Analysis
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max time kernel
122s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
28-07-2024 01:20
Static task
static1
Behavioral task
behavioral1
Sample
a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe
Resource
win10v2004-20240709-en
General
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Target
a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe
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Size
6.1MB
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MD5
3472874efe2c665ab11817ce53216d21
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SHA1
6a75e87df5e211ab55e4daa4f5db59552b480c6a
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SHA256
a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f
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SHA512
833ad39afa8f8f6fa9293083a9ec98f4e1cf776decdb6b7c61edf0f8f12b4ba4d83537a2f740cdab836477c9545c439e7b6fdfbfb84fc6b2bc507d47374ea6c4
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SSDEEP
98304:8BrveYNl+D1tGjK35IS0d2oG6aXqE44oL9mb2ZZyEq:iveYNl+xQY5IS0a6qqnQt
Malware Config
Signatures
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
pid Process 2816 MSBuild.exe 2816 MSBuild.exe -
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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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 1624 set thread context of 2816 1624 a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 4 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 a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe -
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 MSBuild.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2708 timeout.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2816 MSBuild.exe 2816 MSBuild.exe 2816 MSBuild.exe 2816 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1624 a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 1624 wrote to memory of 2816 1624 a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe 30 PID 1624 wrote to memory of 2816 1624 a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe 30 PID 1624 wrote to memory of 2816 1624 a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe 30 PID 1624 wrote to memory of 2816 1624 a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe 30 PID 1624 wrote to memory of 2816 1624 a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe 30 PID 1624 wrote to memory of 2816 1624 a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe 30 PID 1624 wrote to memory of 2816 1624 a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe 30 PID 1624 wrote to memory of 2816 1624 a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe 30 PID 1624 wrote to memory of 2816 1624 a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe 30 PID 1624 wrote to memory of 2816 1624 a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe 30 PID 1624 wrote to memory of 2816 1624 a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe 30 PID 2816 wrote to memory of 2268 2816 MSBuild.exe 33 PID 2816 wrote to memory of 2268 2816 MSBuild.exe 33 PID 2816 wrote to memory of 2268 2816 MSBuild.exe 33 PID 2816 wrote to memory of 2268 2816 MSBuild.exe 33 PID 2268 wrote to memory of 2708 2268 cmd.exe 35 PID 2268 wrote to memory of 2708 2268 cmd.exe 35 PID 2268 wrote to memory of 2708 2268 cmd.exe 35 PID 2268 wrote to memory of 2708 2268 cmd.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe"C:\Users\Admin\AppData\Local\Temp\a35e785bcf822d20a6bfb76d4dd3f78ecebaf8147f03ee2ffd8d492ac8cc657f.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2816 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BAKKEGCAAECA" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2268 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2708
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
953B
MD56ca86973f8e850933509249965b9ff40
SHA10300467b5ad6ebd2b359055532575fbb02146764
SHA256a6581dbc0708985a12bec756110de28d831d4e6771c5a99e04c04ab4147d8b4e
SHA51203df8c140c279034a1a1ac3fe26e8612b934663c7fe301d6bd99bcadef23902be21967ef5a5334388412989dfe57a1aaa74164f57976e3ea0f59589151b35d63
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571