Resubmissions
09-04-2024 03:49
240409-edcl2adf68 1009-04-2024 03:48
240409-ec33ladf59 1009-04-2024 03:47
240409-ecqr9sdf46 1009-04-2024 03:47
240409-eb8xfshb7t 1003-04-2024 12:14
240403-peb21add42 10Analysis
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max time kernel
1199s -
max time network
1205s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
09-04-2024 03:48
Static task
static1
Behavioral task
behavioral1
Sample
Ezxotfkmz.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
Ezxotfkmz.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
Ezxotfkmz.exe
Resource
win10v2004-20231215-en
General
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Target
Ezxotfkmz.exe
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Size
451KB
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MD5
0d34f2b095cbff0be00eb45758929907
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SHA1
3fa3b5e296d49c4d8e6dfc5d4b775a48609aca78
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SHA256
89d511c97a4e0f4bf48a72fe764adb6d3de9007859c7632dc07477f2062c2b20
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SHA512
6965e9d2c2b9a11bb428ba8ac47202b7d0d4aaf826f905fb0afee903b2ae4b85cec446b536721b84237aeeb08f03ff413a67c75c36ba78d85a6727831e7b6340
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SSDEEP
6144:xpHC550+1KYQ2JRpK3SRgadBU9RwfqUKDPi5xo/nY:xpis+S2JRpK3SRgKQ/n
Malware Config
Extracted
bitrat
1.38
103.153.182.247:6161
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communication_password
81dc9bdb52d04dc20036dbd8313ed055
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install_dir
Install path
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install_file
Install name
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tor_process
tor
Signatures
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Detect ZGRat V1 34 IoCs
resource yara_rule behavioral4/memory/2168-3-0x0000000006470000-0x0000000006854000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-4-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-5-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-7-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-9-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-11-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-13-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-15-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-17-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-19-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-21-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-23-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-25-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-27-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-29-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-31-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-33-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-35-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-37-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-39-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-41-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-43-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-45-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-47-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-49-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-51-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-53-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-55-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-57-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-59-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-61-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-63-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-67-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 behavioral4/memory/2168-65-0x0000000006470000-0x000000000684F000-memory.dmp family_zgrat_v1 -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral4/files/0x0002000000025ca4-5387.dat acprotect -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Bcesihxe.vbs Ezxotfkmz.exe -
Executes dropped EXE 3 IoCs
pid Process 4632 Install name 1328 gRrqgoBq.exe 4252 gRrqgoBq.exe -
Loads dropped DLL 1 IoCs
pid Process 4252 gRrqgoBq.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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 local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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resource yara_rule behavioral4/memory/1328-5353-0x0000000000400000-0x00000000008DC000-memory.dmp upx behavioral4/memory/1328-5356-0x0000000000400000-0x00000000008DC000-memory.dmp upx behavioral4/memory/1328-5437-0x0000000000400000-0x00000000008DC000-memory.dmp upx -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts gRrqgoBq.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Microsoft\Windows\CurrentVersion\Run\Install name = "C:\\Users\\Admin\\AppData\\Local\\Install path\\Install nameȀ" Ezxotfkmz.exe Set value (str) \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Microsoft\Windows\CurrentVersion\Run\Install name = "C:\\Users\\Admin\\AppData\\Local\\Install path\\Install namè" Ezxotfkmz.exe Set value (str) \REGISTRY\USER\S-1-5-21-627134735-902745853-4257352768-1000\Software\Microsoft\Windows\CurrentVersion\Run\Install name = "C:\\Users\\Admin\\AppData\\Local\\Install path\\Install name" Ezxotfkmz.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2168 set thread context of 4712 2168 Ezxotfkmz.exe 80 PID 4712 set thread context of 1328 4712 Ezxotfkmz.exe 84 PID 1328 set thread context of 4252 1328 gRrqgoBq.exe 85 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4252 gRrqgoBq.exe 4252 gRrqgoBq.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4712 Ezxotfkmz.exe -
Suspicious behavior: RenamesItself 64 IoCs
pid Process 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2168 Ezxotfkmz.exe Token: SeDebugPrivilege 2168 Ezxotfkmz.exe Token: SeShutdownPrivilege 4712 Ezxotfkmz.exe Token: SeDebugPrivilege 4252 gRrqgoBq.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4712 Ezxotfkmz.exe 4712 Ezxotfkmz.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2168 wrote to memory of 4712 2168 Ezxotfkmz.exe 80 PID 2168 wrote to memory of 4712 2168 Ezxotfkmz.exe 80 PID 2168 wrote to memory of 4712 2168 Ezxotfkmz.exe 80 PID 2168 wrote to memory of 4712 2168 Ezxotfkmz.exe 80 PID 2168 wrote to memory of 4712 2168 Ezxotfkmz.exe 80 PID 2168 wrote to memory of 4712 2168 Ezxotfkmz.exe 80 PID 2168 wrote to memory of 4712 2168 Ezxotfkmz.exe 80 PID 2168 wrote to memory of 4712 2168 Ezxotfkmz.exe 80 PID 2168 wrote to memory of 4712 2168 Ezxotfkmz.exe 80 PID 2168 wrote to memory of 4712 2168 Ezxotfkmz.exe 80 PID 2168 wrote to memory of 4712 2168 Ezxotfkmz.exe 80 PID 4712 wrote to memory of 4632 4712 Ezxotfkmz.exe 83 PID 4712 wrote to memory of 4632 4712 Ezxotfkmz.exe 83 PID 4712 wrote to memory of 4632 4712 Ezxotfkmz.exe 83 PID 4712 wrote to memory of 1328 4712 Ezxotfkmz.exe 84 PID 4712 wrote to memory of 1328 4712 Ezxotfkmz.exe 84 PID 4712 wrote to memory of 1328 4712 Ezxotfkmz.exe 84 PID 4712 wrote to memory of 1328 4712 Ezxotfkmz.exe 84 PID 4712 wrote to memory of 1328 4712 Ezxotfkmz.exe 84 PID 4712 wrote to memory of 1328 4712 Ezxotfkmz.exe 84 PID 4712 wrote to memory of 1328 4712 Ezxotfkmz.exe 84 PID 4712 wrote to memory of 1328 4712 Ezxotfkmz.exe 84 PID 1328 wrote to memory of 4252 1328 gRrqgoBq.exe 85 PID 1328 wrote to memory of 4252 1328 gRrqgoBq.exe 85 PID 1328 wrote to memory of 4252 1328 gRrqgoBq.exe 85 PID 1328 wrote to memory of 4252 1328 gRrqgoBq.exe 85 PID 1328 wrote to memory of 4252 1328 gRrqgoBq.exe 85 PID 1328 wrote to memory of 4252 1328 gRrqgoBq.exe 85 PID 1328 wrote to memory of 4252 1328 gRrqgoBq.exe 85 PID 1328 wrote to memory of 4252 1328 gRrqgoBq.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe"C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe"C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe"2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4712 -
C:\Users\Admin\AppData\Local\Install path\Install name-a "C:\Users\Admin\AppData\Local\ef307005\plg\gRrqgoBq.json"3⤵
- Executes dropped EXE
PID:4632
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C:\Users\Admin\AppData\Local\Temp\gRrqgoBq.exe-a "C:\Users\Admin\AppData\Local\ef307005\plg\gRrqgoBq.json"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1328 -
C:\Users\Admin\AppData\Local\Temp\gRrqgoBq.exe-a "C:\Users\Admin\AppData\Local\Temp\unk.xml"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Accesses Microsoft Outlook accounts
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4252
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
451KB
MD50d34f2b095cbff0be00eb45758929907
SHA13fa3b5e296d49c4d8e6dfc5d4b775a48609aca78
SHA25689d511c97a4e0f4bf48a72fe764adb6d3de9007859c7632dc07477f2062c2b20
SHA5126965e9d2c2b9a11bb428ba8ac47202b7d0d4aaf826f905fb0afee903b2ae4b85cec446b536721b84237aeeb08f03ff413a67c75c36ba78d85a6727831e7b6340
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Filesize
104B
MD54f3bde9212e17ef18226866d6ac739b6
SHA1732733bec8314beb81437e60876ffa75e72ae6cd
SHA256212173a405c78d70f90e8ec0699a60ed2f4a9f3a8070de62eabd666c268fb174
SHA51210b7cdae0b9a7b0f8e1bfc66a60675fa9b25c523864d5ae3da243f4e6e4c5194f3bd92af57ac956157442f66414bdd3393d0a1e5ba4ef0f192561e8524d4e744
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Filesize
104B
MD5bf5da170f7c9a8eae88d1cb1a191ff80
SHA1dd1b991a1b03587a5d1edc94e919a2070e325610
SHA256e5d5110feb21939d82d962981aeaaafc4643b40a9b87cbed800ace82135d57cd
SHA5129e32247d8556fd6efffbf7b6b9c325652d8c4b223b0fa38020879171476a49ab1f64d8897b5d8d92b79c5484fd9d5899be26ca5f664ee1f9c2acb0857084121e
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Filesize
793KB
MD586114faba7e1ec4a667d2bcb2e23f024
SHA1670df6e1ba1dc6bece046e8b2e573dd36748245e
SHA256568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d
SHA512d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f
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Filesize
402B
MD5ca42e05f9d53c7ec9383307c1ea282bb
SHA1ed0efa1b59b461dcda08121a39411bee72f6b4cb
SHA25663a7295e66183379580db16d0d191bb261ccc9edb982980051291c8bdf6c4ade
SHA5124a1e3655a93f5e29ac7191eb3249b5b5a61b90353e78cc0bae4e81008aaff43bd9db4c2fde0c5ffcdae5e7eb87dfccffd4a1f383c78f5d40d52cbc4d61890196
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Filesize
98B
MD567efe59fbf8aaf3e8de7d67dab21c2a7
SHA10869d3ea3b16639ed4a0803acea1c476e199b16c
SHA25663ca5c5c3cf4be4765115926225c060d89ef54d6f6fc3ec284cb3ecb398b0cb1
SHA51275f162ff2cc23dd7df018109264f157727fdecc869e3f493e4d0bed26b4429ab00fc9724a5ea420488ba1b4b102a07992357c0d3567c7acea6dd5333cd8cebbb