Analysis
-
max time kernel
149s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
-
submitted
24-02-2023 20:55
General
-
Target
4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
-
Size
76KB
-
MD5
428222d6663806be3d23d7a8ee6fe8ee
-
SHA1
a76991906614dc0c327012a27502e0bd9fd56fc3
-
SHA256
4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf
-
SHA512
45d9ec0fdb7274107d15f01b263eff9550cd68da6af383455a5910e658781223014b2646df5894d17175f61fdfe8acac389b445f0f48609fbbe2a9be13863395
-
SSDEEP
1536:+DQUJYmsvQHy/qisuJKYW9m/Fg/Xeh32IdzZAfro9g0JHkWo2N6:BoYb4SZKYUYFk63hzZKUC1WoK
Malware Config
Signatures
-
Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
-
Detect Blackmoon payload 7 IoCs
-
Gh0st RAT payload 3 IoCs
-
Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
-
Loads dropped DLL 1 IoCs
-
UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
-
Adds Run key to start application 2 TTPs 2 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Program crash 1 IoCs
-
Modifies registry class 1 IoCs
-
Opens file in notepad (likely ransom note) 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 16 IoCs
-
Suspicious behavior: RenamesItself 1 IoCs
-
Suspicious use of SetWindowsHookEx 5 IoCs
-
Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe"C:\Users\Admin\AppData\Local\Temp\4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.txt2⤵
- Opens file in notepad (likely ransom note)
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 20442⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4680 -ip 46801⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
120KB
MD53aea5b78bac5359a799c2714fecccd1a
SHA15d3203b328ecfc7a55c0ded1032d209e9f273367
SHA256c05e763cab67cf9daf5be7a6a6cff2650223987a9693eaa119f69b2bbb6df6c3
SHA5129513cc84a7ed3dd709d4affb03f6e286dcd43e82f33441c00a9d74d2b45449f2ee20baa8db46218d7a59d9e62fb7f95050ea305166e70f3e71dde39ccf07b6d3
-
Filesize
214B
MD5cf261bbf594850aaa9efe9dac91690a9
SHA17a162125d7721e59a5b24c92c8edf80ae41d2969
SHA25672cf6555e8c96b8b93222a8b15ed2d08b011bcfa8554ed8254cc3d08e545a90f
SHA51278ce98b1f6a262b70b14713d3343249aedc6aa824fe691ac842a66dbe5827fe601c80476aaedb98b8a25f9f429aafd4940f6ca388b71e872c097aad2b9b5afe2
-
Filesize
2KB
MD57943effe67a4647e06def2348949020e
SHA1eabd561f0639a975de259633f63896d82c3f878d
SHA2563fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa
SHA512c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003
-
Filesize
156KB
-
Filesize
92KB
-
Filesize
12KB
-
Filesize
412KB
-
Filesize
412KB
-
Filesize
944KB
-
Filesize
944KB
-
Filesize
268KB
-
Filesize
944KB
-
Filesize
412KB
-
Filesize
56KB
-
Filesize
156KB
-
Filesize
12KB
-
Filesize
268KB
-
Filesize
412KB
-
Filesize
412KB
-
Filesize
20KB
-
Filesize
412KB
-
Filesize
156KB