Analysis
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max time kernel
106s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
22-03-2023 09:22
Static task
static1
Behavioral task
behavioral1
Sample
e88c791d0cca1cec12e3938450592433aa5babd54d37d6725f6210d4cc4b6aab.exe
Resource
win10v2004-20230220-en
General
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Target
e88c791d0cca1cec12e3938450592433aa5babd54d37d6725f6210d4cc4b6aab.exe
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Size
540KB
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MD5
5446801de3bfb5251d04cf2ef3332428
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SHA1
f3f3c6f0215ba1044bfcdd5ecdc923eb20951082
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SHA256
e88c791d0cca1cec12e3938450592433aa5babd54d37d6725f6210d4cc4b6aab
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SHA512
3213454d7a145aabb0a468d6acb4b31f037069ef1611b486d1e78ecbaa5b6a4b343884a6c2394822dc0b5b84d8d3ac7e28133279e06afb20ab5397434df03c0d
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SSDEEP
12288:LMrAy90tTieUjTNtTSFTW4HWmnHxYbGmjkttsxBKA:PyEU/nOTWmHxYvsCQA
Malware Config
Extracted
redline
down
193.233.20.31:4125
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auth_value
12c31a90c72f5efae8c053a0bd339381
Extracted
redline
polo
193.233.20.31:4125
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auth_value
f1a1b1041a864e0f1f788d42ececa8b3
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro7216.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro7216.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro7216.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro7216.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro7216.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro7216.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 33 IoCs
resource yara_rule behavioral1/memory/1384-158-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-159-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-161-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-163-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-165-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-167-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-169-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-171-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-175-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-177-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-179-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-183-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-181-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-173-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-185-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-187-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-191-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-189-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-193-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-195-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-197-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-199-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-202-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-204-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-208-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-206-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-212-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-214-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-210-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-216-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-220-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-218-0x0000000005090000-0x00000000050CE000-memory.dmp family_redline behavioral1/memory/1384-1075-0x0000000002080000-0x0000000002090000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 3240 unio3793.exe 4824 pro7216.exe 1384 qu8282.exe 3748 si608289.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\Microsoft\Windows Defender\Features\TamperProtection = "0" pro7216.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 e88c791d0cca1cec12e3938450592433aa5babd54d37d6725f6210d4cc4b6aab.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\\\"" e88c791d0cca1cec12e3938450592433aa5babd54d37d6725f6210d4cc4b6aab.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio3793.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\\\"" unio3793.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 1 IoCs
pid pid_target Process procid_target 2800 1384 WerFault.exe 95 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4824 pro7216.exe 4824 pro7216.exe 1384 qu8282.exe 1384 qu8282.exe 3748 si608289.exe 3748 si608289.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4824 pro7216.exe Token: SeDebugPrivilege 1384 qu8282.exe Token: SeDebugPrivilege 3748 si608289.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4900 wrote to memory of 3240 4900 e88c791d0cca1cec12e3938450592433aa5babd54d37d6725f6210d4cc4b6aab.exe 88 PID 4900 wrote to memory of 3240 4900 e88c791d0cca1cec12e3938450592433aa5babd54d37d6725f6210d4cc4b6aab.exe 88 PID 4900 wrote to memory of 3240 4900 e88c791d0cca1cec12e3938450592433aa5babd54d37d6725f6210d4cc4b6aab.exe 88 PID 3240 wrote to memory of 4824 3240 unio3793.exe 89 PID 3240 wrote to memory of 4824 3240 unio3793.exe 89 PID 3240 wrote to memory of 1384 3240 unio3793.exe 95 PID 3240 wrote to memory of 1384 3240 unio3793.exe 95 PID 3240 wrote to memory of 1384 3240 unio3793.exe 95 PID 4900 wrote to memory of 3748 4900 e88c791d0cca1cec12e3938450592433aa5babd54d37d6725f6210d4cc4b6aab.exe 101 PID 4900 wrote to memory of 3748 4900 e88c791d0cca1cec12e3938450592433aa5babd54d37d6725f6210d4cc4b6aab.exe 101 PID 4900 wrote to memory of 3748 4900 e88c791d0cca1cec12e3938450592433aa5babd54d37d6725f6210d4cc4b6aab.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\e88c791d0cca1cec12e3938450592433aa5babd54d37d6725f6210d4cc4b6aab.exe"C:\Users\Admin\AppData\Local\Temp\e88c791d0cca1cec12e3938450592433aa5babd54d37d6725f6210d4cc4b6aab.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4900 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio3793.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio3793.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3240 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7216.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7216.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4824
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8282.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8282.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1384 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 13484⤵
- Program crash
PID:2800
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si608289.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si608289.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3748
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1384 -ip 13841⤵PID:4152
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD544a26d7004f8b65e1a8bac0ccac86d6a
SHA130b583c2c04c1167703ae255b4d44b96b411c8ff
SHA25637384f1bfb6d2193e4ece0ed1f6989f9ebd238e7b4582e1aedfa136cdfd07eb9
SHA51217788355a5190ca17ead744cad71ebb7cfc7ceb84625310d31a469af0fbd50b2c304ce969530e99effeb0d23b0530b57a001f02fe918abc40ea68ad336fa187b
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Filesize
175KB
MD544a26d7004f8b65e1a8bac0ccac86d6a
SHA130b583c2c04c1167703ae255b4d44b96b411c8ff
SHA25637384f1bfb6d2193e4ece0ed1f6989f9ebd238e7b4582e1aedfa136cdfd07eb9
SHA51217788355a5190ca17ead744cad71ebb7cfc7ceb84625310d31a469af0fbd50b2c304ce969530e99effeb0d23b0530b57a001f02fe918abc40ea68ad336fa187b
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Filesize
398KB
MD5b6a0e8388721e32615fed8b562de7bf2
SHA10b2a183ab9eddef474a426a52d5d00cb26055548
SHA25668c1e85b93d593c2969cd8ed61133b46216feb5d7e9c52abf0423f78609e38c9
SHA512e82cda7060dd82aaf5d9fec5ec832f0f625b1773a581099a658769238a73a336a5d7f7e0267f2794729b3cb429a0a514cda634d40ae920faf0b107450821f226
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Filesize
398KB
MD5b6a0e8388721e32615fed8b562de7bf2
SHA10b2a183ab9eddef474a426a52d5d00cb26055548
SHA25668c1e85b93d593c2969cd8ed61133b46216feb5d7e9c52abf0423f78609e38c9
SHA512e82cda7060dd82aaf5d9fec5ec832f0f625b1773a581099a658769238a73a336a5d7f7e0267f2794729b3cb429a0a514cda634d40ae920faf0b107450821f226
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
470KB
MD55bdfd10df282f4eaa954be08097707af
SHA1c502639dd38f8e9186b3ed89095c62f16757d8e7
SHA2562f6c481a869f3bb414d308433b31685dbfdd5f0d3d3d7f98cad260064420c9d4
SHA512038a3688cf6dfdb432e922f95d2832aa9eec7ab6ba11f403cb1e8e9678f9faaf24b67a118ecacd3a808c930b48be53d9ad50f016b6a1b74818b7224a6f9f086b
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Filesize
470KB
MD55bdfd10df282f4eaa954be08097707af
SHA1c502639dd38f8e9186b3ed89095c62f16757d8e7
SHA2562f6c481a869f3bb414d308433b31685dbfdd5f0d3d3d7f98cad260064420c9d4
SHA512038a3688cf6dfdb432e922f95d2832aa9eec7ab6ba11f403cb1e8e9678f9faaf24b67a118ecacd3a808c930b48be53d9ad50f016b6a1b74818b7224a6f9f086b