Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
25-03-2024 13:01
Static task
static1
Behavioral task
behavioral1
Sample
1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exe
Resource
win10v2004-20240226-en
General
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Target
1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exe
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Size
1.8MB
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MD5
f54b263d4a5b690a615273cdd88ca795
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SHA1
7271a0dbfeea24784781a554a95579a1688a28cd
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SHA256
1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157
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SHA512
bc2eb6e166de516bc8bf185f6c3eb7ec929df9a1a5f76f395634b5161da7b834f7e45bed78dd4df8be6a1ee27261da808991b96535f40bcf0677434afa8c3114
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SSDEEP
24576:xZVmIYVH5ZXclybZ5Z+HjISyGrJ5EKP0e571WoBLvszFmkHVEMN6D3sa1/HDcUMo:xnPYV+ybZPuhrJ58ejBAcMVvq/Wu
Malware Config
Extracted
amadey
4.17
http://185.215.113.32
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install_dir
00c07260dc
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install_file
explorgu.exe
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strings_key
461809bd97c251ba0c0c8450c7055f1d
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url_paths
/yandex/index.php
Extracted
redline
LiveTraffic
4.185.137.132:1632
Extracted
lumma
https://resergvearyinitiani.shop/api
https://associationokeo.shop/api
Signatures
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Detect ZGRat V1 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\1000837001\goldprimeldlldf.exe family_zgrat_v1 behavioral1/memory/3892-83-0x0000000000FB0000-0x000000000102A000-memory.dmp family_zgrat_v1 -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2004-89-0x0000000000400000-0x0000000000450000-memory.dmp family_redline C:\Users\Admin\AppData\Local\Temp\1000979001\TeamFour.exe family_redline -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
Processes:
1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exeexplorgu.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 100 1724 rundll32.exe 104 924 rundll32.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorgu.exe1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorgu.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
explorgu.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation explorgu.exe -
Executes dropped EXE 4 IoCs
Processes:
explorgu.exeosminog.exegoldprimeldlldf.exeTeamFour.exepid process 4832 explorgu.exe 4484 osminog.exe 3892 goldprimeldlldf.exe 3692 TeamFour.exe -
Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exeexplorgu.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Wine 1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exe Key opened \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Wine explorgu.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 4816 rundll32.exe 1724 rundll32.exe 924 rundll32.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exeexplorgu.exepid process 2964 1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exe 4832 explorgu.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
osminog.exegoldprimeldlldf.exedescription pid process target process PID 4484 set thread context of 544 4484 osminog.exe RegAsm.exe PID 3892 set thread context of 2004 3892 goldprimeldlldf.exe RegAsm.exe -
Drops file in Windows directory 1 IoCs
Processes:
1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exedescription ioc process File created C:\Windows\Tasks\explorgu.job 1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 2560 544 WerFault.exe RegAsm.exe 3900 544 WerFault.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
Processes:
1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exeexplorgu.exeRegAsm.exerundll32.exepowershell.exepid process 2964 1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exe 2964 1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exe 4832 explorgu.exe 4832 explorgu.exe 2004 RegAsm.exe 2004 RegAsm.exe 2004 RegAsm.exe 2004 RegAsm.exe 2004 RegAsm.exe 2004 RegAsm.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 212 powershell.exe 212 powershell.exe 212 powershell.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
Processes:
osminog.exeRegAsm.exepowershell.exeTeamFour.exedescription pid process Token: SeDebugPrivilege 4484 osminog.exe Token: SeDebugPrivilege 2004 RegAsm.exe Token: SeDebugPrivilege 212 powershell.exe Token: SeDebugPrivilege 3692 TeamFour.exe Token: SeBackupPrivilege 3692 TeamFour.exe Token: SeSecurityPrivilege 3692 TeamFour.exe Token: SeSecurityPrivilege 3692 TeamFour.exe Token: SeSecurityPrivilege 3692 TeamFour.exe Token: SeSecurityPrivilege 3692 TeamFour.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
explorgu.exeosminog.exegoldprimeldlldf.exerundll32.exerundll32.exedescription pid process target process PID 4832 wrote to memory of 4484 4832 explorgu.exe osminog.exe PID 4832 wrote to memory of 4484 4832 explorgu.exe osminog.exe PID 4832 wrote to memory of 4484 4832 explorgu.exe osminog.exe PID 4484 wrote to memory of 3160 4484 osminog.exe RegAsm.exe PID 4484 wrote to memory of 3160 4484 osminog.exe RegAsm.exe PID 4484 wrote to memory of 3160 4484 osminog.exe RegAsm.exe PID 4484 wrote to memory of 1792 4484 osminog.exe RegAsm.exe PID 4484 wrote to memory of 1792 4484 osminog.exe RegAsm.exe PID 4484 wrote to memory of 1792 4484 osminog.exe RegAsm.exe PID 4484 wrote to memory of 544 4484 osminog.exe RegAsm.exe PID 4484 wrote to memory of 544 4484 osminog.exe RegAsm.exe PID 4484 wrote to memory of 544 4484 osminog.exe RegAsm.exe PID 4484 wrote to memory of 544 4484 osminog.exe RegAsm.exe PID 4484 wrote to memory of 544 4484 osminog.exe RegAsm.exe PID 4484 wrote to memory of 544 4484 osminog.exe RegAsm.exe PID 4484 wrote to memory of 544 4484 osminog.exe RegAsm.exe PID 4484 wrote to memory of 544 4484 osminog.exe RegAsm.exe PID 4484 wrote to memory of 544 4484 osminog.exe RegAsm.exe PID 4832 wrote to memory of 3892 4832 explorgu.exe goldprimeldlldf.exe PID 4832 wrote to memory of 3892 4832 explorgu.exe goldprimeldlldf.exe PID 4832 wrote to memory of 3892 4832 explorgu.exe goldprimeldlldf.exe PID 3892 wrote to memory of 2004 3892 goldprimeldlldf.exe RegAsm.exe PID 3892 wrote to memory of 2004 3892 goldprimeldlldf.exe RegAsm.exe PID 3892 wrote to memory of 2004 3892 goldprimeldlldf.exe RegAsm.exe PID 3892 wrote to memory of 2004 3892 goldprimeldlldf.exe RegAsm.exe PID 3892 wrote to memory of 2004 3892 goldprimeldlldf.exe RegAsm.exe PID 3892 wrote to memory of 2004 3892 goldprimeldlldf.exe RegAsm.exe PID 3892 wrote to memory of 2004 3892 goldprimeldlldf.exe RegAsm.exe PID 3892 wrote to memory of 2004 3892 goldprimeldlldf.exe RegAsm.exe PID 4832 wrote to memory of 4816 4832 explorgu.exe rundll32.exe PID 4832 wrote to memory of 4816 4832 explorgu.exe rundll32.exe PID 4832 wrote to memory of 4816 4832 explorgu.exe rundll32.exe PID 4816 wrote to memory of 1724 4816 rundll32.exe rundll32.exe PID 4816 wrote to memory of 1724 4816 rundll32.exe rundll32.exe PID 1724 wrote to memory of 4448 1724 rundll32.exe netsh.exe PID 1724 wrote to memory of 4448 1724 rundll32.exe netsh.exe PID 1724 wrote to memory of 212 1724 rundll32.exe powershell.exe PID 1724 wrote to memory of 212 1724 rundll32.exe powershell.exe PID 4832 wrote to memory of 924 4832 explorgu.exe rundll32.exe PID 4832 wrote to memory of 924 4832 explorgu.exe rundll32.exe PID 4832 wrote to memory of 924 4832 explorgu.exe rundll32.exe PID 4832 wrote to memory of 3692 4832 explorgu.exe TeamFour.exe PID 4832 wrote to memory of 3692 4832 explorgu.exe TeamFour.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exe"C:\Users\Admin\AppData\Local\Temp\1b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:2964
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C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exeC:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4832 -
C:\Users\Admin\AppData\Local\Temp\1000836001\osminog.exe"C:\Users\Admin\AppData\Local\Temp\1000836001\osminog.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4484 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵PID:3160
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵PID:1792
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵PID:544
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 11884⤵
- Program crash
PID:2560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 11964⤵
- Program crash
PID:3900
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C:\Users\Admin\AppData\Local\Temp\1000837001\goldprimeldlldf.exe"C:\Users\Admin\AppData\Local\Temp\1000837001\goldprimeldlldf.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3892 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2004
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4816 -
C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵PID:4448
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\270530367132_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:212
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main2⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:924
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C:\Users\Admin\AppData\Local\Temp\1000979001\TeamFour.exe"C:\Users\Admin\AppData\Local\Temp\1000979001\TeamFour.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3692
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 544 -ip 5441⤵PID:3552
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 544 -ip 5441⤵PID:3980
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD5f54b263d4a5b690a615273cdd88ca795
SHA17271a0dbfeea24784781a554a95579a1688a28cd
SHA2561b58311b888632dde4f21bc055da12e50fadb841e1e2b1b68a5f7317f162b157
SHA512bc2eb6e166de516bc8bf185f6c3eb7ec929df9a1a5f76f395634b5161da7b834f7e45bed78dd4df8be6a1ee27261da808991b96535f40bcf0677434afa8c3114
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Filesize
534KB
MD5a3f8b60a08da0f600cfce3bb600d5cb3
SHA1b00d7721767b717b3337b5c6dade4ebf2d56345e
SHA2560c608a9b1e70bf8b51a681a8390c8e4743501c45b84cf4d59727aba2fc33cadb
SHA51214f63e415133ca438d3c217d5fb3ecf0ad76e19969c54d356f46282230230f1b254fbfc8ae5f78809dc189a9648be2dc1398927b3f089c525cd1105a3843f60d
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Filesize
464KB
MD5c084d6f6ba40534fbfc5a64b21ef99ab
SHA10b4a17da83c0a8abbc8fab321931d5447b32b720
SHA256afd83290a2adb219c3f1b8fbf23c27b0994fe76dfbb7dc0b416530dc0e21f624
SHA512a5384a2f7029cf946fde44e1ff30775754ce525ca5a6fdac14184872b6e684cb6e585053cb86d32f82cbd3db48eb195ba3a642d8ee3774be579fccd993938ca1
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Filesize
912KB
MD5e3a76d49eff234a3e1c38b9b3d4d9137
SHA1b6dc07dd8e6d6469ed2980fdcf8e1b2af33bea99
SHA256d94a938011fdc6a7e4bc4abeb3106f29ed65fabb981a7b3fa9c89c0fa6fd470c
SHA512cc78b20d04d5c4c83c09c61373cbdff9173e940ffc14fd43a447fe7dff6154f2af94cc87354f09a9f3eac694b7019f42354af6f3811a6a32d1541e7769a4bdeb
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Filesize
541KB
MD53b069f3dd741e4360f26cb27cb10320a
SHA16a9503aaf1e297f2696482ddf1bd4605a8710101
SHA256f63bdc068c453e7e22740681a0c280d02745807b1695ce86e5067069beca533e
SHA512bda58c074f7bd5171d7e3188a48cbdc457607ff06045e64a9e8e33fcb6f66f941d75a7bf57eb0ef262491622b4a9936342384237fa61c1add3365d5006c6d0d9
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
109KB
MD52afdbe3b99a4736083066a13e4b5d11a
SHA14d4856cf02b3123ac16e63d4a448cdbcb1633546
SHA2568d31b39170909595b518b1a03e9ec950540fabd545ed14817cac5c84b91599ee
SHA512d89b3c46854153e60e3fa825b394344eee33936d7dbf186af9d95c9adae54428609e3bf21a18d38fce3d96f3e0b8e4e0ed25cb5004fbe288de3aef3a85b1d93f
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Filesize
1.2MB
MD592fbdfccf6a63acef2743631d16652a7
SHA1971968b1378dd89d59d7f84bf92f16fc68664506
SHA256b4588feacc183cd5a089f9bb950827b75df04bd5a6e67c95ff258e4a34aa0d72
SHA512b8ea216d4a59d8858fd4128abb555f8dcf3acca9138e663b488f09dc5200db6dc11ecc235a355e801145bbbb44d7beac6147949d75d78b32fe9cfd2fa200d117