dridex | 577f04df45d0e29c54c2ed22493da51147f7b07654b1551116e524dc576f4369

Analysis

max time kernel
39s
max time network
45s
platform
windows7_x64
resource
win7-20220414-en
submitted
26-06-2022 05:31

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General

Target

epix12dx.dll
Size

476KB
MD5

a3a64611273a16751d073c147b783c06
SHA1

0757337ab4720ba52b02fca61fa5b294d6deba35
SHA256

577f04df45d0e29c54c2ed22493da51147f7b07654b1551116e524dc576f4369
SHA512

59f7263454511ee475742a6fa5046e1f7ba6fff82963817bfae8876cfef3f02dfe26463dfdeafcaf480d82bdfc3f5ead7cac9cf39b1dbc37932e93ee3e1f218a

Score

10^/10

dridex 10444 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

10444

23.246.204.126:443

151.106.39.36:8116

103.124.144.123:6891

172.105.78.60:4664

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/1556-57-0x0000000074BE0000-0x0000000074C59000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1312 1556 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1312	1556	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1592 wrote to memory of 1556	1592	rundll32.exe	rundll32.exe
PID 1592 wrote to memory of 1556	1592	rundll32.exe	rundll32.exe
PID 1592 wrote to memory of 1556	1592	rundll32.exe	rundll32.exe
PID 1592 wrote to memory of 1556	1592	rundll32.exe	rundll32.exe
PID 1592 wrote to memory of 1556	1592	rundll32.exe	rundll32.exe
PID 1592 wrote to memory of 1556	1592	rundll32.exe	rundll32.exe
PID 1592 wrote to memory of 1556	1592	rundll32.exe	rundll32.exe
PID 1556 wrote to memory of 1312	1556	rundll32.exe	WerFault.exe
PID 1556 wrote to memory of 1312	1556	rundll32.exe	WerFault.exe
PID 1556 wrote to memory of 1312	1556	rundll32.exe	WerFault.exe
PID 1556 wrote to memory of 1312	1556	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\epix12dx.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1592

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\epix12dx.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 344
3⤵
- Program crash
PID:1312

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1312-59-0x0000000000000000-mapping.dmp

Download
memory/1556-54-0x0000000000000000-mapping.dmp

Download
memory/1556-55-0x0000000075581000-0x0000000075583000-memory.dmp

Filesize
8KB

Download
memory/1556-56-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1556-57-0x0000000074BE0000-0x0000000074C59000-memory.dmp

Filesize
484KB

Download
memory/1556-60-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download