Analysis
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max time kernel
151s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
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submitted
22-05-2023 15:50
General
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Target
73f441ee6b8599e6015342a826f789793038682cf7f3d48a444d1ab01a534f2c.exe
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Size
852KB
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MD5
ae73d7ca07d27677da8239afb45adaa4
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SHA1
3cbe681fb0d533fbbcc52b49acd6a70632b463de
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SHA256
73f441ee6b8599e6015342a826f789793038682cf7f3d48a444d1ab01a534f2c
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SHA512
d05178779096ccbee0d851e4e735b541c8d43ad24712beb29767133b907b760540a75bf208a3a5e7c3a7f3fdf85b5c891d16a68fe40fb5678bcdd58099e20019
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SSDEEP
24576:OAdhOMtjg24rUcyu5VPVHRTDe8wjP47uk:OAdh922vu5V1Ra8wjA7u
Malware Config
Signatures
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Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
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Detect Blackmoon payload 9 IoCs
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Gh0st RAT payload 3 IoCs
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Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL 2 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Modifies registry class 1 IoCs
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Opens file in notepad (likely ransom note) 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of SetWindowsHookEx 6 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\73f441ee6b8599e6015342a826f789793038682cf7f3d48a444d1ab01a534f2c.exe"C:\Users\Admin\AppData\Local\Temp\73f441ee6b8599e6015342a826f789793038682cf7f3d48a444d1ab01a534f2c.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\73f441ee6b8599e6015342a826f789793038682cf7f3d48a444d1ab01a534f2c.txt2⤵
- Opens file in notepad (likely ransom note)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 21762⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3888 -ip 38881⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
120KB
MD53aea5b78bac5359a799c2714fecccd1a
SHA15d3203b328ecfc7a55c0ded1032d209e9f273367
SHA256c05e763cab67cf9daf5be7a6a6cff2650223987a9693eaa119f69b2bbb6df6c3
SHA5129513cc84a7ed3dd709d4affb03f6e286dcd43e82f33441c00a9d74d2b45449f2ee20baa8db46218d7a59d9e62fb7f95050ea305166e70f3e71dde39ccf07b6d3
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Filesize
2KB
MD57943effe67a4647e06def2348949020e
SHA1eabd561f0639a975de259633f63896d82c3f878d
SHA2563fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa
SHA512c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003
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Filesize
2KB
MD57943effe67a4647e06def2348949020e
SHA1eabd561f0639a975de259633f63896d82c3f878d
SHA2563fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa
SHA512c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003
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Filesize
248B
MD54aab3846e935452bf7cc1cb6fd2ca502
SHA1606dd0ccc6fa7609676c4be75cb9594e61cecebe
SHA256c9ee7256ede74e9c5648c6308a2df650dbd950ead0eb549333052bc27c057aca
SHA51208848e4b4501da583c412357c97f58a870f5824b669b2e1ae5248a51f33d4306ac091f54b92c52e756aeb5e7eabd8d91065bcb349abaad1d8722ed9c18d268f5
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Filesize
2KB
MD57943effe67a4647e06def2348949020e
SHA1eabd561f0639a975de259633f63896d82c3f878d
SHA2563fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa
SHA512c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003
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Filesize
236KB
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Filesize
56KB
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Filesize
472KB
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Filesize
472KB
-
Filesize
236KB
-
Filesize
472KB
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Filesize
968KB
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Filesize
12KB
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Filesize
236KB
-
Filesize
236KB
-
Filesize
156KB
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Filesize
968KB
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Filesize
92KB
-
Filesize
56KB
-
Filesize
156KB
-
Filesize
472KB
-
Filesize
472KB
-
Filesize
12KB
-
Filesize
156KB
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Filesize
968KB