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 4 IoCs

resource	yara_rule
behavioral1/memory/108-12-0x0000000000390000-0x00000000003BE000-memory.dmp	family_redline
behavioral1/memory/108-19-0x0000000000390000-0x00000000003BE000-memory.dmp	family_redline
behavioral1/memory/108-21-0x0000000000890000-0x00000000008B0000-memory.dmp	family_redline
behavioral1/memory/108-27-0x0000000000390000-0x00000000003BE000-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
2920	powershell.exe
1424	powershell.exe

Executes dropped EXE 3 IoCs

pid	Process
2208	Selfconvened.exe
108	K3M6Ljh9fd22.exe
2232	svchost.exe

Loads dropped DLL 3 IoCs

pid	Process
2756	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe
2756	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe
752	taskeng.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
2660	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2208	Selfconvened.exe
1424	powershell.exe
2920	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	Selfconvened.exe
Token: SeDebugPrivilege	1424	powershell.exe
Token: SeDebugPrivilege	2920	powershell.exe
Token: SeDebugPrivilege	2232	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2208	2756	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	31
PID 2756 wrote to memory of 2208	2756	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	31
PID 2756 wrote to memory of 2208	2756	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	31
PID 2756 wrote to memory of 2208	2756	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	31
PID 2756 wrote to memory of 108	2756	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	32
PID 2756 wrote to memory of 108	2756	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	32
PID 2756 wrote to memory of 108	2756	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	32
PID 2756 wrote to memory of 108	2756	b47f14557520a91ca888aa122d5816a21762e25535e24adc62351baf7edd3916.exe	32
PID 2208 wrote to memory of 1932	2208	Selfconvened.exe	34
PID 2208 wrote to memory of 1932	2208	Selfconvened.exe	34
PID 2208 wrote to memory of 1932	2208	Selfconvened.exe	34
PID 2208 wrote to memory of 2660	2208	Selfconvened.exe	36
PID 2208 wrote to memory of 2660	2208	Selfconvened.exe	36
PID 2208 wrote to memory of 2660	2208	Selfconvened.exe	36
PID 1932 wrote to memory of 1424	1932	cmd.exe	37
PID 1932 wrote to memory of 1424	1932	cmd.exe	37
PID 1932 wrote to memory of 1424	1932	cmd.exe	37
PID 1932 wrote to memory of 2920	1932	cmd.exe	39
PID 1932 wrote to memory of 2920	1932	cmd.exe	39
PID 1932 wrote to memory of 2920	1932	cmd.exe	39
PID 752 wrote to memory of 2232	752	taskeng.exe	41
PID 752 wrote to memory of 2232	752	taskeng.exe	41
PID 752 wrote to memory of 2232	752	taskeng.exe	41

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⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- 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:2208
- - 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:1932
  - - 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:1424
  - - 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:2920
- - 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:2660
- 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:108

C:\Windows\system32\taskeng.exe
taskeng.exe {8486F7B8-D0D5-4FD0-AEBA-CB0AAE04AA4F} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:752
- C:\Windows\system32\WindowsPro\svchost.exe
  C:\Windows\system32\WindowsPro\svchost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2232

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\C9R8B3WU6M5H4LUESFFK.temp

Filesize
7KB

MD5
1d5954d4fc726d2dfcc26fc89ea7bb0a

SHA1
60115d92c3327eafb8faec8fce0989e71fc40aa8

SHA256
0079d85ce3fed857449fc3cec5e964a664bf3ca8dcc442a4b087b0fef78d0646

SHA512
26b5e4f5c0542dbdb9ea4b6949f22583549b4d6f92d1777b44020397f08fc7f2a576ad00a46ce0e31130ab48521950933016664921f4d402dafa83803c2f5b62

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

Filesize
10.8MB

MD5
569ed2552d087c278373f411893d21fa

SHA1
938fa8ccfb6734689ee1ebd9c9848e0621369e69

SHA256
ed1c88ce23bd8a0c6cc081d82f6c79431d1ab2b160d682b8a1788a4477b6ca7b

SHA512
30701820652d089d79d8be3fa68e5975dbd8cf0d0e99da1dbb880ef73a71bef779fc79cbd6ec459b7fcc8e93a4c14839b3e076ebb4b1f29c3df7be4ff53dc6be

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

Filesize
881KB

MD5
ce5a9ec35a54e669820589d15f1faa07

SHA1
68a5aaa46aa2ce2c3083486f8e265e050cd421ac

SHA256
a5317940f3f36d4c047ef70fcef5aedcdcdb0d9afae7ccfb3220190f09dab15b

SHA512
eb097778c480b9e1bd396895ef86727997cb1c0bd1c3d6863a3d711216c2ce64d1ff647987b57c0e67b9b9673526cd28bc83aaf7177e11a9b348e2960f535131

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

Filesize
4.5MB

MD5
64b5e984fda860eedf19c29a124094fb

SHA1
760c195741989e17b48ad52c13bed35e8ea51692

SHA256
1f47c67d3baa635c4b7dd2bfed0a26a6bd499c3ab5a64d10b391a52e7d71ba39

SHA512
187dbbc7137db41da77dd5c3d1471f82b157d031653109632adb9c49ea519f452b661cfd1845512661dcdb3b00bf2a02b2c3504406fb19ad89b06fcd6afee4e4

Download Submit
memory/108-12-0x0000000000390000-0x00000000003BE000-memory.dmp

Filesize
184KB

Download
memory/108-19-0x0000000000390000-0x00000000003BE000-memory.dmp

Filesize
184KB

Download
memory/108-20-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/108-21-0x0000000000890000-0x00000000008B0000-memory.dmp

Filesize
128KB

Download
memory/108-22-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/108-23-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/108-30-0x0000000000650000-0x0000000000733000-memory.dmp

Filesize
908KB

Download
memory/108-27-0x0000000000390000-0x00000000003BE000-memory.dmp

Filesize
184KB

Download
memory/108-28-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/108-29-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/1424-40-0x000000001B7A0000-0x000000001BA82000-memory.dmp

Filesize
2.9MB

Download
memory/1424-45-0x0000000001E80000-0x0000000001E88000-memory.dmp

Filesize
32KB

Download
memory/2208-26-0x000007FEF65E3000-0x000007FEF65E4000-memory.dmp

Filesize
4KB

Download
memory/2208-31-0x000000001C1B0000-0x000000001C230000-memory.dmp

Filesize
512KB

Download
memory/2208-32-0x00000000215D0000-0x0000000021978000-memory.dmp

Filesize
3.7MB

Download
memory/2208-33-0x0000000021980000-0x0000000021C24000-memory.dmp

Filesize
2.6MB

Download
memory/2208-25-0x000000001C1B0000-0x000000001C230000-memory.dmp

Filesize
512KB

Download
memory/2208-24-0x000000001C6E0000-0x000000001CA98000-memory.dmp

Filesize
3.7MB

Download
memory/2208-11-0x0000000000CF0000-0x000000000116A000-memory.dmp

Filesize
4.5MB

Download
memory/2208-10-0x000007FEF65E3000-0x000007FEF65E4000-memory.dmp

Filesize
4KB

Download
memory/2232-61-0x0000000000E80000-0x00000000012FA000-memory.dmp

Filesize
4.5MB

Download
memory/2920-51-0x000000001B730000-0x000000001BA12000-memory.dmp

Filesize
2.9MB

Download
memory/2920-52-0x0000000002290000-0x0000000002298000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads