Analysis
-
max time kernel
142s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
10/10/2023, 20:02
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4455b5f145f192967329c5cb707ce6b2e169eb4d01ef3bc38bdabaacd770583b.exe
Resource
win7-20230831-en
5 signatures
150 seconds
General
-
Target
4455b5f145f192967329c5cb707ce6b2e169eb4d01ef3bc38bdabaacd770583b.exe
-
Size
276KB
-
MD5
b17c4e77793093b7ca7d785334a94779
-
SHA1
4cb41ddee793e801155646c372f96f9998105868
-
SHA256
4455b5f145f192967329c5cb707ce6b2e169eb4d01ef3bc38bdabaacd770583b
-
SHA512
8bb30b714d7f457bbb808c854932bbd6c6fba0d6ebdd9b67d3a5849ee28e8d713abd68cbdf4164444b873e84e1b55ff37918ff70a84eb4fbcc577bc3e3a839db
-
SSDEEP
3072:WhNUokoyi7Re9jWW4Vu6106vOiIPMoCO7J4cl96UkTGwJRX38sMbBP9pWkeyKfzj:WhWVKajWpVP06iicl96UkzKVPWkeBrj
Malware Config
Extracted
Family
mystic
C2
http://5.42.92.211/loghub/master
Signatures
-
Detect Mystic stealer payload 5 IoCs
resource yara_rule behavioral2/memory/3636-0-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/3636-1-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/3636-2-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/3636-3-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic behavioral2/memory/3636-4-0x0000000000400000-0x0000000000428000-memory.dmp family_mystic -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1656 set thread context of 3636 1656 4455b5f145f192967329c5cb707ce6b2e169eb4d01ef3bc38bdabaacd770583b.exe 87 -
Program crash 1 IoCs
pid pid_target Process procid_target 632 1656 WerFault.exe 84 -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1656 wrote to memory of 3636 1656 4455b5f145f192967329c5cb707ce6b2e169eb4d01ef3bc38bdabaacd770583b.exe 87 PID 1656 wrote to memory of 3636 1656 4455b5f145f192967329c5cb707ce6b2e169eb4d01ef3bc38bdabaacd770583b.exe 87 PID 1656 wrote to memory of 3636 1656 4455b5f145f192967329c5cb707ce6b2e169eb4d01ef3bc38bdabaacd770583b.exe 87 PID 1656 wrote to memory of 3636 1656 4455b5f145f192967329c5cb707ce6b2e169eb4d01ef3bc38bdabaacd770583b.exe 87 PID 1656 wrote to memory of 3636 1656 4455b5f145f192967329c5cb707ce6b2e169eb4d01ef3bc38bdabaacd770583b.exe 87 PID 1656 wrote to memory of 3636 1656 4455b5f145f192967329c5cb707ce6b2e169eb4d01ef3bc38bdabaacd770583b.exe 87 PID 1656 wrote to memory of 3636 1656 4455b5f145f192967329c5cb707ce6b2e169eb4d01ef3bc38bdabaacd770583b.exe 87 PID 1656 wrote to memory of 3636 1656 4455b5f145f192967329c5cb707ce6b2e169eb4d01ef3bc38bdabaacd770583b.exe 87 PID 1656 wrote to memory of 3636 1656 4455b5f145f192967329c5cb707ce6b2e169eb4d01ef3bc38bdabaacd770583b.exe 87 PID 1656 wrote to memory of 3636 1656 4455b5f145f192967329c5cb707ce6b2e169eb4d01ef3bc38bdabaacd770583b.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\4455b5f145f192967329c5cb707ce6b2e169eb4d01ef3bc38bdabaacd770583b.exe"C:\Users\Admin\AppData\Local\Temp\4455b5f145f192967329c5cb707ce6b2e169eb4d01ef3bc38bdabaacd770583b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵PID:3636
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1656 -s 1522⤵
- Program crash
PID:632
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1656 -ip 16561⤵PID:1304