Analysis
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max time kernel
142s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
04/03/2023, 07:08
Static task
static1
Behavioral task
behavioral1
Sample
f0a1abd85807ef7a1ee95e2810370efe90fe50c5ec2f47f0d1840dd5d02c1326.exe
Resource
win10v2004-20230220-en
General
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Target
f0a1abd85807ef7a1ee95e2810370efe90fe50c5ec2f47f0d1840dd5d02c1326.exe
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Size
673KB
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MD5
cbabf237aef77299094d12db6605b01e
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SHA1
e6c105df9f8ac70aaa29bcfaa65c7c1784b413c7
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SHA256
f0a1abd85807ef7a1ee95e2810370efe90fe50c5ec2f47f0d1840dd5d02c1326
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SHA512
b9b748e73df5e1b86c973f9dd7b7e5cb7d5056c13d8c39ec5714c181ad9b90243808ebd33c514e4c5675b451eeb38497f758d335806c861bcc1f7d294632f01d
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SSDEEP
12288:1Mr0y90zMVqbgLqjZqLy+g6rH85gKNFjlPrt/Yl:NylV+gWj4rWgulVtwl
Malware Config
Extracted
redline
rosto
hueref.eu:4162
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auth_value
07d81eba8cad42bbd0ae60042d48eac6
Extracted
redline
foksa
hueref.eu:4162
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auth_value
6a9b2601a21672b285de3ed41b5402e4
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" urKF21cz59.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" urKF21cz59.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" urKF21cz59.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" urKF21cz59.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" urKF21cz59.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection urKF21cz59.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 18 IoCs
resource yara_rule behavioral1/memory/2272-196-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-198-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-195-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-200-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-202-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-204-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-208-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-206-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-210-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-212-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-214-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-216-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-218-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-220-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-222-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-224-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-226-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/2272-228-0x0000000002510000-0x000000000254E000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 4392 ycCs08wF91.exe 2024 urKF21cz59.exe 2272 wrYA40vu98.exe 4128 xuPY34vu99.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 urKF21cz59.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" urKF21cz59.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 ycCs08wF91.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\\\"" ycCs08wF91.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce f0a1abd85807ef7a1ee95e2810370efe90fe50c5ec2f47f0d1840dd5d02c1326.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\\\"" f0a1abd85807ef7a1ee95e2810370efe90fe50c5ec2f47f0d1840dd5d02c1326.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 1520 2024 WerFault.exe 86 4320 2272 WerFault.exe 94 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2024 urKF21cz59.exe 2024 urKF21cz59.exe 2272 wrYA40vu98.exe 2272 wrYA40vu98.exe 4128 xuPY34vu99.exe 4128 xuPY34vu99.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2024 urKF21cz59.exe Token: SeDebugPrivilege 2272 wrYA40vu98.exe Token: SeDebugPrivilege 4128 xuPY34vu99.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 840 wrote to memory of 4392 840 f0a1abd85807ef7a1ee95e2810370efe90fe50c5ec2f47f0d1840dd5d02c1326.exe 85 PID 840 wrote to memory of 4392 840 f0a1abd85807ef7a1ee95e2810370efe90fe50c5ec2f47f0d1840dd5d02c1326.exe 85 PID 840 wrote to memory of 4392 840 f0a1abd85807ef7a1ee95e2810370efe90fe50c5ec2f47f0d1840dd5d02c1326.exe 85 PID 4392 wrote to memory of 2024 4392 ycCs08wF91.exe 86 PID 4392 wrote to memory of 2024 4392 ycCs08wF91.exe 86 PID 4392 wrote to memory of 2024 4392 ycCs08wF91.exe 86 PID 4392 wrote to memory of 2272 4392 ycCs08wF91.exe 94 PID 4392 wrote to memory of 2272 4392 ycCs08wF91.exe 94 PID 4392 wrote to memory of 2272 4392 ycCs08wF91.exe 94 PID 840 wrote to memory of 4128 840 f0a1abd85807ef7a1ee95e2810370efe90fe50c5ec2f47f0d1840dd5d02c1326.exe 98 PID 840 wrote to memory of 4128 840 f0a1abd85807ef7a1ee95e2810370efe90fe50c5ec2f47f0d1840dd5d02c1326.exe 98 PID 840 wrote to memory of 4128 840 f0a1abd85807ef7a1ee95e2810370efe90fe50c5ec2f47f0d1840dd5d02c1326.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\f0a1abd85807ef7a1ee95e2810370efe90fe50c5ec2f47f0d1840dd5d02c1326.exe"C:\Users\Admin\AppData\Local\Temp\f0a1abd85807ef7a1ee95e2810370efe90fe50c5ec2f47f0d1840dd5d02c1326.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:840 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycCs08wF91.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycCs08wF91.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4392 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urKF21cz59.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urKF21cz59.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2024 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 10804⤵
- Program crash
PID:1520
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrYA40vu98.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrYA40vu98.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2272 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 19884⤵
- Program crash
PID:4320
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuPY34vu99.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuPY34vu99.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4128
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2024 -ip 20241⤵PID:1068
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2272 -ip 22721⤵PID:4684
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
175KB
MD575ced8ad0d8cd237ebc9cb7b00852651
SHA1adab63df3e0a40fd9f170ab57da66f01f226141c
SHA256a35a264162c124ffd066dd867ed96359131d37b243cb0445c1c9eba6a58de819
SHA512f565a49b14671683a1e48cece82a437a79bf8bdb456a3c6f35fac020e5fef3cd666399208633b7d2da9407f7b334a311a416b0a969c8b62ff28e15e7d4a0c431
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Filesize
175KB
MD575ced8ad0d8cd237ebc9cb7b00852651
SHA1adab63df3e0a40fd9f170ab57da66f01f226141c
SHA256a35a264162c124ffd066dd867ed96359131d37b243cb0445c1c9eba6a58de819
SHA512f565a49b14671683a1e48cece82a437a79bf8bdb456a3c6f35fac020e5fef3cd666399208633b7d2da9407f7b334a311a416b0a969c8b62ff28e15e7d4a0c431
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Filesize
528KB
MD576e9d0f184f9f24363a4361ad6447a5c
SHA10c0dc794f3e4cbba85d9fe1fd57c958c92a15c29
SHA256c92f6c152ec5b112db6c3de87e387b91ad7aacbef47ffed5c9084a7082512a29
SHA51241f5ffcea2eca8d026e6b88cdb922a0b1c8789c9fc3dd3a275f74fb533b9df8df12cbf85b5d75d9d452a83b64c099e511510c826374e3419fe7922e6f2c710d7
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Filesize
528KB
MD576e9d0f184f9f24363a4361ad6447a5c
SHA10c0dc794f3e4cbba85d9fe1fd57c958c92a15c29
SHA256c92f6c152ec5b112db6c3de87e387b91ad7aacbef47ffed5c9084a7082512a29
SHA51241f5ffcea2eca8d026e6b88cdb922a0b1c8789c9fc3dd3a275f74fb533b9df8df12cbf85b5d75d9d452a83b64c099e511510c826374e3419fe7922e6f2c710d7
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Filesize
317KB
MD571831795b0b039e7533460dd93e3ebdf
SHA1221c85aa2a0fc1f9e9ddca3e27313076cf3f420d
SHA256400067cf351186e0df577cf466cd6a6bf468276a993d017778d595f04bff7f70
SHA5126db6d61493bccaeb6fdaa8d4c6d2fee2acbc0d7bb1a7ac31e915d67c33adfb6b5f83fbad71ba38d478186159043a69c7e7a34cc2ccf167bc024f058718e13ccb
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Filesize
317KB
MD571831795b0b039e7533460dd93e3ebdf
SHA1221c85aa2a0fc1f9e9ddca3e27313076cf3f420d
SHA256400067cf351186e0df577cf466cd6a6bf468276a993d017778d595f04bff7f70
SHA5126db6d61493bccaeb6fdaa8d4c6d2fee2acbc0d7bb1a7ac31e915d67c33adfb6b5f83fbad71ba38d478186159043a69c7e7a34cc2ccf167bc024f058718e13ccb
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Filesize
289KB
MD5f0e44cc1d3ea3d0f271600614f465e1c
SHA16d4deac97a138ee4b71ff26d81873ad0f6087215
SHA256b5c957666de5d36b238029df439991d3aae2a0351e983b641989e13d254fe52c
SHA5129dc227622c328ecdc9e29390eacdd04cc8c5a405a483068f0104989e4f29e46957b1c2b92d66a5d1a08b59d5172bb4d2729509f2ef9eff6c9cbf553280e261f8
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Filesize
289KB
MD5f0e44cc1d3ea3d0f271600614f465e1c
SHA16d4deac97a138ee4b71ff26d81873ad0f6087215
SHA256b5c957666de5d36b238029df439991d3aae2a0351e983b641989e13d254fe52c
SHA5129dc227622c328ecdc9e29390eacdd04cc8c5a405a483068f0104989e4f29e46957b1c2b92d66a5d1a08b59d5172bb4d2729509f2ef9eff6c9cbf553280e261f8