997cb1c0bd1c3d6863a3d711216c2ce64d1ff647987b57c0e67b9b9673526cd28bc83aaf7177e11a9b348e2960f535131

Download Submit
C:\Users\Admin\AppData\Local\Temp\Selfconvened.exe

Filesize
4.5MB

MD5
64b5e984fda860eedf19c29a124094fb

SHA1
760c195741989e17b48ad52c13bed35e8ea51692

SHA256
1f47c67d3baa635c4b7dd2bfed0a26a6bd499c3ab5a64d10b391a52e7d71ba39

SHA512
187dbbc7137db41da77dd5c3d1471f82b157d031653109632adb9c49ea519f452b661cfd1845512661dcdb3b00bf2a02b2c3504406fb19ad89b06fcd6afee4e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bc1ybv1o.5ty.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\System32\WindowsPro\svchost.exe

Filesize
10.2MB

MD5
c93d0f663c52aa50f96ca6a2506db0bb

SHA1
957947f3bb12a60a9f09da3bf97bd123dfcab614

SHA256
00da2d45992ff0af256251f1a5bb9a3467e8731e166ebe3ba5e8f29e4da98e5e

SHA512
38f4c4009beb635cf90e25d5655c7d78eabae26d4b6a36f4951884d87fb9dd503633cf630dbe2907350a982fb4033dd3a9da93c973a6350b9ed8e34cbb865944

Download Submit
memory/372-54-0x000001A970050000-0x000001A970072000-memory.dmp

Filesize
136KB

Download
memory/3512-18-0x00000000752EE000-0x00000000752EF000-memory.dmp

Filesize
4KB

Download
memory/3512-27-0x0000000005AB0000-0x0000000005AEC000-memory.dmp

Filesize
240KB

Download
memory/3512-23-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/3512-21-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/3512-25-0x00000000059A0000-0x0000000005AAA000-memory.dmp

Filesize
1.0MB

Download
memory/3512-24-0x0000000005940000-0x0000000005952000-memory.dmp

Filesize
72KB

Download
memory/3512-26-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/3512-22-0x00000000052E0000-0x00000000058F8000-memory.dmp

Filesize
6.1MB

Download
memory/3512-28-0x0000000005B30000-0x0000000005B7C000-memory.dmp

Filesize
304KB

Download
memory/3512-20-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/3512-19-0x0000000002AD0000-0x0000000002AF0000-memory.dmp

Filesize
128KB

Download
memory/3512-17-0x0000000000740000-0x000000000076E000-memory.dmp

Filesize
184KB

Download
memory/3512-10-0x0000000000740000-0x000000000076E000-memory.dmp

Filesize
184KB

Download
memory/3512-33-0x00000000752EE000-0x00000000752EF000-memory.dmp

Filesize
4KB

Download
memory/3512-34-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/3512-35-0x0000000000650000-0x0000000000733000-memory.dmp

Filesize
908KB

Download
memory/4424-30-0x000001DA53FC0000-0x000001DA53FD0000-memory.dmp

Filesize
64KB

Download
memory/4424-37-0x000001DA53FC0000-0x000001DA53FD0000-memory.dmp

Filesize
64KB

Download
memory/4424-38-0x000001DA53FC0000-0x000001DA53FD0000-memory.dmp

Filesize
64KB

Download
memory/4424-39-0x000001DA56450000-0x000001DA567F8000-memory.dmp

Filesize
3.7MB

Download
memory/4424-40-0x000001DA56800000-0x000001DA56AA4000-memory.dmp

Filesize
2.6MB

Download
memory/4424-41-0x000001DA56F70000-0x000001DA5743C000-memory.dmp

Filesize
4.8MB

Download
memory/4424-42-0x000001DA53F70000-0x000001DA53F82000-memory.dmp

Filesize
72KB

Download
memory/4424-36-0x000001DA53FC0000-0x000001DA53FD0000-memory.dmp

Filesize
64KB

Download
memory/4424-32-0x00007FFF96933000-0x00007FFF96935000-memory.dmp

Filesize
8KB

Download
memory/4424-31-0x000001DA53FC0000-0x000001DA53FD0000-memory.dmp

Filesize
64KB

Download
memory/4424-29-0x000001DA53FD0000-0x000001DA54388000-memory.dmp

Filesize
3.7MB

Download
memory/4424-9-0x000001DA39540000-0x000001DA399BA000-memory.dmp

Filesize
4.5MB

Download
memory/4424-7-0x00007FFF96933000-0x00007FFF96935000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads