Analysis
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max time kernel
131s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
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submitted
09-05-2023 07:21
General
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Target
d3da6b93e7598fb522fe8858e15e445ba1ca13d05aacd22156d8ad3d745dd2d8.exe
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Size
398KB
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MD5
8ff87a847f8ab762522075d18d67aecb
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SHA1
0bf00a44ff52486e270aa5776aa1b91ccf7855c5
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SHA256
d3da6b93e7598fb522fe8858e15e445ba1ca13d05aacd22156d8ad3d745dd2d8
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SHA512
edc93c8975905cc77723c4f73bd607a9e6632baa05e4b362235f608873f2aa89d9762fc127808e4bad3c7053b9676c108dd4c8e7a731a122fc058bdafea1520d
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SSDEEP
6144:eNAfdtIIp3THTZRqokUu7g8tfxFADRc+Sn5whgDL9jKxb6jBGbXO42W6jGC4ZKYU:zdtIIlqozl8t8llbh4j9GcPjtxuva
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 1 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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Loads dropped DLL 2 IoCs
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UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Opens file in notepad (likely ransom note) 1 IoCs
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Suspicious behavior: EnumeratesProcesses 41 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of SetWindowsHookEx 6 IoCs
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Suspicious use of UnmapMainImage 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\d3da6b93e7598fb522fe8858e15e445ba1ca13d05aacd22156d8ad3d745dd2d8.exe"C:\Users\Admin\AppData\Local\Temp\d3da6b93e7598fb522fe8858e15e445ba1ca13d05aacd22156d8ad3d745dd2d8.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\d3da6b93e7598fb522fe8858e15e445ba1ca13d05aacd22156d8ad3d745dd2d8.txt2⤵
- Opens file in notepad (likely ransom note)
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
120KB
MD53aea5b78bac5359a799c2714fecccd1a
SHA15d3203b328ecfc7a55c0ded1032d209e9f273367
SHA256c05e763cab67cf9daf5be7a6a6cff2650223987a9693eaa119f69b2bbb6df6c3
SHA5129513cc84a7ed3dd709d4affb03f6e286dcd43e82f33441c00a9d74d2b45449f2ee20baa8db46218d7a59d9e62fb7f95050ea305166e70f3e71dde39ccf07b6d3
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Filesize
248B
MD5c859a298c286f01c3b225863f6e4ea12
SHA138fd50e2a00b325316e40e5c606b7e98d2f13d37
SHA256f11712874845a7454c621fa338611a5833a5bfa6a63835019fc463acd12df42b
SHA5122bcbfac762fc2616fc1da32f18b83ac1612e80949128dc39a9d16f09e630ee093f05a72ac8955f7a0d86161a894aec0efe019db34736342eaddd1a24e4e56524
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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
12KB
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Filesize
968KB
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Filesize
236KB
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Filesize
408KB
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Filesize
408KB
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Filesize
408KB
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Filesize
1016KB
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Filesize
236KB
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Filesize
236KB
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Filesize
12KB
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Filesize
968KB
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Filesize
968KB
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Filesize
156KB
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Filesize
92KB
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Filesize
156KB
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Filesize
408KB
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Filesize
408KB
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Filesize
1016KB
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Filesize
236KB