Analysis
-
max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
06-06-2024 06:41
Static task
static1
Behavioral task
behavioral1
Sample
d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67.exe
Resource
win7-20240508-en
General
-
Target
d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67.exe
-
Size
1.8MB
-
MD5
8df7549f7fd2f933c2cdf8b8bbda162b
-
SHA1
b3b2c29447b00ed84b14a7aad604632543232208
-
SHA256
d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67
-
SHA512
2060b259c95264f205cd30bf4af94b77f7966df144e1f600f65df5afffd807816ba02f8c35663703e70309ed3279461b6ce216b42fe76142b7639e421f8fccec
-
SSDEEP
49152:k75B7FDFXb9Ya8aesY3Ot4N7G/IeUAtK:k75RFD/n0etD/INAt
Malware Config
Extracted
stealc
Extracted
vidar
https://t.me/r8z0l
https://steamcommunity.com/profiles/76561199698764354
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
-
Detect Vidar Stealer 10 IoCs
resource yara_rule behavioral1/memory/1276-2-0x00000000032D0000-0x000000000341B000-memory.dmp family_vidar_v7 behavioral1/memory/1736-15-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1736-22-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1736-23-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1736-18-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1736-17-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1736-176-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1736-197-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1736-230-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral1/memory/1736-251-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Detect binaries embedding considerable number of MFA browser extension IDs. 4 IoCs
resource yara_rule behavioral1/memory/1736-176-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral1/memory/1736-197-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral1/memory/1736-230-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral1/memory/1736-251-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs -
Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 4 IoCs
resource yara_rule behavioral1/memory/1736-176-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral1/memory/1736-197-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral1/memory/1736-230-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral1/memory/1736-251-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs -
Detects Windows executables referencing non-Windows User-Agents 9 IoCs
resource yara_rule behavioral1/memory/1736-15-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1736-22-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1736-23-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1736-18-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1736-17-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1736-176-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1736-197-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1736-230-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1736-251-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 4 IoCs
resource yara_rule behavioral1/memory/1736-176-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/1736-197-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/1736-230-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral1/memory/1736-251-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 9 IoCs
resource yara_rule behavioral1/memory/1736-15-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/1736-22-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/1736-23-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/1736-18-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/1736-17-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/1736-176-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/1736-197-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/1736-230-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral1/memory/1736-251-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables containing potential Windows Defender anti-emulation checks 9 IoCs
resource yara_rule behavioral1/memory/1736-15-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/1736-22-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/1736-23-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/1736-18-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/1736-17-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/1736-176-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/1736-197-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/1736-230-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral1/memory/1736-251-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation -
Downloads MZ/PE file
-
Executes dropped EXE 1 IoCs
pid Process 1736 kat28D5.tmp -
Loads dropped DLL 2 IoCs
pid Process 1276 d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67.exe 1276 d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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 1 IoCs
description pid Process procid_target PID 1276 set thread context of 1736 1276 d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67.exe 28 -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat28D5.tmp -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 kat28D5.tmp Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 kat28D5.tmp Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 kat28D5.tmp -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1736 kat28D5.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1276 wrote to memory of 1736 1276 d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67.exe 28 PID 1276 wrote to memory of 1736 1276 d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67.exe 28 PID 1276 wrote to memory of 1736 1276 d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67.exe 28 PID 1276 wrote to memory of 1736 1276 d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67.exe 28 PID 1276 wrote to memory of 1736 1276 d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67.exe 28 PID 1276 wrote to memory of 1736 1276 d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67.exe 28 PID 1276 wrote to memory of 1736 1276 d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67.exe 28 PID 1276 wrote to memory of 1736 1276 d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67.exe 28 PID 1276 wrote to memory of 1736 1276 d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67.exe"C:\Users\Admin\AppData\Local\Temp\d38a9f6ac940fd239ba8bfc7f979d1abf5e7a0b0e2420d077d5daa2a40919a67.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1276 -
C:\Users\Admin\AppData\Local\Temp\kat28D5.tmpC:\Users\Admin\AppData\Local\Temp\kat28D5.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:1736
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5090ee9aa3a8a7ff171821b9c731f0e07
SHA1a05fbaf8ed4653384aa0f5a74493afdfe9f4f80a
SHA256335e14ebbec61f7b9185763642e952ccd77b0859e137bf2831c6809e38d98e25
SHA5125b0c1239f54758cc7056bfad0a9541ca31c5c6f07a6d52ab3d78b618d7f24239d1a21528582c0ede13782092013fa6764d236f9564b6d0944df96b633ff4505d
-
Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
-
Filesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f