Analysis
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max time kernel
145s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
03/03/2023, 05:42
Static task
static1
Behavioral task
behavioral1
Sample
057c7f87d54eae45885bea4bb9fcc0ec40834c642ccac4636dff1c516e3d7663.exe
Resource
win10v2004-20230220-en
General
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Target
057c7f87d54eae45885bea4bb9fcc0ec40834c642ccac4636dff1c516e3d7663.exe
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Size
693KB
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MD5
a01680fa508a3c33265a952d6adb673d
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SHA1
83da31059f1c9bc4be2200313616d5f766ebb6c1
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SHA256
057c7f87d54eae45885bea4bb9fcc0ec40834c642ccac4636dff1c516e3d7663
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SHA512
114537432fde9328cd160fab4d02d5a5c4eec06e5de854dba7d92a7c0bfdc3b13930295fa9732d26e07bbefe726dbcfcf46424efec4596d2c34b1633a3e2d86d
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SSDEEP
12288:TMr/y90eBT2UnVWwasYk5SAVdX3/JcT1TT3pdH24skl0QB+4Lw:wyLVVFasYk5S0dXPJEbH7flrBLw
Malware Config
Extracted
redline
ruzhpe
pepunn.com:4162
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auth_value
f735ced96ae8d01d0bd1d514240e54e0
Extracted
redline
fchan
pepunn.com:4162
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auth_value
127bd53d55e8c4f0dd2f6e1ea60deef4
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection urzr98Wj46.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" urzr98Wj46.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" urzr98Wj46.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" urzr98Wj46.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" urzr98Wj46.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" urzr98Wj46.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 19 IoCs
resource yara_rule behavioral1/memory/4456-191-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-190-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-193-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-195-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-197-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-199-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-201-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-203-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-205-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-209-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-213-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-215-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-217-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-212-0x0000000004B50000-0x0000000004B60000-memory.dmp family_redline behavioral1/memory/4456-219-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-221-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-223-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-225-0x0000000007750000-0x000000000778E000-memory.dmp family_redline behavioral1/memory/4456-227-0x0000000007750000-0x000000000778E000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 1912 ychE60ES03.exe 1924 urzr98Wj46.exe 4456 wran57fG61.exe 2324 xuqp88GP12.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 urzr98Wj46.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" urzr98Wj46.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 Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 057c7f87d54eae45885bea4bb9fcc0ec40834c642ccac4636dff1c516e3d7663.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\\\"" 057c7f87d54eae45885bea4bb9fcc0ec40834c642ccac4636dff1c516e3d7663.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce ychE60ES03.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\\\"" ychE60ES03.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 1684 1924 WerFault.exe 86 4464 4456 WerFault.exe 92 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1924 urzr98Wj46.exe 1924 urzr98Wj46.exe 4456 wran57fG61.exe 4456 wran57fG61.exe 2324 xuqp88GP12.exe 2324 xuqp88GP12.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1924 urzr98Wj46.exe Token: SeDebugPrivilege 4456 wran57fG61.exe Token: SeDebugPrivilege 2324 xuqp88GP12.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1720 wrote to memory of 1912 1720 057c7f87d54eae45885bea4bb9fcc0ec40834c642ccac4636dff1c516e3d7663.exe 85 PID 1720 wrote to memory of 1912 1720 057c7f87d54eae45885bea4bb9fcc0ec40834c642ccac4636dff1c516e3d7663.exe 85 PID 1720 wrote to memory of 1912 1720 057c7f87d54eae45885bea4bb9fcc0ec40834c642ccac4636dff1c516e3d7663.exe 85 PID 1912 wrote to memory of 1924 1912 ychE60ES03.exe 86 PID 1912 wrote to memory of 1924 1912 ychE60ES03.exe 86 PID 1912 wrote to memory of 1924 1912 ychE60ES03.exe 86 PID 1912 wrote to memory of 4456 1912 ychE60ES03.exe 92 PID 1912 wrote to memory of 4456 1912 ychE60ES03.exe 92 PID 1912 wrote to memory of 4456 1912 ychE60ES03.exe 92 PID 1720 wrote to memory of 2324 1720 057c7f87d54eae45885bea4bb9fcc0ec40834c642ccac4636dff1c516e3d7663.exe 96 PID 1720 wrote to memory of 2324 1720 057c7f87d54eae45885bea4bb9fcc0ec40834c642ccac4636dff1c516e3d7663.exe 96 PID 1720 wrote to memory of 2324 1720 057c7f87d54eae45885bea4bb9fcc0ec40834c642ccac4636dff1c516e3d7663.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\057c7f87d54eae45885bea4bb9fcc0ec40834c642ccac4636dff1c516e3d7663.exe"C:\Users\Admin\AppData\Local\Temp\057c7f87d54eae45885bea4bb9fcc0ec40834c642ccac4636dff1c516e3d7663.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ychE60ES03.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ychE60ES03.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urzr98Wj46.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urzr98Wj46.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1924 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 10764⤵
- Program crash
PID:1684
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wran57fG61.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wran57fG61.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4456 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 14084⤵
- Program crash
PID:4464
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuqp88GP12.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuqp88GP12.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2324
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1924 -ip 19241⤵PID:4884
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4456 -ip 44561⤵PID:2084
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD574add4ffc4f5e2655a473c81a257a822
SHA1e0e17f663c50d8d8aa127f762d9e4b046964b203
SHA256c1c1a109d7f9085880d0a0553b543f3474bb0ce47d3036f9a8716f8d3a262951
SHA512af674f484e00d7644bf63f3ae156679b96731ffb3df7095d8c427358987f4103ccf97b2f036cd32a6bd4173dd9cc42fb11375d6244897a47d100510b5a5ca958
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Filesize
175KB
MD574add4ffc4f5e2655a473c81a257a822
SHA1e0e17f663c50d8d8aa127f762d9e4b046964b203
SHA256c1c1a109d7f9085880d0a0553b543f3474bb0ce47d3036f9a8716f8d3a262951
SHA512af674f484e00d7644bf63f3ae156679b96731ffb3df7095d8c427358987f4103ccf97b2f036cd32a6bd4173dd9cc42fb11375d6244897a47d100510b5a5ca958
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Filesize
549KB
MD583018b2f80825cd83726b6479c8220c3
SHA1012a450703dde5cccc6bdd170530cc06fb6f4e07
SHA25645b0ef01a05ef0d924123b2f3818e66089fd5321d13d4aa29e151d2ee874592d
SHA51283b6575891b6d2143717378e9f5ec7d2370db60e2d7c0e4cc218054280af4d635be301a2d1ed3762527fa2df57a5a26e07e0279399082212c3ef22dbab176610
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Filesize
549KB
MD583018b2f80825cd83726b6479c8220c3
SHA1012a450703dde5cccc6bdd170530cc06fb6f4e07
SHA25645b0ef01a05ef0d924123b2f3818e66089fd5321d13d4aa29e151d2ee874592d
SHA51283b6575891b6d2143717378e9f5ec7d2370db60e2d7c0e4cc218054280af4d635be301a2d1ed3762527fa2df57a5a26e07e0279399082212c3ef22dbab176610
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Filesize
352KB
MD51f2dffeb3be61b7f59bea1593b2542fa
SHA192c410b0dc87bcdd8722a0cbb6bc72e8742f3e4e
SHA256b6a85958be9314965b992380492628808c92bea16b4a4e84637c0bb2d2851266
SHA512abecf645ea38dfd5bf8769df9c015cd16251fbde0b22a1662bd493f256225bc3b3ac7bd2dee4a0678b855f619545a09d8a3a7810a949b399b1f27e192b3d4952
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Filesize
352KB
MD51f2dffeb3be61b7f59bea1593b2542fa
SHA192c410b0dc87bcdd8722a0cbb6bc72e8742f3e4e
SHA256b6a85958be9314965b992380492628808c92bea16b4a4e84637c0bb2d2851266
SHA512abecf645ea38dfd5bf8769df9c015cd16251fbde0b22a1662bd493f256225bc3b3ac7bd2dee4a0678b855f619545a09d8a3a7810a949b399b1f27e192b3d4952
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Filesize
410KB
MD597581d18424b6968bffda63f4e27c2b0
SHA1501bc8daae8308a502ceae32244e79e55d2282c3
SHA25699908812a3e7d39049e6a424c5eaed09d067384e8997d55ea8804be915a6df30
SHA512bb82a81e022d658c76192e97266feec3731260ac514f7f0c12ee96a9a81c8947c7ac756969b3671c1eef648a69f3bb39ec0fb3fb4cd4d0de272d3f2aeec2b1ba
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Filesize
410KB
MD597581d18424b6968bffda63f4e27c2b0
SHA1501bc8daae8308a502ceae32244e79e55d2282c3
SHA25699908812a3e7d39049e6a424c5eaed09d067384e8997d55ea8804be915a6df30
SHA512bb82a81e022d658c76192e97266feec3731260ac514f7f0c12ee96a9a81c8947c7ac756969b3671c1eef648a69f3bb39ec0fb3fb4cd4d0de272d3f2aeec2b1ba