redline | 35fb5f5b7888cd756ede29efa67886e0d2c460646dba646ec1be48c1971003d7

Analysis

max time kernel
148s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
06/05/2023, 21:19

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General

Target

35fb5f5b7888cd756ede29efa67886e0d2c460646dba646ec1be48c1971003d7.exe
Size

690KB
MD5

d59e31f538f8e328546a340674f8645c
SHA1

51b717cc1541c1b5a07d096e902e25b0b055a348
SHA256

35fb5f5b7888cd756ede29efa67886e0d2c460646dba646ec1be48c1971003d7
SHA512

077a22efd0319adcca4afcb213fa75f6ff78f8143d81a92861bbc6d6a23676bc362d124b6eaf8bf9ee1c18dde1d25f2f3849316908eb4fd059b50cdf2cadabaf
SSDEEP

12288:Ay90VnUFJk/ufMrRPvMhsofdkfRkVS63Mq0ZGhGJniNEmVu1ul6A/EyK:AyLk/uf8RPvGskGRkSJxZ4NoGRsyK

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/4104-988-0x00000000075D0000-0x0000000007BE8000-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	53309168.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	53309168.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	53309168.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	53309168.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	53309168.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	53309168.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
2192	un133688.exe
4516	53309168.exe
4104	rk197346.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	53309168.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	53309168.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
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\\\""	35fb5f5b7888cd756ede29efa67886e0d2c460646dba646ec1be48c1971003d7.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	un133688.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\\\""	un133688.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	35fb5f5b7888cd756ede29efa67886e0d2c460646dba646ec1be48c1971003d7.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
224	4516	WerFault.exe	85

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4516	53309168.exe
4516	53309168.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4516	53309168.exe
Token: SeDebugPrivilege	4104	rk197346.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2192	2284	35fb5f5b7888cd756ede29efa67886e0d2c460646dba646ec1be48c1971003d7.exe	84
PID 2284 wrote to memory of 2192	2284	35fb5f5b7888cd756ede29efa67886e0d2c460646dba646ec1be48c1971003d7.exe	84
PID 2284 wrote to memory of 2192	2284	35fb5f5b7888cd756ede29efa67886e0d2c460646dba646ec1be48c1971003d7.exe	84
PID 2192 wrote to memory of 4516	2192	un133688.exe	85
PID 2192 wrote to memory of 4516	2192	un133688.exe	85
PID 2192 wrote to memory of 4516	2192	un133688.exe	85
PID 2192 wrote to memory of 4104	2192	un133688.exe	90
PID 2192 wrote to memory of 4104	2192	un133688.exe	90
PID 2192 wrote to memory of 4104	2192	un133688.exe	90

C:\Users\Admin\AppData\Local\Temp\35fb5f5b7888cd756ede29efa67886e0d2c460646dba646ec1be48c1971003d7.exe
"C:\Users\Admin\AppData\Local\Temp\35fb5f5b7888cd756ede29efa67886e0d2c460646dba646ec1be48c1971003d7.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un133688.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un133688.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2192
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\53309168.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\53309168.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4516
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4516 -s 1084
      4⤵
      Program crash
      PID:224
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk197346.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk197346.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:4104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4516 -ip 4516
1⤵
PID:3740

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\un133688.exe

Filesize
536KB

MD5
9ec1f4ea7e0ea9b25522736ec8ae1317

SHA1
9cf02362d8f01465e2e0d8e713b05cc5888adfb5

SHA256
fa0164d731494fae163726e74d78cba342a31e85fb1d4e5373651b931a0ba35a

SHA512
e8093a3b544c903f0007747d80d153f8fac3c2b2aa5982ea23c793dcabbe4ca9bf0a3beff788918bbbc669ef9962d96d985ac749fa48753f6ed68e83fad39f7c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un133688.exe

Filesize
536KB

MD5
9ec1f4ea7e0ea9b25522736ec8ae1317

SHA1
9cf02362d8f01465e2e0d8e713b05cc5888adfb5

SHA256
fa0164d731494fae163726e74d78cba342a31e85fb1d4e5373651b931a0ba35a

SHA512
e8093a3b544c903f0007747d80d153f8fac3c2b2aa5982ea23c793dcabbe4ca9bf0a3beff788918bbbc669ef9962d96d985ac749fa48753f6ed68e83fad39f7c

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\53309168.exe

Filesize
258KB

MD5
951edf838f3fd6f73ef7dfce34a4049c

SHA1
ee4b00c87be6ceb851dc9f6569f31333b1afaa0b

SHA256
2a139a1c47e26170ef6af3840bcbe99872eb4dcc2c02de836ab1fc1d8a869442

SHA512
22d17a8bd0337e91a2c4fb6913cc29481f072c8a0ebf97ab95aae998207d327e765adb6a07bee44c765a77db2577a2d4285fe0cda134f526cd14c391aa4d0716

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\53309168.exe

Filesize
258KB

MD5
951edf838f3fd6f73ef7dfce34a4049c

SHA1
ee4b00c87be6ceb851dc9f6569f31333b1afaa0b

SHA256
2a139a1c47e26170ef6af3840bcbe99872eb4dcc2c02de836ab1fc1d8a869442

SHA512
22d17a8bd0337e91a2c4fb6913cc29481f072c8a0ebf97ab95aae998207d327e765adb6a07bee44c765a77db2577a2d4285fe0cda134f526cd14c391aa4d0716

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk197346.exe

Filesize
341KB

MD5
e1ac90120d52cc657eefb538d254c540

SHA1
73b764dc4e41f8fddecab6bf4c61b1b5251be666

SHA256
6dfea7801190d7f8b2851d3980e62cfbe941b541e7e13c75ebb168fa4342acca

SHA512
1832bc0223e7f0f30386be91af6e5e829156c9f6edb2554040d2893a9f7626e38c905bcd1d471ac5082fab46a298bf9e8dc564d8b0337ba4b8fd9117042eab81

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk197346.exe

Filesize
341KB

MD5
e1ac90120d52cc657eefb538d254c540

SHA1
73b764dc4e41f8fddecab6bf4c61b1b5251be666

SHA256
6dfea7801190d7f8b2851d3980e62cfbe941b541e7e13c75ebb168fa4342acca

SHA512
1832bc0223e7f0f30386be91af6e5e829156c9f6edb2554040d2893a9f7626e38c905bcd1d471ac5082fab46a298bf9e8dc564d8b0337ba4b8fd9117042eab81

Download Submit
memory/4104-217-0x0000000002300000-0x0000000002335000-memory.dmp

Filesize
212KB

Download
memory/4104-329-0x00000000020D0000-0x0000000002116000-memory.dmp

Filesize
280KB

Download
memory/4104-999-0x0000000002700000-0x0000000002710000-memory.dmp

Filesize
64KB

Download
memory/4104-996-0x0000000002700000-0x0000000002710000-memory.dmp

Filesize
64KB

Download
memory/4104-995-0x0000000007D00000-0x0000000007D3C000-memory.dmp

Filesize
240KB

Download
memory/4104-994-0x0000000007BF0000-0x0000000007CFA000-memory.dmp

Filesize
1.0MB

Download
memory/4104-993-0x0000000002700000-0x0000000002710000-memory.dmp

Filesize
64KB

Download
memory/4104-992-0x0000000002700000-0x0000000002710000-memory.dmp

Filesize
64KB

Download
memory/4104-991-0x0000000002700000-0x0000000002710000-memory.dmp

Filesize
64KB

Download
memory/4104-990-0x0000000002720000-0x0000000002732000-memory.dmp

Filesize
72KB

Download
memory/4104-195-0x0000000002300000-0x0000000002335000-memory.dmp

Filesize
212KB

Download
memory/4104-335-0x0000000002700000-0x0000000002710000-memory.dmp

Filesize
64KB

Download
memory/4104-199-0x0000000002300000-0x0000000002335000-memory.dmp

Filesize
212KB

Download
memory/4104-193-0x0000000002300000-0x0000000002335000-memory.dmp

Filesize
212KB

Download
memory/4104-333-0x0000000002700000-0x0000000002710000-memory.dmp

Filesize
64KB

Download
memory/4104-203-0x0000000002300000-0x0000000002335000-memory.dmp

Filesize
212KB

Download
memory/4104-331-0x0000000002700000-0x0000000002710000-memory.dmp

Filesize
64KB

Download
memory/4104-221-0x0000000002300000-0x0000000002335000-memory.dmp

Filesize
212KB

Download
memory/4104-219-0x0000000002300000-0x0000000002335000-memory.dmp

Filesize
212KB

Download
memory/4104-215-0x0000000002300000-0x0000000002335000-memory.dmp

Filesize
212KB

Download
memory/4104-213-0x0000000002300000-0x0000000002335000-memory.dmp

Filesize
212KB

Download
memory/4104-211-0x0000000002300000-0x0000000002335000-memory.dmp

Filesize
212KB

Download
memory/4104-209-0x0000000002300000-0x0000000002335000-memory.dmp

Filesize
212KB

Download
memory/4104-192-0x0000000002300000-0x0000000002335000-memory.dmp

Filesize
212KB

Download
memory/4104-207-0x0000000002300000-0x0000000002335000-memory.dmp

Filesize
212KB

Download
memory/4104-988-0x00000000075D0000-0x0000000007BE8000-memory.dmp

Filesize
6.1MB

Download
memory/4104-205-0x0000000002300000-0x0000000002335000-memory.dmp

Filesize
212KB

Download
memory/4104-197-0x0000000002300000-0x0000000002335000-memory.dmp

Filesize
212KB

Download
memory/4104-201-0x0000000002300000-0x0000000002335000-memory.dmp

Filesize
212KB

Download
memory/4516-175-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/4516-173-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/4516-153-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/4516-149-0x0000000004A60000-0x0000000005004000-memory.dmp

Filesize
5.6MB

Download
memory/4516-150-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/4516-183-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4516-182-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/4516-148-0x00000000005D0000-0x00000000005FD000-memory.dmp

Filesize
180KB

Download
memory/4516-181-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/4516-180-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/4516-179-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4516-178-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/4516-177-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/4516-171-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/4516-169-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/4516-167-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/4516-165-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/4516-159-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/4516-161-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/4516-163-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/4516-157-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/4516-155-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/4516-151-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download