Overview
overview
10Static
static
3149cd41e04...01.exe
windows10-2004-x64
10224cc5582a...c7.exe
windows10-2004-x64
102489ba0556...26.exe
windows10-2004-x64
1024bb66f25f...0a.exe
windows7-x64
324bb66f25f...0a.exe
windows10-2004-x64
103ec1481872...d9.exe
windows10-2004-x64
10628eb5e58d...90.exe
windows10-2004-x64
106aa8d5d0d6...df.exe
windows10-2004-x64
1077b8709187...06.exe
windows7-x64
377b8709187...06.exe
windows10-2004-x64
1094a701520b...a3.exe
windows10-2004-x64
10d9d3f90c8c...39.exe
windows7-x64
3d9d3f90c8c...39.exe
windows10-2004-x64
10f02b51da6b...9b.exe
windows10-2004-x64
10Analysis
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max time kernel
141s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
13-05-2024 17:44
Static task
static1
Behavioral task
behavioral1
Sample
149cd41e04afd54119c40358aa55b0d0de72a8c1e612ff1d1d4d79ab20ba8a01.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
224cc5582a9ac886fdd93fbf84f5c94ce0cbf206de2d7defc6c50dc8e03974c7.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
2489ba0556a2d308110025f336bb741c15538f7a7711d47ebb9765ce58c94026.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral4
Sample
24bb66f25f5846f5ea1f67380d2e9e03d5b0407a21b48ff5b74ad88f86154c0a.exe
Resource
win7-20240215-en
Behavioral task
behavioral5
Sample
24bb66f25f5846f5ea1f67380d2e9e03d5b0407a21b48ff5b74ad88f86154c0a.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral6
Sample
3ec1481872e34c0f6b2c41f3f178fb42c073b52fa885bcf975535f131944bbd9.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
628eb5e58da922f1ec2c7e11dcd4c6cabba8c691205bf118898876a7c1231c90.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral8
Sample
6aa8d5d0d6b96fe2a165ee46c9e31059a444b4fae6660eee669539f88bf869df.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
77b8709187b6802be16e005b1139331349304c04ecd4e741e8609229f0134806.exe
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
77b8709187b6802be16e005b1139331349304c04ecd4e741e8609229f0134806.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral11
Sample
94a701520b1541ce168a4e497a826d85bec77dc049bdd7de9e4665fd8ccb7fa3.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral12
Sample
d9d3f90c8cee71d17c70e5d1c7d465726e06b1c7cb5b617fd47d203403a1e439.exe
Resource
win7-20240508-en
Behavioral task
behavioral13
Sample
d9d3f90c8cee71d17c70e5d1c7d465726e06b1c7cb5b617fd47d203403a1e439.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral14
Sample
f02b51da6b6ee268ba4e404af6561d6ba14b5517acb7a394deaeebb29740329b.exe
Resource
win10v2004-20240226-en
General
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Target
628eb5e58da922f1ec2c7e11dcd4c6cabba8c691205bf118898876a7c1231c90.exe
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Size
488KB
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MD5
ce17138e84e3d3fb7fc10266b95ee07f
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SHA1
a89d73b42ad44a70c349dead2f0ad47043a75266
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SHA256
628eb5e58da922f1ec2c7e11dcd4c6cabba8c691205bf118898876a7c1231c90
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SHA512
08c4e34ed1059ae3c8909ad4eff1f642c02c75181d49fc10a8f3485df3eb721ad128599d2edf4ddcd3310d1b0f1a4e6cd656af55152e8cb0238d03918eeb4f0c
-
SSDEEP
6144:KNy+bnr+ap0yN90QEoR2wkWcnZNDQR5T0FONdpmOQN/5WjWYNiPma0AqSeF16iXo:/MrOy90C4ZFOpmvsVx4feDpVNnJA2Di
Malware Config
Extracted
redline
mixa
185.161.248.75:4132
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auth_value
9d14534b25ac495ab25b59800acf3bb2
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection a2686029.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" a2686029.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" a2686029.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" a2686029.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" a2686029.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" a2686029.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 2 IoCs
resource yara_rule behavioral7/files/0x0007000000023401-51.dat family_redline behavioral7/memory/5660-53-0x0000000000F40000-0x0000000000F6E000-memory.dmp family_redline -
Executes dropped EXE 3 IoCs
pid Process 4504 v8835981.exe 784 a2686029.exe 5660 b8865089.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" a2686029.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features a2686029.exe -
Adds Run key to start application 2 TTPs 2 IoCs
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\\\"" 628eb5e58da922f1ec2c7e11dcd4c6cabba8c691205bf118898876a7c1231c90.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\\\"" v8835981.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 784 a2686029.exe 784 a2686029.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 784 a2686029.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 5312 wrote to memory of 4504 5312 628eb5e58da922f1ec2c7e11dcd4c6cabba8c691205bf118898876a7c1231c90.exe 82 PID 5312 wrote to memory of 4504 5312 628eb5e58da922f1ec2c7e11dcd4c6cabba8c691205bf118898876a7c1231c90.exe 82 PID 5312 wrote to memory of 4504 5312 628eb5e58da922f1ec2c7e11dcd4c6cabba8c691205bf118898876a7c1231c90.exe 82 PID 4504 wrote to memory of 784 4504 v8835981.exe 83 PID 4504 wrote to memory of 784 4504 v8835981.exe 83 PID 4504 wrote to memory of 784 4504 v8835981.exe 83 PID 4504 wrote to memory of 5660 4504 v8835981.exe 93 PID 4504 wrote to memory of 5660 4504 v8835981.exe 93 PID 4504 wrote to memory of 5660 4504 v8835981.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\628eb5e58da922f1ec2c7e11dcd4c6cabba8c691205bf118898876a7c1231c90.exe"C:\Users\Admin\AppData\Local\Temp\628eb5e58da922f1ec2c7e11dcd4c6cabba8c691205bf118898876a7c1231c90.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5312 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8835981.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v8835981.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4504 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2686029.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2686029.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:784
-
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8865089.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8865089.exe3⤵
- Executes dropped EXE
PID:5660
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
316KB
MD5f712934f99fbfc9b1ff2398abc331fbd
SHA18efdec052dddd0cda493feb71e6e19699b29cdd4
SHA25623fcf9bc69ee1c0d5089103821b4a531b975fae897eba7a91861452d69803225
SHA512fd5e93f020a606ead8f3d667fdc68caf87250839b494e0e1055894d13d0fe0e4b413af2a6b42fc741d95794e3d0dcbfc2ee93d7925ee457cdc3f771b768390ab
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Filesize
184KB
MD5d4c640fb500618ad6c9fc5fe7d3e784d
SHA1850df0880e1685ce709b44afbbb365cab4f0fec4
SHA256a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b
SHA512a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd
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Filesize
168KB
MD5e8bcc63883d9303cb6379767c8acce82
SHA178a8b019f11ca835eb8d28dcf860bed1c8a5ddd3
SHA2565905a2bad60d98e2355ef9ee8a622760949b70237189704a13c6a2ec2fe61899
SHA512b6b045cf31f7d7342cd2781bb8d1617495c193cd891fb650028ed0b98a673570ca78599a343a4b6f813e3bb39f347e3f8e20c0a525b68d16324269e36cdd3d45