dridex | ec73d372af8ccce21d0fafea0a5a4f6fbeb21e52e4b1e57512b6ba029dfbb60d

Analysis

max time kernel
117s
max time network
124s
platform
windows10_x64
resource
win10-en-20211208
submitted
24-12-2021 10:43

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General

Target

ec73d372af8ccce21d0fafea0a5a4f6fbeb21e52e4b1e57512b6ba029dfbb60d.dll
Size

552KB
MD5

799f5c43180c0bdd8425e7c38887fb69
SHA1

42f1a07e0373a1ca7855d2b89f916454da4ed549
SHA256

ec73d372af8ccce21d0fafea0a5a4f6fbeb21e52e4b1e57512b6ba029dfbb60d
SHA512

20f4ed781262c9b39be56e16db4581638215e51045643767918e04ff928551dbebcea6b9640c5b3e0eb26adf14dc8c827258f9745e985d7891cb851816d63f44

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/3608-116-0x0000000073BD0000-0x0000000073C5C000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2264 3608 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2264	3608	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
2264	WerFault.exe
2264	WerFault.exe
2264	WerFault.exe
2264	WerFault.exe
2264	WerFault.exe
2264	WerFault.exe
2264	WerFault.exe
2264	WerFault.exe
2264	WerFault.exe
2264	WerFault.exe
2264	WerFault.exe
2264	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2264 WerFault.exe
Token: SeBackupPrivilege 2264 WerFault.exe
Token: SeDebugPrivilege 2264 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2264	WerFault.exe
Token: SeBackupPrivilege	2264	WerFault.exe
Token: SeDebugPrivilege	2264	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2448 wrote to memory of 3608	2448	rundll32.exe	rundll32.exe
PID 2448 wrote to memory of 3608	2448	rundll32.exe	rundll32.exe
PID 2448 wrote to memory of 3608	2448	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ec73d372af8ccce21d0fafea0a5a4f6fbeb21e52e4b1e57512b6ba029dfbb60d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2448

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ec73d372af8ccce21d0fafea0a5a4f6fbeb21e52e4b1e57512b6ba029dfbb60d.dll,#1
2⤵
PID:3608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3608 -s 628
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2264

Network

MITRE ATT&CK Matrix

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Downloads

memory/3608-115-0x0000000000000000-mapping.dmp

Download
memory/3608-116-0x0000000073BD0000-0x0000000073C5C000-memory.dmp

Filesize
560KB

Download
memory/3608-118-0x0000000003040000-0x0000000003046000-memory.dmp

Filesize
24KB

Download