Analysis
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max time kernel
144s -
max time network
124s -
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, 10:14
Static task
static1
Behavioral task
behavioral1
Sample
4a167ebc47c696744322356b73a8bdf85e9720d193327bdd6cb11f0355c5a415.exe
Resource
win10v2004-20230220-en
General
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Target
4a167ebc47c696744322356b73a8bdf85e9720d193327bdd6cb11f0355c5a415.exe
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Size
660KB
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MD5
2bfa9f182064366c8fa1a0e19c9600cb
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SHA1
e4aca12c90ad8f58a47f169d97d186b63db67b50
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SHA256
4a167ebc47c696744322356b73a8bdf85e9720d193327bdd6cb11f0355c5a415
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SHA512
8d41feb68862a6644a60f14c8747078e49798793534fea2b8aadebd68adf1f9ca9d4bd7a9b3ac5f9370cf5fef8d93838664464cf1b705e2bb0561db1ac26f231
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SSDEEP
12288:bMrvy90I7ukfhsfNk2y0+6UFKsObmnr8RdVvC78jfy2P39pkBfx3yHf8cn6xJctY:sydPhsfNJy03UFqcreUw/P99HU8gYY
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 Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection urkD60Eb05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" urkD60Eb05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" urkD60Eb05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" urkD60Eb05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" urkD60Eb05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" urkD60Eb05.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 20 IoCs
resource yara_rule behavioral1/memory/3452-191-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-192-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-194-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-196-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-198-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-200-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-202-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-204-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-206-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-208-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-210-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-212-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-214-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-216-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-218-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-220-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-222-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-224-0x0000000002510000-0x000000000254E000-memory.dmp family_redline behavioral1/memory/3452-231-0x0000000004C90000-0x0000000004CA0000-memory.dmp family_redline behavioral1/memory/3452-229-0x0000000004C90000-0x0000000004CA0000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 1304 ycEA00uA80.exe 3424 urkD60Eb05.exe 3452 wrdT53Ak06.exe 4984 xugR63LJ21.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 urkD60Eb05.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" urkD60Eb05.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 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\\\"" 4a167ebc47c696744322356b73a8bdf85e9720d193327bdd6cb11f0355c5a415.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce ycEA00uA80.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\\\"" ycEA00uA80.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 4a167ebc47c696744322356b73a8bdf85e9720d193327bdd6cb11f0355c5a415.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 4216 3424 WerFault.exe 85 4952 3452 WerFault.exe 91 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3424 urkD60Eb05.exe 3424 urkD60Eb05.exe 3452 wrdT53Ak06.exe 3452 wrdT53Ak06.exe 4984 xugR63LJ21.exe 4984 xugR63LJ21.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3424 urkD60Eb05.exe Token: SeDebugPrivilege 3452 wrdT53Ak06.exe Token: SeDebugPrivilege 4984 xugR63LJ21.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2096 wrote to memory of 1304 2096 4a167ebc47c696744322356b73a8bdf85e9720d193327bdd6cb11f0355c5a415.exe 84 PID 2096 wrote to memory of 1304 2096 4a167ebc47c696744322356b73a8bdf85e9720d193327bdd6cb11f0355c5a415.exe 84 PID 2096 wrote to memory of 1304 2096 4a167ebc47c696744322356b73a8bdf85e9720d193327bdd6cb11f0355c5a415.exe 84 PID 1304 wrote to memory of 3424 1304 ycEA00uA80.exe 85 PID 1304 wrote to memory of 3424 1304 ycEA00uA80.exe 85 PID 1304 wrote to memory of 3424 1304 ycEA00uA80.exe 85 PID 1304 wrote to memory of 3452 1304 ycEA00uA80.exe 91 PID 1304 wrote to memory of 3452 1304 ycEA00uA80.exe 91 PID 1304 wrote to memory of 3452 1304 ycEA00uA80.exe 91 PID 2096 wrote to memory of 4984 2096 4a167ebc47c696744322356b73a8bdf85e9720d193327bdd6cb11f0355c5a415.exe 95 PID 2096 wrote to memory of 4984 2096 4a167ebc47c696744322356b73a8bdf85e9720d193327bdd6cb11f0355c5a415.exe 95 PID 2096 wrote to memory of 4984 2096 4a167ebc47c696744322356b73a8bdf85e9720d193327bdd6cb11f0355c5a415.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\4a167ebc47c696744322356b73a8bdf85e9720d193327bdd6cb11f0355c5a415.exe"C:\Users\Admin\AppData\Local\Temp\4a167ebc47c696744322356b73a8bdf85e9720d193327bdd6cb11f0355c5a415.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2096 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycEA00uA80.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycEA00uA80.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urkD60Eb05.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urkD60Eb05.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3424 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3424 -s 10884⤵
- Program crash
PID:4216
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrdT53Ak06.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrdT53Ak06.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3452 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3452 -s 15324⤵
- Program crash
PID:4952
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xugR63LJ21.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xugR63LJ21.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4984
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3424 -ip 34241⤵PID:4424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3452 -ip 34521⤵PID:4932
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
MD567d015db533d8dc62f9ffbaf2c79c7c1
SHA1dc0095b03e4cbf98ec9d33429c41c2926eca9011
SHA256632f36e42bd7f8590de0ea5b8d9bb36c65a178d1ef075f4ed2a8eadb36cc6fd1
SHA5123b22680877697d20ac7da9a610c5802092dc412d3f45fc03e1a9beadef1f751e6e6f05602154c7e371d6d667cf77da74d041d853f5135c3b6326edd31cf03620
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Filesize
515KB
MD567d015db533d8dc62f9ffbaf2c79c7c1
SHA1dc0095b03e4cbf98ec9d33429c41c2926eca9011
SHA256632f36e42bd7f8590de0ea5b8d9bb36c65a178d1ef075f4ed2a8eadb36cc6fd1
SHA5123b22680877697d20ac7da9a610c5802092dc412d3f45fc03e1a9beadef1f751e6e6f05602154c7e371d6d667cf77da74d041d853f5135c3b6326edd31cf03620
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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