redline | f7fff41e1dea553528633c5afe0f1b4d448256d8353d504d41de28d88e927a19

Analysis

max time kernel
151s
max time network
153s
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, 20:33

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General

Target

f7fff41e1dea553528633c5afe0f1b4d448256d8353d504d41de28d88e927a19.exe
Size

1.3MB
MD5

638f76b90828b7f1902b9b6bfc495340
SHA1

6b973198653684296c44c296726101b6f81998ba
SHA256

f7fff41e1dea553528633c5afe0f1b4d448256d8353d504d41de28d88e927a19
SHA512

513c14190bcbed4b62eb2afa778ea22d67cfe019254d75dd209ad22e5d6072b7aabc766f92073bf4391fe181e97b0922a54b9d008a2093e148e89453c7c42880
SSDEEP

24576:AOR69vbjPC6E/ejiI631d0ALtKexAQGCFs/y6aHW+uiwEfxaQ+1NG/GtS:AOObbE2ji/1KC8ip5aQcI+t

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/4648-1008-0x00000000078B0000-0x0000000007EC8000-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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	104623527.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	104623527.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	104623527.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	104623527.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	104623527.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	104623527.exe

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

Executes dropped EXE 4 IoCs

pid	Process
4404	vz693356.exe
1492	CO904441.exe
220	104623527.exe
4648	262821295.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	104623527.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	104623527.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	f7fff41e1dea553528633c5afe0f1b4d448256d8353d504d41de28d88e927a19.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\\\""	f7fff41e1dea553528633c5afe0f1b4d448256d8353d504d41de28d88e927a19.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	vz693356.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\\\""	vz693356.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	CO904441.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	CO904441.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3404	220	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
220	104623527.exe
220	104623527.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	220	104623527.exe
Token: SeDebugPrivilege	4648	262821295.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 4404	464	f7fff41e1dea553528633c5afe0f1b4d448256d8353d504d41de28d88e927a19.exe	83
PID 464 wrote to memory of 4404	464	f7fff41e1dea553528633c5afe0f1b4d448256d8353d504d41de28d88e927a19.exe	83
PID 464 wrote to memory of 4404	464	f7fff41e1dea553528633c5afe0f1b4d448256d8353d504d41de28d88e927a19.exe	83
PID 4404 wrote to memory of 1492	4404	vz693356.exe	85
PID 4404 wrote to memory of 1492	4404	vz693356.exe	85
PID 4404 wrote to memory of 1492	4404	vz693356.exe	85
PID 1492 wrote to memory of 220	1492	CO904441.exe	86
PID 1492 wrote to memory of 220	1492	CO904441.exe	86
PID 1492 wrote to memory of 220	1492	CO904441.exe	86
PID 1492 wrote to memory of 4648	1492	CO904441.exe	89
PID 1492 wrote to memory of 4648	1492	CO904441.exe	89
PID 1492 wrote to memory of 4648	1492	CO904441.exe	89

C:\Users\Admin\AppData\Local\Temp\f7fff41e1dea553528633c5afe0f1b4d448256d8353d504d41de28d88e927a19.exe
"C:\Users\Admin\AppData\Local\Temp\f7fff41e1dea553528633c5afe0f1b4d448256d8353d504d41de28d88e927a19.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:464
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vz693356.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vz693356.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4404
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\CO904441.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\CO904441.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:1492
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\104623527.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\104623527.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:220
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 220 -s 1080
        5⤵
        Program crash
        
        PID:3404
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\262821295.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\262821295.exe
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:4648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 220 -ip 220
1⤵
PID:1840

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\vz693356.exe

Filesize
771KB

MD5
2a4818915d389d559319b6d0b46e6371

SHA1
f0667836d0218c5c9a534d09c5a4bcc3b5822946

SHA256
a2e5f18518eb888f934368c392cb1cb82fc65aeb55e0beb65cc2689cf164c1ba

SHA512
7ed2eb6fa3fab840e0ebf4817eb80e79b47378d5c8335606daedf52ebe8188a960ab6187e78b7b8d3db39ec81ae14ceacc6b6c98322722e00c8d7e53005ff524

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vz693356.exe

Filesize
771KB

MD5
2a4818915d389d559319b6d0b46e6371

SHA1
f0667836d0218c5c9a534d09c5a4bcc3b5822946

SHA256
a2e5f18518eb888f934368c392cb1cb82fc65aeb55e0beb65cc2689cf164c1ba

SHA512
7ed2eb6fa3fab840e0ebf4817eb80e79b47378d5c8335606daedf52ebe8188a960ab6187e78b7b8d3db39ec81ae14ceacc6b6c98322722e00c8d7e53005ff524

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\CO904441.exe

Filesize
600KB

MD5
e42ab68c8e89e2c9bb9e06acafcab0bc

SHA1
42a79efec24d0282506c345434910a4d1677595f

SHA256
38e071801b0cc528ae2ea5b6b983f2b2fe5aed4812717a5fce4c057aeccbeeeb

SHA512
c8fbc2b534018deedcbe9522afc32e9458e360659a6297854512d6320484214abcdd1a18a1372a5176876b25cbb90f43e723ad13e2d474384f1036cedabaf10d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\CO904441.exe

Filesize
600KB

MD5
e42ab68c8e89e2c9bb9e06acafcab0bc

SHA1
42a79efec24d0282506c345434910a4d1677595f

SHA256
38e071801b0cc528ae2ea5b6b983f2b2fe5aed4812717a5fce4c057aeccbeeeb

SHA512
c8fbc2b534018deedcbe9522afc32e9458e360659a6297854512d6320484214abcdd1a18a1372a5176876b25cbb90f43e723ad13e2d474384f1036cedabaf10d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\104623527.exe

Filesize
395KB

MD5
9b0b29b311fb0309fad8b20f317cba3c

SHA1
b340447340fb8901664b6613c73eb5178d166745

SHA256
dcd3ab62648fe314f3bb31d319343222a6a7af52c9a1083fc0390c04b5de1855

SHA512
2faf667376b251d2a08a3507913d7638f5361804955bf56d86eb92323caed5414f2baa9be39de7a14ad24af45b6d4867c631da71da63d2aceae8f7c313ea52cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\104623527.exe

Filesize
395KB

MD5
9b0b29b311fb0309fad8b20f317cba3c

SHA1
b340447340fb8901664b6613c73eb5178d166745

SHA256
dcd3ab62648fe314f3bb31d319343222a6a7af52c9a1083fc0390c04b5de1855

SHA512
2faf667376b251d2a08a3507913d7638f5361804955bf56d86eb92323caed5414f2baa9be39de7a14ad24af45b6d4867c631da71da63d2aceae8f7c313ea52cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\262821295.exe

Filesize
478KB

MD5
8c4032cf356ab17df014ee7490f00f45

SHA1
141ac17a4f80b44925bc400e94412aa873519cb7

SHA256
613682b8a972bcef479e9d93340d3b98cc89a8e55c8b3a29d12ef8c4ef5aa49b

SHA512
2c62c7cb4b34e3089fdeaef56846e18c8f8f5d12f34f8d58f0a1d7b1f0aefee99f48da9a21d4aca87fe69f0247e75fb1b54bec1b896580ad1bf69760ef7b7e79

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\262821295.exe

Filesize
478KB

MD5
8c4032cf356ab17df014ee7490f00f45

SHA1
141ac17a4f80b44925bc400e94412aa873519cb7

SHA256
613682b8a972bcef479e9d93340d3b98cc89a8e55c8b3a29d12ef8c4ef5aa49b

SHA512
2c62c7cb4b34e3089fdeaef56846e18c8f8f5d12f34f8d58f0a1d7b1f0aefee99f48da9a21d4aca87fe69f0247e75fb1b54bec1b896580ad1bf69760ef7b7e79

Download Submit
memory/220-162-0x0000000000890000-0x00000000008BD000-memory.dmp

Filesize
180KB

Download
memory/220-163-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/220-164-0x0000000004E80000-0x0000000005424000-memory.dmp

Filesize
5.6MB

Download
memory/220-165-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/220-166-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/220-168-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/220-170-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/220-172-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/220-174-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/220-176-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/220-180-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/220-178-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/220-182-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/220-185-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/220-184-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/220-186-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/220-188-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/220-190-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/220-192-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/220-194-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/220-196-0x0000000000400000-0x0000000000808000-memory.dmp

Filesize
4.0MB

Download
memory/220-197-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/220-198-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/220-199-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/220-201-0x0000000000400000-0x0000000000808000-memory.dmp

Filesize
4.0MB

Download
memory/464-138-0x00000000027A0000-0x00000000028A6000-memory.dmp

Filesize
1.0MB

Download
memory/464-139-0x0000000000400000-0x00000000008E6000-memory.dmp

Filesize
4.9MB

Download
memory/4648-212-0x0000000005380000-0x00000000053B5000-memory.dmp

Filesize
212KB

Download
memory/4648-213-0x0000000005380000-0x00000000053B5000-memory.dmp

Filesize
212KB

Download
memory/4648-215-0x0000000005380000-0x00000000053B5000-memory.dmp

Filesize
212KB

Download
memory/4648-217-0x0000000000A80000-0x0000000000AC6000-memory.dmp

Filesize
280KB

Download
memory/4648-219-0x0000000005380000-0x00000000053B5000-memory.dmp

Filesize
212KB

Download
memory/4648-218-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

Filesize
64KB

Download
memory/4648-222-0x0000000005380000-0x00000000053B5000-memory.dmp

Filesize
212KB

Download
memory/4648-221-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

Filesize
64KB

Download
memory/4648-224-0x0000000005380000-0x00000000053B5000-memory.dmp

Filesize
212KB

Download
memory/4648-226-0x0000000005380000-0x00000000053B5000-memory.dmp

Filesize
212KB

Download
memory/4648-228-0x0000000005380000-0x00000000053B5000-memory.dmp

Filesize
212KB

Download
memory/4648-230-0x0000000005380000-0x00000000053B5000-memory.dmp

Filesize
212KB

Download
memory/4648-232-0x0000000005380000-0x00000000053B5000-memory.dmp

Filesize
212KB

Download
memory/4648-234-0x0000000005380000-0x00000000053B5000-memory.dmp

Filesize
212KB

Download
memory/4648-236-0x0000000005380000-0x00000000053B5000-memory.dmp

Filesize
212KB

Download
memory/4648-1008-0x00000000078B0000-0x0000000007EC8000-memory.dmp

Filesize
6.1MB

Download
memory/4648-1009-0x0000000007F70000-0x0000000007F82000-memory.dmp

Filesize
72KB

Download
memory/4648-1010-0x0000000007F90000-0x000000000809A000-memory.dmp

Filesize
1.0MB

Download
memory/4648-1011-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

Filesize
64KB

Download
memory/4648-1012-0x00000000080B0000-0x00000000080EC000-memory.dmp

Filesize
240KB

Download
memory/4648-1014-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

Filesize
64KB

Download
memory/4648-1015-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

Filesize
64KB

Download
memory/4648-1016-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

Filesize
64KB

Download
memory/4648-1018-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

Filesize
64KB

Download