Analysis
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max time kernel
151s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
13-07-2021 11:39
Static task
static1
Behavioral task
behavioral1
Sample
0900900000000TTU.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
0900900000000TTU.exe
Resource
win10v20210408
General
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Target
0900900000000TTU.exe
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Size
397KB
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MD5
553970a3cc2107922b3c29ececbd11e3
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SHA1
75e5109e14865976612cbe77023237a0e6321094
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SHA256
6dd6430d675baddc598fa38532e9d4572d5dac63429d599871912b2ad1cc51cc
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SHA512
e88a76a266b941d830bbd1fbba698d4b70fec26b71962c77df2ae2457d0ea7f59c905b9413595185c5720436255e7bc0a76711be0b65435d6ed89ddd07e24bdc
Malware Config
Signatures
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A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
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StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty Payload 5 IoCs
resource yara_rule behavioral2/memory/3036-119-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral2/memory/3036-120-0x0000000000412452-mapping.dmp family_stormkitty behavioral2/memory/3488-127-0x0000000000412452-mapping.dmp family_stormkitty behavioral2/memory/3488-129-0x0000000000D00000-0x0000000000E4A000-memory.dmp family_stormkitty behavioral2/memory/1152-136-0x0000000000412452-mapping.dmp family_stormkitty -
A310logger Executable 11 IoCs
resource yara_rule behavioral2/memory/3036-119-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral2/memory/3036-120-0x0000000000412452-mapping.dmp a310logger behavioral2/files/0x000200000001a4f4-123.dat a310logger behavioral2/files/0x000200000001a4f4-124.dat a310logger behavioral2/memory/3488-127-0x0000000000412452-mapping.dmp a310logger behavioral2/memory/3488-129-0x0000000000D00000-0x0000000000E4A000-memory.dmp a310logger behavioral2/files/0x000200000001ab34-131.dat a310logger behavioral2/files/0x000200000001ab34-132.dat a310logger behavioral2/memory/1152-136-0x0000000000412452-mapping.dmp a310logger behavioral2/files/0x000300000001ab34-139.dat a310logger behavioral2/files/0x000300000001ab34-140.dat a310logger -
Executes dropped EXE 3 IoCs
pid Process 1116 MZ.exe 2220 MZ.exe 1948 MZ.exe -
Loads dropped DLL 1 IoCs
pid Process 4016 0900900000000TTU.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 11 icanhazip.com -
Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
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Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 4016 set thread context of 2656 4016 0900900000000TTU.exe 75 PID 2656 set thread context of 3036 2656 0900900000000TTU.exe 76 PID 2656 set thread context of 3488 2656 0900900000000TTU.exe 81 PID 2656 set thread context of 1152 2656 0900900000000TTU.exe 83 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 6 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\Identifier InstallUtil.exe Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 InstallUtil.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier InstallUtil.exe Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 InstallUtil.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier InstallUtil.exe Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1116 MZ.exe 1116 MZ.exe 2220 MZ.exe 2220 MZ.exe 1948 MZ.exe 1948 MZ.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2656 0900900000000TTU.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4016 0900900000000TTU.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 3036 InstallUtil.exe Token: SeDebugPrivilege 1116 MZ.exe Token: SeDebugPrivilege 3488 InstallUtil.exe Token: SeDebugPrivilege 2220 MZ.exe Token: SeDebugPrivilege 1152 InstallUtil.exe Token: SeDebugPrivilege 1948 MZ.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2656 0900900000000TTU.exe 2656 0900900000000TTU.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 4016 wrote to memory of 2656 4016 0900900000000TTU.exe 75 PID 4016 wrote to memory of 2656 4016 0900900000000TTU.exe 75 PID 4016 wrote to memory of 2656 4016 0900900000000TTU.exe 75 PID 4016 wrote to memory of 2656 4016 0900900000000TTU.exe 75 PID 2656 wrote to memory of 3036 2656 0900900000000TTU.exe 76 PID 2656 wrote to memory of 3036 2656 0900900000000TTU.exe 76 PID 2656 wrote to memory of 3036 2656 0900900000000TTU.exe 76 PID 2656 wrote to memory of 3036 2656 0900900000000TTU.exe 76 PID 2656 wrote to memory of 3036 2656 0900900000000TTU.exe 76 PID 2656 wrote to memory of 3036 2656 0900900000000TTU.exe 76 PID 2656 wrote to memory of 3036 2656 0900900000000TTU.exe 76 PID 2656 wrote to memory of 3036 2656 0900900000000TTU.exe 76 PID 3036 wrote to memory of 1116 3036 InstallUtil.exe 77 PID 3036 wrote to memory of 1116 3036 InstallUtil.exe 77 PID 2656 wrote to memory of 3488 2656 0900900000000TTU.exe 81 PID 2656 wrote to memory of 3488 2656 0900900000000TTU.exe 81 PID 2656 wrote to memory of 3488 2656 0900900000000TTU.exe 81 PID 2656 wrote to memory of 3488 2656 0900900000000TTU.exe 81 PID 2656 wrote to memory of 3488 2656 0900900000000TTU.exe 81 PID 2656 wrote to memory of 3488 2656 0900900000000TTU.exe 81 PID 2656 wrote to memory of 3488 2656 0900900000000TTU.exe 81 PID 2656 wrote to memory of 3488 2656 0900900000000TTU.exe 81 PID 3488 wrote to memory of 2220 3488 InstallUtil.exe 82 PID 3488 wrote to memory of 2220 3488 InstallUtil.exe 82 PID 2656 wrote to memory of 1152 2656 0900900000000TTU.exe 83 PID 2656 wrote to memory of 1152 2656 0900900000000TTU.exe 83 PID 2656 wrote to memory of 1152 2656 0900900000000TTU.exe 83 PID 2656 wrote to memory of 1152 2656 0900900000000TTU.exe 83 PID 2656 wrote to memory of 1152 2656 0900900000000TTU.exe 83 PID 2656 wrote to memory of 1152 2656 0900900000000TTU.exe 83 PID 2656 wrote to memory of 1152 2656 0900900000000TTU.exe 83 PID 2656 wrote to memory of 1152 2656 0900900000000TTU.exe 83 PID 1152 wrote to memory of 1948 1152 InstallUtil.exe 84 PID 1152 wrote to memory of 1948 1152 InstallUtil.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\0900900000000TTU.exe"C:\Users\Admin\AppData\Local\Temp\0900900000000TTU.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4016 -
C:\Users\Admin\AppData\Local\Temp\0900900000000TTU.exe"C:\Users\Admin\AppData\Local\Temp\0900900000000TTU.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2656 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1116
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3488 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2220
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1948
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