Analysis
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max time kernel
47s -
max time network
52s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
07-07-2022 04:43
Static task
static1
Behavioral task
behavioral1
Sample
Anwuqahpedbnnlsgekmacy.exe
Resource
win7-20220414-en
General
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Target
Anwuqahpedbnnlsgekmacy.exe
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Size
576KB
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MD5
6033fc2cf6e73f5ca5cf76206d4f2232
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SHA1
a01fae21dfd9319f332c3cb717f8a8467514e8ce
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SHA256
eaa5fb40a306c308eead3848fe6b4c16c7b271ddc63a89cc876b54248f8b1d08
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SHA512
795df2b76dd23c09e5e90d1b5f2f4b88d1be8b44eb072001fb1bdfca210a6106a38cdafdc4df4e429f7acbbf5c8be3fe093e906280571acbf4458c9c6563233a
Malware Config
Extracted
arkei
Default
Signatures
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suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4
suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4
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suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil
suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil
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Loads dropped DLL 2 IoCs
Processes:
InstallUtil.exepid process 2044 InstallUtil.exe 2044 InstallUtil.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
Anwuqahpedbnnlsgekmacy.exedescription pid process target process PID 1932 set thread context of 2044 1932 Anwuqahpedbnnlsgekmacy.exe InstallUtil.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 InstallUtil.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString InstallUtil.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1500 timeout.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
Anwuqahpedbnnlsgekmacy.exepid process 1932 Anwuqahpedbnnlsgekmacy.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
Anwuqahpedbnnlsgekmacy.exeInstallUtil.execmd.exedescription pid process target process PID 1932 wrote to memory of 2044 1932 Anwuqahpedbnnlsgekmacy.exe InstallUtil.exe PID 1932 wrote to memory of 2044 1932 Anwuqahpedbnnlsgekmacy.exe InstallUtil.exe PID 1932 wrote to memory of 2044 1932 Anwuqahpedbnnlsgekmacy.exe InstallUtil.exe PID 1932 wrote to memory of 2044 1932 Anwuqahpedbnnlsgekmacy.exe InstallUtil.exe PID 1932 wrote to memory of 2044 1932 Anwuqahpedbnnlsgekmacy.exe InstallUtil.exe PID 1932 wrote to memory of 2044 1932 Anwuqahpedbnnlsgekmacy.exe InstallUtil.exe PID 1932 wrote to memory of 2044 1932 Anwuqahpedbnnlsgekmacy.exe InstallUtil.exe PID 1932 wrote to memory of 2044 1932 Anwuqahpedbnnlsgekmacy.exe InstallUtil.exe PID 1932 wrote to memory of 2044 1932 Anwuqahpedbnnlsgekmacy.exe InstallUtil.exe PID 1932 wrote to memory of 2044 1932 Anwuqahpedbnnlsgekmacy.exe InstallUtil.exe PID 1932 wrote to memory of 2044 1932 Anwuqahpedbnnlsgekmacy.exe InstallUtil.exe PID 1932 wrote to memory of 2044 1932 Anwuqahpedbnnlsgekmacy.exe InstallUtil.exe PID 1932 wrote to memory of 2044 1932 Anwuqahpedbnnlsgekmacy.exe InstallUtil.exe PID 1932 wrote to memory of 2044 1932 Anwuqahpedbnnlsgekmacy.exe InstallUtil.exe PID 2044 wrote to memory of 1900 2044 InstallUtil.exe cmd.exe PID 2044 wrote to memory of 1900 2044 InstallUtil.exe cmd.exe PID 2044 wrote to memory of 1900 2044 InstallUtil.exe cmd.exe PID 2044 wrote to memory of 1900 2044 InstallUtil.exe cmd.exe PID 1900 wrote to memory of 1500 1900 cmd.exe timeout.exe PID 1900 wrote to memory of 1500 1900 cmd.exe timeout.exe PID 1900 wrote to memory of 1500 1900 cmd.exe timeout.exe PID 1900 wrote to memory of 1500 1900 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Anwuqahpedbnnlsgekmacy.exe"C:\Users\Admin\AppData\Local\Temp\Anwuqahpedbnnlsgekmacy.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" & exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 54⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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\ProgramData\mozglue.dllFilesize
133KB
MD58f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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\ProgramData\nss3.dllFilesize
1.2MB
MD5bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
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memory/1500-95-0x0000000000000000-mapping.dmp
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memory/1900-93-0x0000000000000000-mapping.dmp
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memory/1932-55-0x0000000004820000-0x00000000048F4000-memory.dmpFilesize
848KB
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memory/1932-56-0x0000000000BD0000-0x0000000000C1C000-memory.dmpFilesize
304KB
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memory/1932-54-0x0000000001380000-0x0000000001416000-memory.dmpFilesize
600KB
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memory/2044-60-0x0000000000400000-0x000000000043D000-memory.dmpFilesize
244KB
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memory/2044-65-0x0000000000400000-0x000000000043D000-memory.dmpFilesize
244KB
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memory/2044-66-0x0000000000400000-0x000000000043D000-memory.dmpFilesize
244KB
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memory/2044-67-0x000000000043C0B2-mapping.dmp
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memory/2044-69-0x0000000000400000-0x000000000043D000-memory.dmpFilesize
244KB
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memory/2044-70-0x0000000000400000-0x000000000043D000-memory.dmpFilesize
244KB
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memory/2044-71-0x00000000757C1000-0x00000000757C3000-memory.dmpFilesize
8KB
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memory/2044-72-0x0000000060900000-0x0000000060992000-memory.dmpFilesize
584KB
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memory/2044-63-0x0000000000400000-0x000000000043D000-memory.dmpFilesize
244KB
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memory/2044-62-0x0000000000400000-0x000000000043D000-memory.dmpFilesize
244KB
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memory/2044-58-0x0000000000400000-0x000000000043D000-memory.dmpFilesize
244KB
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memory/2044-94-0x0000000000400000-0x000000000043D000-memory.dmpFilesize
244KB
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memory/2044-57-0x0000000000400000-0x000000000043D000-memory.dmpFilesize
244KB