redline | e8aa91d19367702edf341653579119436ed35212cc31a29a7722dd9cf0cebd21

Analysis

max time kernel
151s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
05/05/2023, 20:16

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General

Target

e8aa91d19367702edf341653579119436ed35212cc31a29a7722dd9cf0cebd21.exe
Size

746KB
MD5

f3919a82cca1140f52023a7eb35c8f7a
SHA1

02fb89314aae7ae8904d3960963fd27fa6cbc3c9
SHA256

e8aa91d19367702edf341653579119436ed35212cc31a29a7722dd9cf0cebd21
SHA512

16848a8add48e33f2a7977cf6ac68065d301d007623f866d6124941dfe810056e8fa0e936a1a684f98f98e983bb3096d08afa3bb757739c9fe7ed7cdf278b6a4
SSDEEP

12288:+y90O7hi0c1KmiL4TOGHcRXdxf0CwOiPsZ9R9BtKVG2ZVRs1lvL4:+yZl9pmiLeOGHK4CwOiPsZtKV/ZSU

Score

10^/10

redline evasion infostealer persistence stealer trojan

Malware Config

Signatures

Detects Redline Stealer samples 1 IoCs

This rule detects the presence of Redline Stealer samples based on their unique strings.

stealer

resource	yara_rule
behavioral2/memory/2364-987-0x0000000007900000-0x0000000007F18000-memory.dmp	redline_stealer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	56333247.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	56333247.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	56333247.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	56333247.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	56333247.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	56333247.exe

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

Executes dropped EXE 3 IoCs

pid	Process
4572	un289876.exe
4592	56333247.exe
2364	rk861747.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	56333247.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	56333247.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	e8aa91d19367702edf341653579119436ed35212cc31a29a7722dd9cf0cebd21.exe
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\\\""	e8aa91d19367702edf341653579119436ed35212cc31a29a7722dd9cf0cebd21.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	un289876.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	un289876.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4172	4592	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4592	56333247.exe
4592	56333247.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4592	56333247.exe
Token: SeDebugPrivilege	2364	rk861747.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 4572	1764	e8aa91d19367702edf341653579119436ed35212cc31a29a7722dd9cf0cebd21.exe	85
PID 1764 wrote to memory of 4572	1764	e8aa91d19367702edf341653579119436ed35212cc31a29a7722dd9cf0cebd21.exe	85
PID 1764 wrote to memory of 4572	1764	e8aa91d19367702edf341653579119436ed35212cc31a29a7722dd9cf0cebd21.exe	85
PID 4572 wrote to memory of 4592	4572	un289876.exe	86
PID 4572 wrote to memory of 4592	4572	un289876.exe	86
PID 4572 wrote to memory of 4592	4572	un289876.exe	86
PID 4572 wrote to memory of 2364	4572	un289876.exe	97
PID 4572 wrote to memory of 2364	4572	un289876.exe	97
PID 4572 wrote to memory of 2364	4572	un289876.exe	97

C:\Users\Admin\AppData\Local\Temp\e8aa91d19367702edf341653579119436ed35212cc31a29a7722dd9cf0cebd21.exe
"C:\Users\Admin\AppData\Local\Temp\e8aa91d19367702edf341653579119436ed35212cc31a29a7722dd9cf0cebd21.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289876.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289876.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4572
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\56333247.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\56333247.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4592
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 1080
      4⤵
      Program crash
      PID:4172
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk861747.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk861747.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4592 -ip 4592
1⤵
PID:1272

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289876.exe

Filesize
592KB

MD5
b6782b184b730340b762b8c955892c90

SHA1
ac117a78f04c9cff344b02b6d339803769dd9a72

SHA256
d9f3cfeecb380c07a197dd93cf822076bf5d8c5fb67b57413f69c191352e2e11

SHA512
765b4121dff5a472389800f38cf6e26bbc1e9d2ad3610b56cbae1f643855da4c18699a89bc2a385113c7cda94d290297b8284ac75208e852e3207f56845fe957

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un289876.exe

Filesize
592KB

MD5
b6782b184b730340b762b8c955892c90

SHA1
ac117a78f04c9cff344b02b6d339803769dd9a72

SHA256
d9f3cfeecb380c07a197dd93cf822076bf5d8c5fb67b57413f69c191352e2e11

SHA512
765b4121dff5a472389800f38cf6e26bbc1e9d2ad3610b56cbae1f643855da4c18699a89bc2a385113c7cda94d290297b8284ac75208e852e3207f56845fe957

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\56333247.exe

Filesize
376KB

MD5
d21364cec60a1dde239b881d6dacf5e3

SHA1
aaf8ab660ff504752b185baca2c903930683c157

SHA256
533d087789f42aa8aed2f45929f129be211b70c4def98cce1b2dcbde6feb9b1b

SHA512
4fc803ed044886e7333c0afde1f56eb089dd36e3df4f158aebe1f39d87913e2a8a5463a9b205f2500b085cfe5ddedf6bc0fb771dfeb7f4ebfa350106281038a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\56333247.exe

Filesize
376KB

MD5
d21364cec60a1dde239b881d6dacf5e3

SHA1
aaf8ab660ff504752b185baca2c903930683c157

SHA256
533d087789f42aa8aed2f45929f129be211b70c4def98cce1b2dcbde6feb9b1b

SHA512
4fc803ed044886e7333c0afde1f56eb089dd36e3df4f158aebe1f39d87913e2a8a5463a9b205f2500b085cfe5ddedf6bc0fb771dfeb7f4ebfa350106281038a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk861747.exe

Filesize
459KB

MD5
e54df20103e517d893f5d711681d75d9

SHA1
697a5cf3a597a5bf15604659d5da24ec5f62d5a9

SHA256
33dbc049fec7f072f83680d8becacc2ca8067a5494ec43a03362750d2cef3beb

SHA512
806533c0b29cd2ff5fc4bdaef3ea1655c16ffcf812eb3f7cfb7dcdab34008718041de9e78c5a86c8c5bb7d3cc279b34beeead2ce2db59d85aec19cba1aa5ab52

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk861747.exe

Filesize
459KB

MD5
e54df20103e517d893f5d711681d75d9

SHA1
697a5cf3a597a5bf15604659d5da24ec5f62d5a9

SHA256
33dbc049fec7f072f83680d8becacc2ca8067a5494ec43a03362750d2cef3beb

SHA512
806533c0b29cd2ff5fc4bdaef3ea1655c16ffcf812eb3f7cfb7dcdab34008718041de9e78c5a86c8c5bb7d3cc279b34beeead2ce2db59d85aec19cba1aa5ab52

Download Submit
memory/2364-216-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/2364-222-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/2364-996-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download
memory/2364-995-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download
memory/2364-994-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download
memory/2364-993-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download
memory/2364-991-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download
memory/2364-193-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/2364-989-0x0000000007F90000-0x000000000809A000-memory.dmp

Filesize
1.0MB

Download
memory/2364-191-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/2364-988-0x0000000007F70000-0x0000000007F82000-memory.dmp

Filesize
72KB

Download
memory/2364-987-0x0000000007900000-0x0000000007F18000-memory.dmp

Filesize
6.1MB

Download
memory/2364-226-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/2364-224-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/2364-195-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download
memory/2364-197-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download
memory/2364-220-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/2364-218-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/2364-214-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/2364-212-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/2364-210-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/2364-208-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/2364-206-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/2364-204-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/2364-192-0x0000000000820000-0x0000000000866000-memory.dmp

Filesize
280KB

Download
memory/2364-194-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download
memory/2364-202-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/2364-990-0x00000000080B0000-0x00000000080EC000-memory.dmp

Filesize
240KB

Download
memory/2364-200-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/2364-198-0x0000000002990000-0x00000000029C5000-memory.dmp

Filesize
212KB

Download
memory/4592-175-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/4592-170-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/4592-152-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

Filesize
72KB

Download
memory/4592-149-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

Filesize
72KB

Download
memory/4592-150-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

Filesize
72KB

Download
memory/4592-185-0x0000000000400000-0x0000000000803000-memory.dmp

Filesize
4.0MB

Download
memory/4592-183-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/4592-182-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/4592-181-0x0000000000400000-0x0000000000803000-memory.dmp

Filesize
4.0MB

Download
memory/4592-148-0x0000000005080000-0x0000000005624000-memory.dmp

Filesize
5.6MB

Download
memory/4592-180-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

Filesize
72KB

Download
memory/4592-178-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

Filesize
72KB

Download
memory/4592-176-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

Filesize
72KB

Download
memory/4592-172-0x0000000005070000-0x0000000005080000-memory.dmp

Filesize
64KB

Download
memory/4592-173-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

Filesize
72KB

Download
memory/4592-169-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

Filesize
72KB

Download
memory/4592-168-0x00000000008E0000-0x000000000090D000-memory.dmp

Filesize
180KB

Download
memory/4592-166-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

Filesize
72KB

Download
memory/4592-164-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

Filesize
72KB

Download
memory/4592-162-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

Filesize
72KB

Download
memory/4592-160-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

Filesize
72KB

Download
memory/4592-158-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

Filesize
72KB

Download
memory/4592-154-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

Filesize
72KB

Download
memory/4592-156-0x0000000004EC0000-0x0000000004ED2000-memory.dmp

Filesize
72KB

Download