dridex | 8a9bcb64e46267636419e039a75a27a3a025d36a1b7cc4abfcd8a035b12b99a6

Analysis

max time kernel
120s
max time network
122s
platform
windows10_x64
resource
win10-en-20211208
submitted
24-12-2021 02:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8a9bcb64e46267636419e039a75a27a3a025d36a1b7cc4abfcd8a035b12b99a6.dll
Size

552KB
MD5

1a72e330d0ebca06e1986d9b611d5312
SHA1

f031fd1bb33d390fb347355845b82102ea81a41e
SHA256

8a9bcb64e46267636419e039a75a27a3a025d36a1b7cc4abfcd8a035b12b99a6
SHA512

a7d8d841cb1365766e871e94afcafef8d9b91b08d4617844b63e201e6ce0533494669ed2c2f5c4c4442f57cd54e618398c7540eea62d2b5576ae7f78b45a191a

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.91.122.102:443

85.10.248.28:593

185.4.135.27:5228

80.211.3.13:8116

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/3828-116-0x0000000073640000-0x00000000736CC000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

744 3828 WerFault.exe rundll32.exe

pid	pid_target	process	target process
744	3828	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe
744	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 744 WerFault.exe
Token: SeBackupPrivilege 744 WerFault.exe
Token: SeDebugPrivilege 744 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	744	WerFault.exe
Token: SeBackupPrivilege	744	WerFault.exe
Token: SeDebugPrivilege	744	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3656 wrote to memory of 3828	3656	rundll32.exe	rundll32.exe
PID 3656 wrote to memory of 3828	3656	rundll32.exe	rundll32.exe
PID 3656 wrote to memory of 3828	3656	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a9bcb64e46267636419e039a75a27a3a025d36a1b7cc4abfcd8a035b12b99a6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3656

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8a9bcb64e46267636419e039a75a27a3a025d36a1b7cc4abfcd8a035b12b99a6.dll,#1
2⤵
PID:3828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 632
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:744

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3828-115-0x0000000000000000-mapping.dmp

Download
memory/3828-116-0x0000000073640000-0x00000000736CC000-memory.dmp

Filesize
560KB

Download
memory/3828-118-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download