Analysis
-
max time kernel
185s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04-12-2022 02:30
Static task
static1
Behavioral task
behavioral1
Sample
19531291bea3045b5ac2c601ac963abc931fba82f32d2c286ab41986d4c2a316.dll
Resource
win7-20220812-en
General
-
Target
19531291bea3045b5ac2c601ac963abc931fba82f32d2c286ab41986d4c2a316.dll
-
Size
232KB
-
MD5
d5acca72ed4f11c6fe6927adf5c36490
-
SHA1
10fe93cddce772367514521abad584c54f6a89ac
-
SHA256
19531291bea3045b5ac2c601ac963abc931fba82f32d2c286ab41986d4c2a316
-
SHA512
b3c50657815e5574f5c5158a185e80b60ef8ada03aa1e50847c29a1ba6449eff4d4a44935668b9e3180a56d6ffb3f4b80b4eb33aa0b2bfb8fd8e9e72ed72e16b
-
SSDEEP
6144:/yG3zvrzG/UFFvL17I8LcbjZALOlwfPzLM6an8isBOM8BKb:T3sUFFvL17I8LcbjUMH8isBOrAb
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 3472 rundll32mgr.exe -
resource yara_rule behavioral2/memory/3472-138-0x0000000000400000-0x000000000042A000-memory.dmp upx -
Loads dropped DLL 1 IoCs
pid Process 3472 rundll32mgr.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2200 3472 WerFault.exe 80 -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3784 wrote to memory of 4956 3784 rundll32.exe 79 PID 3784 wrote to memory of 4956 3784 rundll32.exe 79 PID 3784 wrote to memory of 4956 3784 rundll32.exe 79 PID 4956 wrote to memory of 3472 4956 rundll32.exe 80 PID 4956 wrote to memory of 3472 4956 rundll32.exe 80 PID 4956 wrote to memory of 3472 4956 rundll32.exe 80
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\19531291bea3045b5ac2c601ac963abc931fba82f32d2c286ab41986d4c2a316.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3784 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\19531291bea3045b5ac2c601ac963abc931fba82f32d2c286ab41986d4c2a316.dll,#12⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3472 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 101764⤵
- Program crash
PID:2200
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3472 -ip 34721⤵PID:1264
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
-
Filesize
94KB
MD5f8434f362add5334f4f050f4b4b373a7
SHA1f5915cb0d72c8faffe11126bc29da1b1db8092bc
SHA256d34b378ede04c585c2bff8cf32112904e8512ee80c5a9fbb34ba224d8dbc868b
SHA5126c6b4ea2b0e37a346145ee2814789d9da4c2688aff1c3e1cced16a620e8dc81566670336a3fe8a510b1754bbac6c3c6ac20aa7e20359b9c322bb220b50ac30b9
-
Filesize
94KB
MD5f8434f362add5334f4f050f4b4b373a7
SHA1f5915cb0d72c8faffe11126bc29da1b1db8092bc
SHA256d34b378ede04c585c2bff8cf32112904e8512ee80c5a9fbb34ba224d8dbc868b
SHA5126c6b4ea2b0e37a346145ee2814789d9da4c2688aff1c3e1cced16a620e8dc81566670336a3fe8a510b1754bbac6c3c6ac20aa7e20359b9c322bb220b50ac30b9