Analysis
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max time kernel
146s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
26-03-2024 18:00
Static task
static1
Behavioral task
behavioral1
Sample
bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exe
Resource
win10v2004-20231215-en
General
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Target
bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exe
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Size
1.8MB
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MD5
068a6a9c496711953d7bb85f8aa2df48
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SHA1
d200e9c6860c08578bac06d6c815b457e8d8dd6c
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SHA256
bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f
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SHA512
7b8e79310b7635cd3d725b4364648077fef7b50a419b2f85f3d0b3e18c615b55e9df9efa1dc85c74c4ffafba8f62be3469c053606ca61679becb6af51e6c4ba6
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SSDEEP
49152:me0DhHVthto86gBPM9mQOk8fR4JMd5h/iwimoFORVLVHKW:meIf+ngxGm4+l/pidwrLVHK
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
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/4388-56-0x0000000000A10000-0x0000000000A8A000-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 3 IoCs
Processes:
resource yara_rule behavioral1/memory/464-61-0x0000000000400000-0x0000000000450000-memory.dmp family_redline C:\Users\Admin\AppData\Local\Temp\1000979001\TeamFour.exe family_redline behavioral1/memory/1992-159-0x0000000000840000-0x00000000008CC000-memory.dmp family_redline -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
Processes:
bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exeexplorgu.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 50 4724 rundll32.exe 54 3384 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:
bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exeexplorgu.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation explorgu.exe -
Executes dropped EXE 3 IoCs
Processes:
explorgu.exegoldprimeldlldf.exeTeamFour.exepid process 3324 explorgu.exe 4388 goldprimeldlldf.exe 1992 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:
bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exeexplorgu.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Wine bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exe Key opened \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Wine explorgu.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 1408 rundll32.exe 4724 rundll32.exe 3384 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:
bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exeexplorgu.exepid process 4072 bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exe 3324 explorgu.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
goldprimeldlldf.exedescription pid process target process PID 4388 set thread context of 464 4388 goldprimeldlldf.exe RegAsm.exe -
Drops file in Windows directory 1 IoCs
Processes:
bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exedescription ioc process File created C:\Windows\Tasks\explorgu.job bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 17 IoCs
Processes:
bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exeexplorgu.exerundll32.exepowershell.exeTeamFour.exepid process 4072 bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exe 4072 bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exe 3324 explorgu.exe 3324 explorgu.exe 4724 rundll32.exe 4724 rundll32.exe 4724 rundll32.exe 4724 rundll32.exe 4724 rundll32.exe 4724 rundll32.exe 4724 rundll32.exe 4724 rundll32.exe 4724 rundll32.exe 4724 rundll32.exe 4624 powershell.exe 4624 powershell.exe 1992 TeamFour.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
Processes:
powershell.exeTeamFour.exedescription pid process Token: SeDebugPrivilege 4624 powershell.exe Token: SeDebugPrivilege 1992 TeamFour.exe Token: SeBackupPrivilege 1992 TeamFour.exe Token: SeSecurityPrivilege 1992 TeamFour.exe Token: SeSecurityPrivilege 1992 TeamFour.exe Token: SeSecurityPrivilege 1992 TeamFour.exe Token: SeSecurityPrivilege 1992 TeamFour.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
explorgu.exegoldprimeldlldf.exerundll32.exerundll32.exedescription pid process target process PID 3324 wrote to memory of 4388 3324 explorgu.exe goldprimeldlldf.exe PID 3324 wrote to memory of 4388 3324 explorgu.exe goldprimeldlldf.exe PID 3324 wrote to memory of 4388 3324 explorgu.exe goldprimeldlldf.exe PID 4388 wrote to memory of 464 4388 goldprimeldlldf.exe RegAsm.exe PID 4388 wrote to memory of 464 4388 goldprimeldlldf.exe RegAsm.exe PID 4388 wrote to memory of 464 4388 goldprimeldlldf.exe RegAsm.exe PID 4388 wrote to memory of 464 4388 goldprimeldlldf.exe RegAsm.exe PID 4388 wrote to memory of 464 4388 goldprimeldlldf.exe RegAsm.exe PID 4388 wrote to memory of 464 4388 goldprimeldlldf.exe RegAsm.exe PID 4388 wrote to memory of 464 4388 goldprimeldlldf.exe RegAsm.exe PID 4388 wrote to memory of 464 4388 goldprimeldlldf.exe RegAsm.exe PID 3324 wrote to memory of 1408 3324 explorgu.exe rundll32.exe PID 3324 wrote to memory of 1408 3324 explorgu.exe rundll32.exe PID 3324 wrote to memory of 1408 3324 explorgu.exe rundll32.exe PID 1408 wrote to memory of 4724 1408 rundll32.exe rundll32.exe PID 1408 wrote to memory of 4724 1408 rundll32.exe rundll32.exe PID 4724 wrote to memory of 2304 4724 rundll32.exe netsh.exe PID 4724 wrote to memory of 2304 4724 rundll32.exe netsh.exe PID 4724 wrote to memory of 4624 4724 rundll32.exe powershell.exe PID 4724 wrote to memory of 4624 4724 rundll32.exe powershell.exe PID 3324 wrote to memory of 3384 3324 explorgu.exe rundll32.exe PID 3324 wrote to memory of 3384 3324 explorgu.exe rundll32.exe PID 3324 wrote to memory of 3384 3324 explorgu.exe rundll32.exe PID 3324 wrote to memory of 1992 3324 explorgu.exe TeamFour.exe PID 3324 wrote to memory of 1992 3324 explorgu.exe TeamFour.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.exe"C:\Users\Admin\AppData\Local\Temp\bbfd699b778873912bab7e30f827dcdf597b36b176aad3a86ae16246f07ed08f.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:4072
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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:3324 -
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:4388 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵PID:464
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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:1408 -
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:4724 -
C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵PID:2304
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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\497073144238_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4624 -
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:3384 -
C:\Users\Admin\AppData\Local\Temp\1000979001\TeamFour.exe"C:\Users\Admin\AppData\Local\Temp\1000979001\TeamFour.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1992
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1024KB
MD5d53d37573e23e0dd6a04e827c7afcae9
SHA1956873149dc45eccc547260d968a0c33039c2ea5
SHA2567ab88ee5aa100704c6dd1f2bf9650795d5d40602f96b5ee9f1a81d9eef9319f4
SHA5129f307acc7285308f68b124fb473db7279bc7dfbdca040fb9f7b831cd72b8ad2dd95267d4bb04587878d79ce9a8e77c3f8feb7a4de6e4be566bcccf32a8e32c9e
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Filesize
320KB
MD5a4ab62f217ee9c5fab04cbb588a93344
SHA174efa7c238beec3a252dc14ff4ac855d849b06d7
SHA256fed9d6418b98605b5c462df476c5cb23ad5c4382b2f1ed35c752d6c38ffcfb38
SHA512877d1c3fc5631b8d42f97b5cb746e77941ff941565425aada1e97134e96a015ed99a311a448ff938f5e9c47b2bb273e800c87703cc5fb29f3941715d83032124
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Filesize
162B
MD51b7c22a214949975556626d7217e9a39
SHA1d01c97e2944166ed23e47e4a62ff471ab8fa031f
SHA256340c8464c2007ce3f80682e15dfafa4180b641d53c14201b929906b7b0284d87
SHA512ba64847cf1d4157d50abe4f4a1e5c1996fe387c5808e2f758c7fb3213bfefe1f3712d343f0c30a16819749840954654a70611d2250fd0f7b032429db7afd2cc5
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Filesize
464KB
MD5c084d6f6ba40534fbfc5a64b21ef99ab
SHA10b4a17da83c0a8abbc8fab321931d5447b32b720
SHA256afd83290a2adb219c3f1b8fbf23c27b0994fe76dfbb7dc0b416530dc0e21f624
SHA512a5384a2f7029cf946fde44e1ff30775754ce525ca5a6fdac14184872b6e684cb6e585053cb86d32f82cbd3db48eb195ba3a642d8ee3774be579fccd993938ca1
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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