Analysis
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max time kernel
135s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
27-03-2023 17:17
Static task
static1
Behavioral task
behavioral1
Sample
f549dbb0025260b4218e86d1c1d87f43dd8429054c2b1a2c0a9c83e4b9be659c.exe
Resource
win10v2004-20230220-en
General
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Target
f549dbb0025260b4218e86d1c1d87f43dd8429054c2b1a2c0a9c83e4b9be659c.exe
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Size
695KB
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MD5
a3bab21af08b92e93ed79c75b3779a85
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SHA1
94075ee802d2a3b180b34724117a5dd3702a1e2f
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SHA256
f549dbb0025260b4218e86d1c1d87f43dd8429054c2b1a2c0a9c83e4b9be659c
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SHA512
7e27dc26e1193ab1e9b83c44fb2c95379a2c4fc412ed3dfce79f5273f5e2585a8621fbcb0858895e90e38d1c511514bbedb217cc9043b4fe0a92343c97dc4166
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SSDEEP
12288:BMrry90bP47oBYo8iHgCpAEq8XOK/Xjdsqb3/+IaqnhznQs6vIdlAUwiex:WyIP4MZLpR7XOKPjCqbmIawhznQsa/7d
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
Extracted
redline
from
176.113.115.145:4125
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auth_value
8633e283485822a4a48f0a41d5397566
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro1875.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro1875.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pro1875.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro1875.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro1875.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro1875.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 20 IoCs
resource yara_rule behavioral1/memory/1092-190-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-189-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-192-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-194-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-196-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-198-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-200-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-202-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-204-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-206-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-209-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-214-0x0000000004ED0000-0x0000000004EE0000-memory.dmp family_redline behavioral1/memory/1092-213-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-216-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-218-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-220-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-222-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-224-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-226-0x0000000002670000-0x00000000026AF000-memory.dmp family_redline behavioral1/memory/1092-1108-0x0000000004ED0000-0x0000000004EE0000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 2516 un609005.exe 2096 pro1875.exe 1092 qu1231.exe 3556 si674802.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pro1875.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro1875.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 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\\\"" f549dbb0025260b4218e86d1c1d87f43dd8429054c2b1a2c0a9c83e4b9be659c.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un609005.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\\\"" un609005.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce f549dbb0025260b4218e86d1c1d87f43dd8429054c2b1a2c0a9c83e4b9be659c.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Program crash 2 IoCs
pid pid_target Process procid_target 1376 2096 WerFault.exe 84 1652 1092 WerFault.exe 93 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2096 pro1875.exe 2096 pro1875.exe 1092 qu1231.exe 1092 qu1231.exe 3556 si674802.exe 3556 si674802.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2096 pro1875.exe Token: SeDebugPrivilege 1092 qu1231.exe Token: SeDebugPrivilege 3556 si674802.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1904 wrote to memory of 2516 1904 f549dbb0025260b4218e86d1c1d87f43dd8429054c2b1a2c0a9c83e4b9be659c.exe 83 PID 1904 wrote to memory of 2516 1904 f549dbb0025260b4218e86d1c1d87f43dd8429054c2b1a2c0a9c83e4b9be659c.exe 83 PID 1904 wrote to memory of 2516 1904 f549dbb0025260b4218e86d1c1d87f43dd8429054c2b1a2c0a9c83e4b9be659c.exe 83 PID 2516 wrote to memory of 2096 2516 un609005.exe 84 PID 2516 wrote to memory of 2096 2516 un609005.exe 84 PID 2516 wrote to memory of 2096 2516 un609005.exe 84 PID 2516 wrote to memory of 1092 2516 un609005.exe 93 PID 2516 wrote to memory of 1092 2516 un609005.exe 93 PID 2516 wrote to memory of 1092 2516 un609005.exe 93 PID 1904 wrote to memory of 3556 1904 f549dbb0025260b4218e86d1c1d87f43dd8429054c2b1a2c0a9c83e4b9be659c.exe 98 PID 1904 wrote to memory of 3556 1904 f549dbb0025260b4218e86d1c1d87f43dd8429054c2b1a2c0a9c83e4b9be659c.exe 98 PID 1904 wrote to memory of 3556 1904 f549dbb0025260b4218e86d1c1d87f43dd8429054c2b1a2c0a9c83e4b9be659c.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\f549dbb0025260b4218e86d1c1d87f43dd8429054c2b1a2c0a9c83e4b9be659c.exe"C:\Users\Admin\AppData\Local\Temp\f549dbb0025260b4218e86d1c1d87f43dd8429054c2b1a2c0a9c83e4b9be659c.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1904 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un609005.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un609005.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1875.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1875.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2096 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 10844⤵
- Program crash
PID:1376
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1231.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1231.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1092 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 11964⤵
- Program crash
PID:1652
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si674802.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si674802.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2096 -ip 20961⤵PID:3732
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1092 -ip 10921⤵PID:3456
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD5ae6ee520283cd741fd7b7b2e65373b54
SHA13fd9e9e71db76ac8aedff7bb9d47d3e52b018876
SHA256d3aa2d8a1e406533e951beda7fd7d4060f8a14c0d4f77c12fe7c625ddfc1a9d1
SHA5129ed3070981ad0a104a542d4a41991b78300ebb341e2b6d304174c2f4ba41004189a67fc4679b9916922accab383a416ef965f740f27d3377cd2d46ebe393c713
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Filesize
175KB
MD5ae6ee520283cd741fd7b7b2e65373b54
SHA13fd9e9e71db76ac8aedff7bb9d47d3e52b018876
SHA256d3aa2d8a1e406533e951beda7fd7d4060f8a14c0d4f77c12fe7c625ddfc1a9d1
SHA5129ed3070981ad0a104a542d4a41991b78300ebb341e2b6d304174c2f4ba41004189a67fc4679b9916922accab383a416ef965f740f27d3377cd2d46ebe393c713
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Filesize
553KB
MD525e578a2311bcd8fdc45f193750b90b3
SHA10d2166a6586408ae14a91315d3f3b23b8804ab49
SHA256be29d2fea93ec44d15492ada527717143a6044f6504c470c1f6cb2500b58763f
SHA512e975a1174417864d3a1fc4fde68045c7984d86a87805543737dddc437517daf7b586b0095eb7faed69c692aef4e426be1cfbca32c2178069451413f404c0d393
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Filesize
553KB
MD525e578a2311bcd8fdc45f193750b90b3
SHA10d2166a6586408ae14a91315d3f3b23b8804ab49
SHA256be29d2fea93ec44d15492ada527717143a6044f6504c470c1f6cb2500b58763f
SHA512e975a1174417864d3a1fc4fde68045c7984d86a87805543737dddc437517daf7b586b0095eb7faed69c692aef4e426be1cfbca32c2178069451413f404c0d393
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Filesize
308KB
MD5e1aa0a2ebdc7779c4f727fa32490be76
SHA1b58ff46eacb63b320f9c39e730680baa1e19cdbb
SHA25692b046a3a0adbbedc1e16c8f422d12f88017e782ac04be826439d37acc90842a
SHA512bf14866dad3ef93f9d0f148e5002cd93ffbd5d26fa3b9343e65453454f52edaa5ecedfc40e70fd1eba6c3d233fc18a1d04805177e4442b4edba9dc24dcc79b73
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Filesize
308KB
MD5e1aa0a2ebdc7779c4f727fa32490be76
SHA1b58ff46eacb63b320f9c39e730680baa1e19cdbb
SHA25692b046a3a0adbbedc1e16c8f422d12f88017e782ac04be826439d37acc90842a
SHA512bf14866dad3ef93f9d0f148e5002cd93ffbd5d26fa3b9343e65453454f52edaa5ecedfc40e70fd1eba6c3d233fc18a1d04805177e4442b4edba9dc24dcc79b73
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Filesize
366KB
MD5101c7c6711fb079bd8817ef097acdbdd
SHA1de2d23ea7a3b9657b5bd6894c2928bc638933965
SHA256dd63094f9768454d631a3d9645b2d72f8e95c65b4ef7091a68b47ca32895cb94
SHA512a4f07740a861e6e4bd9982f8758933e954ed524614a0ab1703468bfa805a628898278ce6fbf8c8ce175bb1e8322250ee8de96e6ef4cbebfd720f1d835e0ad127
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Filesize
366KB
MD5101c7c6711fb079bd8817ef097acdbdd
SHA1de2d23ea7a3b9657b5bd6894c2928bc638933965
SHA256dd63094f9768454d631a3d9645b2d72f8e95c65b4ef7091a68b47ca32895cb94
SHA512a4f07740a861e6e4bd9982f8758933e954ed524614a0ab1703468bfa805a628898278ce6fbf8c8ce175bb1e8322250ee8de96e6ef4cbebfd720f1d835e0ad127