redline | d54ae69768c264166dc63e23367eb493cd879d61765d057d5840098de4749eba

General

Target

CutorUPDated.exe
Size

493KB
MD5

07d15974cd8ee4331b4df426ad1146b6
SHA1

a597b1d0e85bbb4dde32ed4a6106ef27f747fd96
SHA256

d54ae69768c264166dc63e23367eb493cd879d61765d057d5840098de4749eba
SHA512

47944b04701b63f06f2a78574dd41dc316b64895b0ce9747e05e45ce8a3f52a7f39f26bd8408a2f841d5a6fafc64288f32e1467ad21d166987d06def606a7727
SSDEEP

6144:gylYHzRoKNDhsIdRYqQZDXNlUbVwqchGUUkVwTER1IBbJAG6oq1zBnvQdB9JnNUC:+HFoKN2rqZUpADb6G6ZXQHvNUC

Score

10^/10

redline discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

C2

194.26.232.43:20746

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
behavioral1/memory/3996-1-0x0000000000400000-0x0000000000452000-memory.dmp	family_redline

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1900 set thread context of 3996	1900	CutorUPDated.exe	84

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	taskmgr.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	taskmgr.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064	RegAsm.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064\Blob = 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	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
3996	RegAsm.exe
3996	RegAsm.exe
3996	RegAsm.exe
3996	RegAsm.exe
3996	RegAsm.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3996	RegAsm.exe
Token: SeDebugPrivilege	392	taskmgr.exe
Token: SeSystemProfilePrivilege	392	taskmgr.exe
Token: SeCreateGlobalPrivilege	392	taskmgr.exe
Token: 33	392	taskmgr.exe
Token: SeIncBasePriorityPrivilege	392	taskmgr.exe

Suspicious use of FindShellTrayWindow 36 IoCs

pid	Process
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe

Suspicious use of SendNotifyMessage 36 IoCs

pid	Process
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe
392	taskmgr.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 3996	1900	CutorUPDated.exe	84
PID 1900 wrote to memory of 3996	1900	CutorUPDated.exe	84
PID 1900 wrote to memory of 3996	1900	CutorUPDated.exe	84
PID 1900 wrote to memory of 3996	1900	CutorUPDated.exe	84
PID 1900 wrote to memory of 3996	1900	CutorUPDated.exe	84
PID 1900 wrote to memory of 3996	1900	CutorUPDated.exe	84
PID 1900 wrote to memory of 3996	1900	CutorUPDated.exe	84
PID 1900 wrote to memory of 3996	1900	CutorUPDated.exe	84

C:\Users\Admin\AppData\Local\Temp\CutorUPDated.exe
"C:\Users\Admin\AppData\Local\Temp\CutorUPDated.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3996

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Checks SCSI registry key(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Tmp38E2.tmp

Filesize
2KB

MD5
1420d30f964eac2c85b2ccfe968eebce

SHA1
bdf9a6876578a3e38079c4f8cf5d6c79687ad750

SHA256
f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

SHA512
6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

Download Submit
memory/392-52-0x000001A2954D0000-0x000001A2954D1000-memory.dmp

Filesize
4KB

Download
memory/392-48-0x000001A2954D0000-0x000001A2954D1000-memory.dmp

Filesize
4KB

Download
memory/392-49-0x000001A2954D0000-0x000001A2954D1000-memory.dmp

Filesize
4KB

Download
memory/392-50-0x000001A2954D0000-0x000001A2954D1000-memory.dmp

Filesize
4KB

Download
memory/392-51-0x000001A2954D0000-0x000001A2954D1000-memory.dmp

Filesize
4KB

Download
memory/392-41-0x000001A2954D0000-0x000001A2954D1000-memory.dmp

Filesize
4KB

Download
memory/392-53-0x000001A2954D0000-0x000001A2954D1000-memory.dmp

Filesize
4KB

Download
memory/392-47-0x000001A2954D0000-0x000001A2954D1000-memory.dmp

Filesize
4KB

Download
memory/392-42-0x000001A2954D0000-0x000001A2954D1000-memory.dmp

Filesize
4KB

Download
memory/392-43-0x000001A2954D0000-0x000001A2954D1000-memory.dmp

Filesize
4KB

Download
memory/1900-0-0x0000000000FD0000-0x0000000000FD1000-memory.dmp

Filesize
4KB

Download
memory/1900-2-0x0000000000FD0000-0x0000000000FD1000-memory.dmp

Filesize
4KB

Download
memory/3996-7-0x0000000005610000-0x000000000561A000-memory.dmp

Filesize
40KB

Download
memory/3996-29-0x0000000006B90000-0x0000000006C9A000-memory.dmp

Filesize
1.0MB

Download
memory/3996-32-0x0000000006CA0000-0x0000000006CEC000-memory.dmp

Filesize
304KB

Download
memory/3996-33-0x0000000006DE0000-0x0000000006E46000-memory.dmp

Filesize
408KB

Download
memory/3996-36-0x0000000007860000-0x00000000078B0000-memory.dmp

Filesize
320KB

Download
memory/3996-37-0x0000000007C80000-0x0000000007E42000-memory.dmp

Filesize
1.8MB

Download
memory/3996-38-0x0000000008380000-0x00000000088AC000-memory.dmp

Filesize
5.2MB

Download
memory/3996-40-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3996-30-0x0000000006AD0000-0x0000000006AE2000-memory.dmp

Filesize
72KB

Download
memory/3996-31-0x0000000006B30000-0x0000000006B6C000-memory.dmp

Filesize
240KB

Download
memory/3996-28-0x0000000007040000-0x0000000007658000-memory.dmp

Filesize
6.1MB

Download
memory/3996-25-0x0000000006A00000-0x0000000006A1E000-memory.dmp

Filesize
120KB

Download
memory/3996-24-0x0000000006310000-0x0000000006386000-memory.dmp

Filesize
472KB

Download
memory/3996-6-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3996-5-0x0000000005630000-0x00000000056C2000-memory.dmp

Filesize
584KB

Download
memory/3996-4-0x0000000005BE0000-0x0000000006184000-memory.dmp

Filesize
5.6MB

Download
memory/3996-3-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

Filesize
4KB

Download
memory/3996-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads