fa5353fca069a840754c50911b2205b9d192aacd0cda7fbfe8b4f24c1e1a76ae

General

Target
virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
Size 210KB
Sample240303-mapfesha5t
SHA256 fa5353fca069a840754c50911b2205b9d192aacd0cda7fbfe8b4f24c1e1a76ae
MD5 a3deb5155fffb84517a6d01326b78a32
SHA1 20f026fb249ec63ce7b4c40656f39382b98ae224
SHA512 5d8a4ad54ee3f0c66395acd38168525b3acb3ffd59c6d6a802388460001d7ed2f96c53389845dadc46164108ed21cb9912f00ac2163f99834cd4630d43ada8ff
SSDEEP 3072:M1abGWGT2TK1dbzlF9OVtSZjCw8geIr/QAuCgNVfpxICuQsKUIZn:9bpGtfoVtScw2RCgrzItQB
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2388-0-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral2/memory/2388-15-0x0000000000400000-0x000000000046E000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\RPX.EXE = "C:\\$Recycle.Bin\\RPX.EXE"	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe

Enumerates connected drives 3 TTPs 17 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\K:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
File opened (read-only)	\??\T:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
File opened (read-only)	\??\V:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
File opened (read-only)	\??\H:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
File opened (read-only)	\??\J:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
File opened (read-only)	\??\R:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
File opened (read-only)	\??\O:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
File opened (read-only)	\??\P:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
File opened (read-only)	\??\L:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
File opened (read-only)	\??\M:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
File opened (read-only)	\??\N:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
File opened (read-only)	\??\E:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
File opened (read-only)	\??\I:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
File opened (read-only)	\??\S:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
File opened (read-only)	\??\U:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
File opened (read-only)	\??\G:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
File opened (read-only)	\??\Q:	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe

Modifies registry class 16 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile\shell\open\command	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile\shell	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile\shell\open\command\ = "C:\\$Recycle.Bin\\RPX.EXE \"%1\" %*"	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\System Volume Information\\FMWOJB.EXE %1"	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQ.file	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQ.file\shell	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\inffile\shell\open\command\ = "C:\\$Recycle.Bin\\RPX.EXE %1"	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile\shell\open\command\ = "C:\\$Recycle.Bin\\RPX.EXE \"%1\""	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQ.file\shell\open\command	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQ.file\shell\open\command\ = "C:\\System Volume Information\\FMWOJB.EXE %1"	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile\shell\open	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile\shell\open\command\ = "C:\\System Volume Information\\FMWOJB.EXE \"%1\""	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQ.file\shell\open	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inffile\shell\open\command	virussign.com_a3deb5155fffb84517a6d01326b78a32.exe

C:\Users\Admin\AppData\Local\Temp\virussign.com_a3deb5155fffb84517a6d01326b78a32.exe
"C:\Users\Admin\AppData\Local\Temp\virussign.com_a3deb5155fffb84517a6d01326b78a32.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Modifies registry class
PID:2388