Analysis
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max time kernel
118s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
16-12-2023 17:16
Static task
static1
Behavioral task
behavioral1
Sample
bffa608e609a6e2f67d01bb5f64ba70a.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
bffa608e609a6e2f67d01bb5f64ba70a.exe
Resource
win10v2004-20231215-en
General
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Target
bffa608e609a6e2f67d01bb5f64ba70a.exe
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Size
2.6MB
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MD5
bffa608e609a6e2f67d01bb5f64ba70a
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SHA1
dfc31151b6886f6a0e18c6a564f766591772b78f
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SHA256
27c43e0863d1f53297dc16f09626d956c6f86cf3285bbd8eb8488eccb564fa66
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SHA512
4936cea91c0d0cfbba73d0a62fb31c3cf4f915611c031f358bb9f86fceeed8318d25b3b2e9785bed7a77d3c4093a48b8d58a01520190fa6fd30a2d27276863b7
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SSDEEP
12288:ljT1qos+lTLzwN9RYIA17At7y7qP7d1JHywHS38hy:+UlyYIApAxyGd1JSgS3my
Malware Config
Extracted
arkei
Default
Extracted
marsstealer
Default
91.92.250.149/gate.php
Signatures
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Mars Stealer
An infostealer written in C++ based on other infostealers.
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Loads dropped DLL 2 IoCs
pid Process 2136 AddinProcess32.exe 2136 AddinProcess32.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3040 set thread context of 2136 3040 bffa608e609a6e2f67d01bb5f64ba70a.exe 28 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AddinProcess32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString AddinProcess32.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1580 timeout.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3040 bffa608e609a6e2f67d01bb5f64ba70a.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 3040 wrote to memory of 2136 3040 bffa608e609a6e2f67d01bb5f64ba70a.exe 28 PID 3040 wrote to memory of 2136 3040 bffa608e609a6e2f67d01bb5f64ba70a.exe 28 PID 3040 wrote to memory of 2136 3040 bffa608e609a6e2f67d01bb5f64ba70a.exe 28 PID 3040 wrote to memory of 2136 3040 bffa608e609a6e2f67d01bb5f64ba70a.exe 28 PID 3040 wrote to memory of 2136 3040 bffa608e609a6e2f67d01bb5f64ba70a.exe 28 PID 3040 wrote to memory of 2136 3040 bffa608e609a6e2f67d01bb5f64ba70a.exe 28 PID 3040 wrote to memory of 2136 3040 bffa608e609a6e2f67d01bb5f64ba70a.exe 28 PID 3040 wrote to memory of 2136 3040 bffa608e609a6e2f67d01bb5f64ba70a.exe 28 PID 3040 wrote to memory of 2136 3040 bffa608e609a6e2f67d01bb5f64ba70a.exe 28 PID 3040 wrote to memory of 2136 3040 bffa608e609a6e2f67d01bb5f64ba70a.exe 28 PID 3040 wrote to memory of 2136 3040 bffa608e609a6e2f67d01bb5f64ba70a.exe 28 PID 2136 wrote to memory of 568 2136 AddinProcess32.exe 33 PID 2136 wrote to memory of 568 2136 AddinProcess32.exe 33 PID 2136 wrote to memory of 568 2136 AddinProcess32.exe 33 PID 2136 wrote to memory of 568 2136 AddinProcess32.exe 33 PID 568 wrote to memory of 1580 568 cmd.exe 35 PID 568 wrote to memory of 1580 568 cmd.exe 35 PID 568 wrote to memory of 1580 568 cmd.exe 35 PID 568 wrote to memory of 1580 568 cmd.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\bffa608e609a6e2f67d01bb5f64ba70a.exe"C:\Users\Admin\AppData\Local\Temp\bffa608e609a6e2f67d01bb5f64ba70a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3040 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddinProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddinProcess32.exe"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2136 -
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\AddinProcess32.exe" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:568 -
C:\Windows\SysWOW64\timeout.exetimeout /t 54⤵
- Delays execution with timeout.exe
PID:1580
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
133KB
MD58f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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Filesize
1.2MB
MD5bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66