Analysis
-
max time kernel
94s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19-09-2024 01:40
Static task
static1
Behavioral task
behavioral1
Sample
a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe
Resource
win10v2004-20240802-en
General
-
Target
a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe
-
Size
292KB
-
MD5
d0263e1e29b4f202bffd383f136395c4
-
SHA1
24a701fe63e5b6d31c103db118ca21a75ed4496b
-
SHA256
a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd
-
SHA512
2d8af02d8bf2b8eb09c15a87e2c2cbcd7d34c619180e6dca29be3fd43108a0e993ab7aad418a2ecb2bb2e0792f382bb8b79dc85537f5bb7da1fdd7673e41339f
-
SSDEEP
6144:Pz7IsdCrg45NVyLuYKq0sda9en510jjPvn7D/eFwF+0VSyEO:PfeNNUqnqf10nvn7DeFcRSyEO
Malware Config
Extracted
vidar
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0
Signatures
-
Detect Vidar Stealer 20 IoCs
resource yara_rule behavioral2/memory/2944-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2944-10-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2944-9-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2944-25-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2944-26-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2944-42-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2944-43-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2944-59-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2944-60-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2944-84-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2944-85-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2944-92-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/2944-93-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1620-136-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1620-139-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1620-140-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1620-149-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1620-150-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1620-165-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1620-166-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
-
Downloads MZ/PE file
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 1132 IDHIEBAAKJ.exe 4484 JECAFHJEGC.exe -
Loads dropped DLL 2 IoCs
pid Process 2944 RegAsm.exe 2944 RegAsm.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
-
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2940 set thread context of 2944 2940 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 83 PID 1132 set thread context of 2552 1132 IDHIEBAAKJ.exe 94 PID 4484 set thread context of 1620 4484 JECAFHJEGC.exe 98 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JECAFHJEGC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IDHIEBAAKJ.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1516 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 2944 RegAsm.exe 2944 RegAsm.exe 2944 RegAsm.exe 2944 RegAsm.exe 2944 RegAsm.exe 2944 RegAsm.exe 2944 RegAsm.exe 2944 RegAsm.exe 1620 RegAsm.exe 1620 RegAsm.exe 1620 RegAsm.exe 1620 RegAsm.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 2940 wrote to memory of 2944 2940 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 83 PID 2940 wrote to memory of 2944 2940 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 83 PID 2940 wrote to memory of 2944 2940 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 83 PID 2940 wrote to memory of 2944 2940 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 83 PID 2940 wrote to memory of 2944 2940 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 83 PID 2940 wrote to memory of 2944 2940 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 83 PID 2940 wrote to memory of 2944 2940 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 83 PID 2940 wrote to memory of 2944 2940 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 83 PID 2940 wrote to memory of 2944 2940 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 83 PID 2940 wrote to memory of 2944 2940 a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe 83 PID 2944 wrote to memory of 1132 2944 RegAsm.exe 91 PID 2944 wrote to memory of 1132 2944 RegAsm.exe 91 PID 2944 wrote to memory of 1132 2944 RegAsm.exe 91 PID 1132 wrote to memory of 2552 1132 IDHIEBAAKJ.exe 94 PID 1132 wrote to memory of 2552 1132 IDHIEBAAKJ.exe 94 PID 1132 wrote to memory of 2552 1132 IDHIEBAAKJ.exe 94 PID 1132 wrote to memory of 2552 1132 IDHIEBAAKJ.exe 94 PID 1132 wrote to memory of 2552 1132 IDHIEBAAKJ.exe 94 PID 1132 wrote to memory of 2552 1132 IDHIEBAAKJ.exe 94 PID 1132 wrote to memory of 2552 1132 IDHIEBAAKJ.exe 94 PID 1132 wrote to memory of 2552 1132 IDHIEBAAKJ.exe 94 PID 1132 wrote to memory of 2552 1132 IDHIEBAAKJ.exe 94 PID 2944 wrote to memory of 4484 2944 RegAsm.exe 95 PID 2944 wrote to memory of 4484 2944 RegAsm.exe 95 PID 2944 wrote to memory of 4484 2944 RegAsm.exe 95 PID 4484 wrote to memory of 2232 4484 JECAFHJEGC.exe 97 PID 4484 wrote to memory of 2232 4484 JECAFHJEGC.exe 97 PID 4484 wrote to memory of 2232 4484 JECAFHJEGC.exe 97 PID 4484 wrote to memory of 1620 4484 JECAFHJEGC.exe 98 PID 4484 wrote to memory of 1620 4484 JECAFHJEGC.exe 98 PID 4484 wrote to memory of 1620 4484 JECAFHJEGC.exe 98 PID 4484 wrote to memory of 1620 4484 JECAFHJEGC.exe 98 PID 4484 wrote to memory of 1620 4484 JECAFHJEGC.exe 98 PID 4484 wrote to memory of 1620 4484 JECAFHJEGC.exe 98 PID 4484 wrote to memory of 1620 4484 JECAFHJEGC.exe 98 PID 4484 wrote to memory of 1620 4484 JECAFHJEGC.exe 98 PID 4484 wrote to memory of 1620 4484 JECAFHJEGC.exe 98 PID 4484 wrote to memory of 1620 4484 JECAFHJEGC.exe 98 PID 2944 wrote to memory of 2784 2944 RegAsm.exe 99 PID 2944 wrote to memory of 2784 2944 RegAsm.exe 99 PID 2944 wrote to memory of 2784 2944 RegAsm.exe 99 PID 2784 wrote to memory of 1516 2784 cmd.exe 101 PID 2784 wrote to memory of 1516 2784 cmd.exe 101 PID 2784 wrote to memory of 1516 2784 cmd.exe 101
Processes
-
C:\Users\Admin\AppData\Local\Temp\a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe"C:\Users\Admin\AppData\Local\Temp\a6fc0eacb5308bb4e616a6f5caabc12104256d13049ee0744cf53ca7debe6efd.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2940 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2944 -
C:\ProgramData\IDHIEBAAKJ.exe"C:\ProgramData\IDHIEBAAKJ.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- System Location Discovery: System Language Discovery
PID:2552
-
-
-
C:\ProgramData\JECAFHJEGC.exe"C:\ProgramData\JECAFHJEGC.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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"4⤵PID:2232
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1620
-
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GIIIIJDHJEGI" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1516
-
-
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
4Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
160KB
MD5f310cf1ff562ae14449e0167a3e1fe46
SHA185c58afa9049467031c6c2b17f5c12ca73bb2788
SHA256e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
SHA5121196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
-
Filesize
352KB
MD56f4a0ae013610785ad54438f4af26f1a
SHA1c8ff55002963dde8457db2b11f68e67a070ddb21
SHA256ccb16a2e8b58be824d838d5607ecd4b07123de87f9fe9e42e64507d77b0f374d
SHA5126f3a30e8ee4ff36cfaac09bfe1272ed4678783c4628dd82e47dd1ef23d4a8ef1c153a9a4e8951cb38b4c7a833f2bc744dbcc7dac1e550b2f44ffadc8181d8ee3
-
Filesize
292KB
MD5a714209db1b2b68a95e680df111922ed
SHA15533ed29bf3239839e6acf03965cf27ddf4f4138
SHA2567ad095de4171dfb3458752e1f4406b726ea94327e529fd83e2189b8c04ffee86
SHA51225ce432979995987a26e9442c2c9ac026d55ff9f4820d983ab30496d28a75dec508c4083b11a2433f5bc3c2f903828ed2849aa5542fc7de84394b44a29fbcf55
-
Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
-
Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize2KB
MD5912f27bcbbbdd339d73baf2ecec184e7
SHA1de4c42adf7c06de811958807014887a4c0d41c95
SHA256ac4301cf80e1320cc836f85d90d28221a50ec57e6129b195acf0cb00df5d18b2
SHA5123315247d610e70893844af18d903d1010e0d9df7dc3dcaee2b83e4d52fd52910e2623cdcb5e33bc8e8253129914091e20a7a35d51b500fdf4eba2c48da83fcd8
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize2KB
MD59541342916b0c5b0ee2f6062398b867f
SHA146fc51b5aa29f366ef96946c16cbe9b7f67c9392
SHA256e6548a38d5a516be84c393b45ce4a1577e4bbd6bb40aad980237037fe0e5a740
SHA512d763f9f0676bb94f8211aae463896cf1c545531c1c43ee9d60272427c3a7ea56dc332e8e4a08c570a87bc26908de326ef0f196da8ad79051f6cad2dfcd0579aa
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize1KB
MD58515f6b60a6e8becf75da139b0767c36
SHA1a926e7923af47636662c56e51ec8e0485d0e7b61
SHA25642f8b46499f0f8fd94833336b4bdc1e908cb2b6b719d72229764bef52b80a6d6
SHA51267450b06ebcc344b6eee9e5913a741161b1cf081cdb0d4ea5a6224735b2d490c46f1cb4783299265ec13212672af49de8b271b284951c9c229c700468ed322d2
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize458B
MD5dee315c344e9dab15c379cfab1d52e0d
SHA10b0d51f47a514ccc48555df4478794b9f83f69df
SHA2563774a9319d8bdfbdebc699ed6e759428bec3971e4fd97cd7d51696ce21683ae5
SHA512f03ab5421dce4cb6426277dd0e1a087e39c21383fe79ee6e998b8e95d2d7a0a0bf751e8ff82b1acf63fd2633f69b773e44e1701f1daa214591f6b07d729fc7d1
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD568464f080c8bee5546405a56c715acaa
SHA19c794ef526318c51b61103f29890662f021807d2
SHA256dacc485bed2967d6dc8c8cb2fd26e063de6701c0f3ee2005934e3174c54fd8bb
SHA51275c3c7421bc59187bd1a69366f22c43ee86a41c33f840166e8d1941e3c5bcb8a2c4250dfb2a64efe8ed55e9b1bb25fa6cd3593a93a43df13b1336a631d9a5721
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD5f07fe9e45c58a89773f72173c7f004a8
SHA15ece4b9b4b9bb75fe9f7a3b82ce5aa1d6c015911
SHA256b5505d24d42d9ff895835891b4df2b2944f038b765ae19a343b89b334b45414e
SHA512091adc8e8021357edcbc4c756c4fd08c3969f4a9ae0284dafa250e0148addebcf82ff73c9d29fe41499ff386c81c0f359b44b91985235af7d6aa79145b3835b7