Analysis
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max time kernel
130s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
03/03/2023, 05:57
Static task
static1
Behavioral task
behavioral1
Sample
4f7f5e4b9460602d13adffc6c320f0c72958cbf67043c8ab1b7a86819bc8c55c.exe
Resource
win10v2004-20230221-en
General
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Target
4f7f5e4b9460602d13adffc6c320f0c72958cbf67043c8ab1b7a86819bc8c55c.exe
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Size
666KB
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MD5
0c9778e3bd70c313dd3277be818477ae
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SHA1
6c25fe888c18f27f67453603dc650dc93f00e499
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SHA256
4f7f5e4b9460602d13adffc6c320f0c72958cbf67043c8ab1b7a86819bc8c55c
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SHA512
09781bd5bf7aac6de5e678a2941f989fb38f4a32f2d5c4e5db81adb20c9f38840740dd9f13390ef654b4f73ec547ec70c3cd4006d7903e31ef08b0c5077768c1
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SSDEEP
12288:3MrEy90Cq0QSSfm5BdFFwhCXdGI5k4H4oPrmR3X6NzP/B374PISYd+8:ry6Bm5Bn+hodGI53PK3wbB374H8
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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" urGz19Mh26.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" urGz19Mh26.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" urGz19Mh26.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" urGz19Mh26.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" urGz19Mh26.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection urGz19Mh26.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/1784-189-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-190-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-192-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-194-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-196-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-198-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-200-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-202-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-204-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-206-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-208-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-210-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-212-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-214-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-216-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-218-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-220-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-222-0x0000000005110000-0x000000000514E000-memory.dmp family_redline behavioral1/memory/1784-1111-0x0000000004B10000-0x0000000004B20000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 2940 ycaI51uL82.exe 1412 urGz19Mh26.exe 1784 wrRD30Vc45.exe 4692 xuto87rp88.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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" urGz19Mh26.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features urGz19Mh26.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 4f7f5e4b9460602d13adffc6c320f0c72958cbf67043c8ab1b7a86819bc8c55c.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\\\"" 4f7f5e4b9460602d13adffc6c320f0c72958cbf67043c8ab1b7a86819bc8c55c.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce ycaI51uL82.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\\\"" ycaI51uL82.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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Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4832 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 2084 1412 WerFault.exe 86 3800 1784 WerFault.exe 92 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1412 urGz19Mh26.exe 1412 urGz19Mh26.exe 1784 wrRD30Vc45.exe 1784 wrRD30Vc45.exe 4692 xuto87rp88.exe 4692 xuto87rp88.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1412 urGz19Mh26.exe Token: SeDebugPrivilege 1784 wrRD30Vc45.exe Token: SeDebugPrivilege 4692 xuto87rp88.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 836 wrote to memory of 2940 836 4f7f5e4b9460602d13adffc6c320f0c72958cbf67043c8ab1b7a86819bc8c55c.exe 85 PID 836 wrote to memory of 2940 836 4f7f5e4b9460602d13adffc6c320f0c72958cbf67043c8ab1b7a86819bc8c55c.exe 85 PID 836 wrote to memory of 2940 836 4f7f5e4b9460602d13adffc6c320f0c72958cbf67043c8ab1b7a86819bc8c55c.exe 85 PID 2940 wrote to memory of 1412 2940 ycaI51uL82.exe 86 PID 2940 wrote to memory of 1412 2940 ycaI51uL82.exe 86 PID 2940 wrote to memory of 1412 2940 ycaI51uL82.exe 86 PID 2940 wrote to memory of 1784 2940 ycaI51uL82.exe 92 PID 2940 wrote to memory of 1784 2940 ycaI51uL82.exe 92 PID 2940 wrote to memory of 1784 2940 ycaI51uL82.exe 92 PID 836 wrote to memory of 4692 836 4f7f5e4b9460602d13adffc6c320f0c72958cbf67043c8ab1b7a86819bc8c55c.exe 96 PID 836 wrote to memory of 4692 836 4f7f5e4b9460602d13adffc6c320f0c72958cbf67043c8ab1b7a86819bc8c55c.exe 96 PID 836 wrote to memory of 4692 836 4f7f5e4b9460602d13adffc6c320f0c72958cbf67043c8ab1b7a86819bc8c55c.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\4f7f5e4b9460602d13adffc6c320f0c72958cbf67043c8ab1b7a86819bc8c55c.exe"C:\Users\Admin\AppData\Local\Temp\4f7f5e4b9460602d13adffc6c320f0c72958cbf67043c8ab1b7a86819bc8c55c.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:836 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycaI51uL82.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycaI51uL82.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2940 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urGz19Mh26.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urGz19Mh26.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1412 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1412 -s 10844⤵
- Program crash
PID:2084
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrRD30Vc45.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrRD30Vc45.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1784 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 16364⤵
- Program crash
PID:3800
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuto87rp88.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuto87rp88.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4692
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1412 -ip 14121⤵PID:3972
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1784 -ip 17841⤵PID:4796
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start wuauserv1⤵
- Launches sc.exe
PID:4832
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD5e6e4b7ed4747402b050b5fff52d9d069
SHA1805774b6c5bada1a56b5a9e59d3a3b9b2e56b381
SHA2562a4c38b88fbe1d2f3710db1c986a6e340f22e444e63a90b785b9eb8174bf8c27
SHA512d85f261f6176c7238180b078a9c97dba178deaf166008e526849b43d7862c55cfc8682ee375e7caba51d0642ae2c5360ea2ab71f6e9f1ec8c25c84d5ba60fa4c
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Filesize
175KB
MD5e6e4b7ed4747402b050b5fff52d9d069
SHA1805774b6c5bada1a56b5a9e59d3a3b9b2e56b381
SHA2562a4c38b88fbe1d2f3710db1c986a6e340f22e444e63a90b785b9eb8174bf8c27
SHA512d85f261f6176c7238180b078a9c97dba178deaf166008e526849b43d7862c55cfc8682ee375e7caba51d0642ae2c5360ea2ab71f6e9f1ec8c25c84d5ba60fa4c
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Filesize
522KB
MD5e88650088bd20f4d4f59441576a31cad
SHA1749615187b86a1b04662a1f5610a22284f774eea
SHA256e101d7bbb5bcada122f27c36c65f63dbaf5ea0dcc8189b3697f3d567d69f7250
SHA512f088e73d9d80f7a2bb1e30555ed4d4b86ad8e871efda49ffecaf50ca5c7d8349cc955f193e5c16b391acdb2b0f4085a5d3856597ef1102df46e48f3cad569924
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Filesize
522KB
MD5e88650088bd20f4d4f59441576a31cad
SHA1749615187b86a1b04662a1f5610a22284f774eea
SHA256e101d7bbb5bcada122f27c36c65f63dbaf5ea0dcc8189b3697f3d567d69f7250
SHA512f088e73d9d80f7a2bb1e30555ed4d4b86ad8e871efda49ffecaf50ca5c7d8349cc955f193e5c16b391acdb2b0f4085a5d3856597ef1102df46e48f3cad569924
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Filesize
250KB
MD5452980bfe4732aaef2162c53c88f7ea4
SHA131b4e28e7ffdf36023ea859f0c343036dfb0470e
SHA256855df086e7969ec6904fde9c5920ab3c6c364ebbc240aa266f78a3103b59d06d
SHA5127ad12f0badc78bb1d42743e8776bece49a55e25244a9b7681c17c345f212bd2d28077e7fe495903de160d43aa7b3d57a419f0895ae3420a3b945d830d1d58707
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Filesize
250KB
MD5452980bfe4732aaef2162c53c88f7ea4
SHA131b4e28e7ffdf36023ea859f0c343036dfb0470e
SHA256855df086e7969ec6904fde9c5920ab3c6c364ebbc240aa266f78a3103b59d06d
SHA5127ad12f0badc78bb1d42743e8776bece49a55e25244a9b7681c17c345f212bd2d28077e7fe495903de160d43aa7b3d57a419f0895ae3420a3b945d830d1d58707
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Filesize
309KB
MD5284f5cacca006d191a474f8c3eada4c1
SHA105ccc7b3be213f8543b80cd95e4cbd1aac6190dd
SHA25652e7f367705bf1ad2aed8f9ac8dde3a1c3cd7fc0bd64ae3a3d5a44be416c1341
SHA51226887be6f3f12322ca653e2ba5ee592d5dba31c09312c27d5d29b1d9832f84e42f19a4588787894792d26068dc029ab6abca08a02cc2651e3c8dfe75c41fe4ee
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Filesize
309KB
MD5284f5cacca006d191a474f8c3eada4c1
SHA105ccc7b3be213f8543b80cd95e4cbd1aac6190dd
SHA25652e7f367705bf1ad2aed8f9ac8dde3a1c3cd7fc0bd64ae3a3d5a44be416c1341
SHA51226887be6f3f12322ca653e2ba5ee592d5dba31c09312c27d5d29b1d9832f84e42f19a4588787894792d26068dc029ab6abca08a02cc2651e3c8dfe75c41fe4ee