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/3168-10-0x0000000000740000-0x000000000076E000-memory.dmp	family_redline
behavioral2/memory/3168-17-0x0000000000740000-0x000000000076E000-memory.dmp	family_redline
behavioral2/memory/3168-19-0x0000000000EE0000-0x0000000000F00000-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
4056	powershell.exe
2216	powershell.exe

Executes dropped EXE 3 IoCs

pid	Process
4420	Selfconvened.exe
3168	K3M6Ljh9fd22.exe
540	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
4068	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4420	Selfconvened.exe
2216	powershell.exe
2216	powershell.exe
4056	powershell.exe
4056	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4420	Selfconvened.exe
Token: SeDebugPrivilege	2216	powershell.exe
Token: SeDebugPrivilege	4056	powershell.exe
Token: SeDebugPrivilege	540	svchost.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 4420	224	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	82
PID 224 wrote to memory of 4420	224	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	82
PID 224 wrote to memory of 3168	224	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	83
PID 224 wrote to memory of 3168	224	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	83
PID 224 wrote to memory of 3168	224	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	83
PID 4420 wrote to memory of 840	4420	Selfconvened.exe	91
PID 4420 wrote to memory of 840	4420	Selfconvened.exe	91
PID 4420 wrote to memory of 4068	4420	Selfconvened.exe	93
PID 4420 wrote to memory of 4068	4420	Selfconvened.exe	93
PID 840 wrote to memory of 2216	840	cmd.exe	95
PID 840 wrote to memory of 2216	840	cmd.exe	95
PID 840 wrote to memory of 4056	840	cmd.exe	96
PID 840 wrote to memory of 4056	840	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:224
- 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:4420
- - 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:840
  - - 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:2216
  - - 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:4056
- - 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:4068
- 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:3168

C:\Windows\system32\WindowsPro\svchost.exe
C:\Windows\system32\WindowsPro\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:540

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\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
64B

MD5
1a11402783a8686e08f8fa987dd07bca

SHA1
580df3865059f4e2d8be10644590317336d146ce

SHA256
9b1d1b468932a2d88548dc18504ac3066f8248079ecb083e919460bdb88398c0

SHA512
5f7f9f76d9d12a25fdc5b8d193391fb42c37515c657250fe01a9bfd9fe4cc4eab9d5ec254b2596ac1b9005f12511905f19fdae41f057062261d75bd83254b510

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_vagyazyp.210.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
10.3MB

MD5
5ba88c33520d951cfef1563a67cc0710

SHA1
d86cec2df4f31f07f9ef9a7ea0896e5fa585957d

SHA256
fdb377328e03f9e236540795aad00b1fba3cc2461762dd34cca92f6dc8a3704a

SHA512
b803e9e366f32001f55d9b5bdadde72a81c4fdc79c0a4e7664511ae442fa60c5e12f9771b24467268e55effb07b65175e23d6d108613648b98e67cfb7dc7358c

Download Submit
memory/540-88-0x0000024E72A00000-0x0000024E72BA9000-memory.dmp

Filesize
1.7MB

Download
memory/540-84-0x0000024E72A00000-0x0000024E72BA9000-memory.dmp

Filesize
1.7MB

Download
memory/2216-48-0x000001EF4F8B0000-0x000001EF4F8D2000-memory.dmp

Filesize
136KB

Download
memory/3168-18-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/3168-28-0x0000000005B50000-0x0000000005B9C000-memory.dmp

Filesize
304KB

Download
memory/3168-25-0x0000000005A40000-0x0000000005B4A000-memory.dmp

Filesize
1.0MB

Download
memory/3168-24-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3168-22-0x0000000005420000-0x0000000005A38000-memory.dmp

Filesize
6.1MB

Download
memory/3168-26-0x0000000002C50000-0x0000000002C8C000-memory.dmp

Filesize
240KB

Download
memory/3168-27-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3168-23-0x0000000002BC0000-0x0000000002BD2000-memory.dmp

Filesize
72KB

Download
memory/3168-21-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3168-20-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3168-19-0x0000000000EE0000-0x0000000000F00000-memory.dmp

Filesize
128KB

Download
memory/3168-32-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/3168-33-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3168-35-0x0000000000650000-0x0000000000733000-memory.dmp

Filesize
908KB

Download
memory/3168-17-0x0000000000740000-0x000000000076E000-memory.dmp

Filesize
184KB

Download
memory/3168-10-0x0000000000740000-0x000000000076E000-memory.dmp

Filesize
184KB

Download
memory/4420-30-0x0000023731BA0000-0x0000023731BB0000-memory.dmp

Filesize
64KB

Download
memory/4420-40-0x000002374CD70000-0x000002374D014000-memory.dmp

Filesize
2.6MB

Download
memory/4420-41-0x000002374D4E0000-0x000002374D9AC000-memory.dmp

Filesize
4.8MB

Download
memory/4420-42-0x0000023731B70000-0x0000023731B82000-memory.dmp

Filesize
72KB

Download
memory/4420-38-0x000002374C9C0000-0x000002374CD68000-memory.dmp

Filesize
3.7MB

Download
memory/4420-36-0x0000023731BA0000-0x0000023731BB0000-memory.dmp

Filesize
64KB

Download
memory/4420-34-0x000002374A7D0000-0x000002374A979000-memory.dmp

Filesize
1.7MB

Download
memory/4420-31-0x00007FFB29E63000-0x00007FFB29E65000-memory.dmp

Filesize
8KB

Download
memory/4420-29-0x000002374A320000-0x000002374A6D8000-memory.dmp

Filesize
3.7MB

Download
memory/4420-9-0x000002372F820000-0x000002372FC9A000-memory.dmp

Filesize
4.5MB

Download
memory/4420-8-0x00007FFB29E63000-0x00007FFB29E65000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads