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Analysis
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max time kernel
145s -
max time network
123s -
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, 11:08
Static task
static1
Behavioral task
behavioral1
Sample
ac486e87fa6b97f71febf6478d46dfc81d461957043eb55ffd30d821e475bc00.exe
Resource
win10v2004-20230220-en
General
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Target
ac486e87fa6b97f71febf6478d46dfc81d461957043eb55ffd30d821e475bc00.exe
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Size
660KB
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MD5
7254ea83e5566490107d52a2bdccce2f
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SHA1
1d49f030f174ec6705abfe646c9b21919ea952a4
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SHA256
ac486e87fa6b97f71febf6478d46dfc81d461957043eb55ffd30d821e475bc00
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SHA512
d511b37d8ce9f55887284732a63f5f20519f81cf0094da03414373465becc7298a7209596bf1f590dd2b765eeb865395f180307cbd66dc5a1e9147f8e264ac53
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SSDEEP
12288:9Mr6y90zKM4+yvL7I6UFjvObmBr8RdVVC78jfyFq39pkBfxqjHf8xn6xJQIbilT:fyo4P75UF6ereKwwK9FHURgQRlT
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\DisableRealtimeMonitoring = "1" uriU63eg56.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" uriU63eg56.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection uriU63eg56.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" uriU63eg56.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" uriU63eg56.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" uriU63eg56.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/1968-190-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-191-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-193-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-195-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-197-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-199-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-202-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-205-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-211-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-208-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-213-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-215-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-217-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-219-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-221-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-223-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-225-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline behavioral1/memory/1968-227-0x00000000026E0000-0x000000000271E000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 4752 ycNS23Jq18.exe 4056 uriU63eg56.exe 1968 wrzv99na75.exe 3960 xucF51Pl37.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" uriU63eg56.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features uriU63eg56.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 ac486e87fa6b97f71febf6478d46dfc81d461957043eb55ffd30d821e475bc00.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\\\"" ac486e87fa6b97f71febf6478d46dfc81d461957043eb55ffd30d821e475bc00.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce ycNS23Jq18.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\\\"" ycNS23Jq18.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 4464 4056 WerFault.exe 87 4176 1968 WerFault.exe 95 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4056 uriU63eg56.exe 4056 uriU63eg56.exe 1968 wrzv99na75.exe 1968 wrzv99na75.exe 3960 xucF51Pl37.exe 3960 xucF51Pl37.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4056 uriU63eg56.exe Token: SeDebugPrivilege 1968 wrzv99na75.exe Token: SeDebugPrivilege 3960 xucF51Pl37.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2744 wrote to memory of 4752 2744 ac486e87fa6b97f71febf6478d46dfc81d461957043eb55ffd30d821e475bc00.exe 86 PID 2744 wrote to memory of 4752 2744 ac486e87fa6b97f71febf6478d46dfc81d461957043eb55ffd30d821e475bc00.exe 86 PID 2744 wrote to memory of 4752 2744 ac486e87fa6b97f71febf6478d46dfc81d461957043eb55ffd30d821e475bc00.exe 86 PID 4752 wrote to memory of 4056 4752 ycNS23Jq18.exe 87 PID 4752 wrote to memory of 4056 4752 ycNS23Jq18.exe 87 PID 4752 wrote to memory of 4056 4752 ycNS23Jq18.exe 87 PID 4752 wrote to memory of 1968 4752 ycNS23Jq18.exe 95 PID 4752 wrote to memory of 1968 4752 ycNS23Jq18.exe 95 PID 4752 wrote to memory of 1968 4752 ycNS23Jq18.exe 95 PID 2744 wrote to memory of 3960 2744 ac486e87fa6b97f71febf6478d46dfc81d461957043eb55ffd30d821e475bc00.exe 100 PID 2744 wrote to memory of 3960 2744 ac486e87fa6b97f71febf6478d46dfc81d461957043eb55ffd30d821e475bc00.exe 100 PID 2744 wrote to memory of 3960 2744 ac486e87fa6b97f71febf6478d46dfc81d461957043eb55ffd30d821e475bc00.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\ac486e87fa6b97f71febf6478d46dfc81d461957043eb55ffd30d821e475bc00.exe"C:\Users\Admin\AppData\Local\Temp\ac486e87fa6b97f71febf6478d46dfc81d461957043eb55ffd30d821e475bc00.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycNS23Jq18.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycNS23Jq18.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4752 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\uriU63eg56.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\uriU63eg56.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4056 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 10884⤵
- Program crash
PID:4464
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrzv99na75.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrzv99na75.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1968 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 12684⤵
- Program crash
PID:4176
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xucF51Pl37.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xucF51Pl37.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4056 -ip 40561⤵PID:5100
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1968 -ip 19681⤵PID:3460
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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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
515KB
MD51cafc55983b89ba374c72dbdeba9cc6d
SHA1eae31da172506abfa03c3fae3fd0c0393b25ad2d
SHA256f958ef09e7ce7f2f0e68a7852346835feaa74be987134d40a2bc3803a5386847
SHA512ef478a1c1f34cedea8ee14c081df4ed24ab6504eb8b6a66bc78004098ac16d0a36e04b35f837dd534c2a9e5af60cdbeb393c1cd17f7497e644e8ad9cfd1cbce1
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Filesize
515KB
MD51cafc55983b89ba374c72dbdeba9cc6d
SHA1eae31da172506abfa03c3fae3fd0c0393b25ad2d
SHA256f958ef09e7ce7f2f0e68a7852346835feaa74be987134d40a2bc3803a5386847
SHA512ef478a1c1f34cedea8ee14c081df4ed24ab6504eb8b6a66bc78004098ac16d0a36e04b35f837dd534c2a9e5af60cdbeb393c1cd17f7497e644e8ad9cfd1cbce1
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Filesize
232KB
MD599a158cf8893ed9ba9f95c8a8d305f7e
SHA1d93e3ec8b044006faf4648bc20550bb9f84206b3
SHA2569fcfc396efbaacf64160dd22e4942aa2113e023c43e0aa5a31fad0183c0602b0
SHA512b78c00ef8def2849d36dc37af1cf624e71d2bdf1da71dcb19005dedbe6d4e5b6ae0663a232583c019a976ac903f1d953c7085beab57c64b5266242c7aabf4122
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Filesize
232KB
MD599a158cf8893ed9ba9f95c8a8d305f7e
SHA1d93e3ec8b044006faf4648bc20550bb9f84206b3
SHA2569fcfc396efbaacf64160dd22e4942aa2113e023c43e0aa5a31fad0183c0602b0
SHA512b78c00ef8def2849d36dc37af1cf624e71d2bdf1da71dcb19005dedbe6d4e5b6ae0663a232583c019a976ac903f1d953c7085beab57c64b5266242c7aabf4122
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Filesize
290KB
MD55219e8f0103dcdc1edfc06a291fa3dc5
SHA1176526bf4ebef1bfcf7cf535ae8707739e8b94ef
SHA25679e9c0528a3deef77dc8e379e8d4d889ecabd5cf04e1d6756f92ca55c13f4a7d
SHA512445da5e0a94d36dd96da459d028d706ed5067f4b95f30708d44daeeea933f01f42999f51cd1a889a73173e43924b1957e8259834dd5327c3b0d7baf4b1edbbf6
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Filesize
290KB
MD55219e8f0103dcdc1edfc06a291fa3dc5
SHA1176526bf4ebef1bfcf7cf535ae8707739e8b94ef
SHA25679e9c0528a3deef77dc8e379e8d4d889ecabd5cf04e1d6756f92ca55c13f4a7d
SHA512445da5e0a94d36dd96da459d028d706ed5067f4b95f30708d44daeeea933f01f42999f51cd1a889a73173e43924b1957e8259834dd5327c3b0d7baf4b1edbbf6