Analysis
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max time kernel
153s -
max time network
197s -
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 21:47
Static task
static1
Behavioral task
behavioral1
Sample
4c58c170fa0cf2f099d788ea28007200530b48a7ce5ce9a0ebf8fa7a3a45ae86.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
4c58c170fa0cf2f099d788ea28007200530b48a7ce5ce9a0ebf8fa7a3a45ae86.exe
Resource
win10v2004-20230220-en
General
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Target
4c58c170fa0cf2f099d788ea28007200530b48a7ce5ce9a0ebf8fa7a3a45ae86.exe
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Size
1.2MB
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MD5
c4484a13ebfe6c2faa5a247b7b1131fe
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SHA1
44efe8c17b5b3701038f16cc86fd32380e888883
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SHA256
4c58c170fa0cf2f099d788ea28007200530b48a7ce5ce9a0ebf8fa7a3a45ae86
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SHA512
9eda3a0b7703b2ac6d0a9832daa5a697a58d1d3185cea1a299a449f91448779a2b3b3022c6225395d82f80fdf8703f3c30051489453be62cb6292e23fcbb8327
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SSDEEP
24576:xVQCVvyI/k4Zf9YMGp77zdd0ZKUNk9e0KUDsM1dpkJNK35m:xVtvhk499YMGVzddAge0KUDsiyNK
Malware Config
Signatures
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Detects Redline Stealer samples 1 IoCs
This rule detects the presence of Redline Stealer samples based on their unique strings.
resource yara_rule behavioral2/memory/4940-1018-0x0000000007900000-0x0000000007F18000-memory.dmp redline_stealer -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" 190709580.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" 190709580.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" 190709580.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" 190709580.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection 190709580.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" 190709580.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Executes dropped EXE 4 IoCs
pid Process 1476 VZ957923.exe 1520 HG058549.exe 208 190709580.exe 4940 297062213.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" 190709580.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features 190709580.exe -
Adds Run key to start application 2 TTPs 6 IoCs
description ioc Process 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\\\"" HG058549.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 4c58c170fa0cf2f099d788ea28007200530b48a7ce5ce9a0ebf8fa7a3a45ae86.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\\\"" 4c58c170fa0cf2f099d788ea28007200530b48a7ce5ce9a0ebf8fa7a3a45ae86.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce VZ957923.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\\\"" VZ957923.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce HG058549.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4848 208 WerFault.exe 85 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 208 190709580.exe 208 190709580.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 208 190709580.exe Token: SeDebugPrivilege 4940 297062213.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4228 wrote to memory of 1476 4228 4c58c170fa0cf2f099d788ea28007200530b48a7ce5ce9a0ebf8fa7a3a45ae86.exe 81 PID 4228 wrote to memory of 1476 4228 4c58c170fa0cf2f099d788ea28007200530b48a7ce5ce9a0ebf8fa7a3a45ae86.exe 81 PID 4228 wrote to memory of 1476 4228 4c58c170fa0cf2f099d788ea28007200530b48a7ce5ce9a0ebf8fa7a3a45ae86.exe 81 PID 1476 wrote to memory of 1520 1476 VZ957923.exe 84 PID 1476 wrote to memory of 1520 1476 VZ957923.exe 84 PID 1476 wrote to memory of 1520 1476 VZ957923.exe 84 PID 1520 wrote to memory of 208 1520 HG058549.exe 85 PID 1520 wrote to memory of 208 1520 HG058549.exe 85 PID 1520 wrote to memory of 208 1520 HG058549.exe 85 PID 1520 wrote to memory of 4940 1520 HG058549.exe 89 PID 1520 wrote to memory of 4940 1520 HG058549.exe 89 PID 1520 wrote to memory of 4940 1520 HG058549.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\4c58c170fa0cf2f099d788ea28007200530b48a7ce5ce9a0ebf8fa7a3a45ae86.exe"C:\Users\Admin\AppData\Local\Temp\4c58c170fa0cf2f099d788ea28007200530b48a7ce5ce9a0ebf8fa7a3a45ae86.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4228 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\VZ957923.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\VZ957923.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\HG058549.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\HG058549.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\190709580.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\190709580.exe4⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:208 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 10845⤵
- Program crash
PID:4848
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C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\297062213.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\297062213.exe4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 208 -ip 2081⤵PID:4624
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
764KB
MD5930848f4d972b28d262031b300e6a9fd
SHA1042c87a19d6faa9ac1875df7b0d2b2e6e0e88832
SHA256df2d2033319c4bde307ed96c4ff802f3fad906de8bb0aa2fefec5e8f5b40e726
SHA5126a9ac5f14e41f067807ecac05e3fa151677d0cbf9d51eaef6d953b1cf73dbfea6c6ca7d2aa9299052a3d077338a3bcc79c5af22f2e779a6f23085e1d9b4fe60a
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Filesize
764KB
MD5930848f4d972b28d262031b300e6a9fd
SHA1042c87a19d6faa9ac1875df7b0d2b2e6e0e88832
SHA256df2d2033319c4bde307ed96c4ff802f3fad906de8bb0aa2fefec5e8f5b40e726
SHA5126a9ac5f14e41f067807ecac05e3fa151677d0cbf9d51eaef6d953b1cf73dbfea6c6ca7d2aa9299052a3d077338a3bcc79c5af22f2e779a6f23085e1d9b4fe60a
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Filesize
592KB
MD54411c57112249950167e2fb10f3a5c21
SHA17ad1819dd9d6b34d5b189921ab4c0f9a945f7deb
SHA256581bcb58ddb1cd357ead0f01f7fad35528e2f94752e894d8cb16b52bb6f7cde3
SHA5126f0c00bd7cfbc18e476584458b861ce13ba40b3f771b579c2a55524af102fdfd0dc9bace19749e140041fdf9c225733bff619de2041a18f32f4ed8b01b61bb89
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Filesize
592KB
MD54411c57112249950167e2fb10f3a5c21
SHA17ad1819dd9d6b34d5b189921ab4c0f9a945f7deb
SHA256581bcb58ddb1cd357ead0f01f7fad35528e2f94752e894d8cb16b52bb6f7cde3
SHA5126f0c00bd7cfbc18e476584458b861ce13ba40b3f771b579c2a55524af102fdfd0dc9bace19749e140041fdf9c225733bff619de2041a18f32f4ed8b01b61bb89
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Filesize
378KB
MD5aa77ef7b31187dab2126982db6bddf63
SHA160c0c53ca68c8a166472150554d4f7d31a0605db
SHA2563c77f59c2c955bb799e085c3ae2171f7074cc9f54d725555b37fed026b217681
SHA51275fdeda4eb64fd77e5b54c4efc4ca1ef8d21d699f2f3bb40e80714bb72aeddf72172d3d6b65b6d26eb9e9b5b3cb70ecc78d7e7a3a1d3fdbd4771d117887c1622
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Filesize
378KB
MD5aa77ef7b31187dab2126982db6bddf63
SHA160c0c53ca68c8a166472150554d4f7d31a0605db
SHA2563c77f59c2c955bb799e085c3ae2171f7074cc9f54d725555b37fed026b217681
SHA51275fdeda4eb64fd77e5b54c4efc4ca1ef8d21d699f2f3bb40e80714bb72aeddf72172d3d6b65b6d26eb9e9b5b3cb70ecc78d7e7a3a1d3fdbd4771d117887c1622
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Filesize
460KB
MD585f72579f89826037f808def050f90cb
SHA1b14075137fc622bd4edf6a5de3e04ff6c39ff9cb
SHA256e4794dce180548fb580a671092b41708f0e6a4af78b545ec9670dd7164164c2d
SHA51228d86e1f8747c3329088d3fd82972e59826d500cf8ed5eccb3fbc045fa6280c877d0ef4ecb84e8f78f3a25fe768396a6a20c1379790f8232c32980144d5cffa4
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Filesize
460KB
MD585f72579f89826037f808def050f90cb
SHA1b14075137fc622bd4edf6a5de3e04ff6c39ff9cb
SHA256e4794dce180548fb580a671092b41708f0e6a4af78b545ec9670dd7164164c2d
SHA51228d86e1f8747c3329088d3fd82972e59826d500cf8ed5eccb3fbc045fa6280c877d0ef4ecb84e8f78f3a25fe768396a6a20c1379790f8232c32980144d5cffa4