dridex | 377b0a244b13d79f60999770ac4b07b39e96c0865af65fd15ce9bafca51cc410

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
21-04-2024 05:02

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General

Target

fe7df335e3c5548818a23e3442db5188_JaffaCakes118.dll
Size

188KB
MD5

fe7df335e3c5548818a23e3442db5188
SHA1

13c31c7bc4eda351230f5b6f767f490943313b04
SHA256

377b0a244b13d79f60999770ac4b07b39e96c0865af65fd15ce9bafca51cc410
SHA512

8610ecaa627885132e68f602c1c925713365f60779c3bcaeb503d9ea7bb6dd3e9032b97551876656b2d46507d7906e7fde73e0551a55ded93328b8afab6b15b4
SSDEEP

3072:tH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViWt7dU:tUua/Pv7YNhRIEZDeXVpAxtMsxK

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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/3012-0-0x0000000074A90000-0x0000000074AC0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3052 3012 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3052	3012	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3032 wrote to memory of 3012	3032	rundll32.exe	rundll32.exe
PID 3032 wrote to memory of 3012	3032	rundll32.exe	rundll32.exe
PID 3032 wrote to memory of 3012	3032	rundll32.exe	rundll32.exe
PID 3032 wrote to memory of 3012	3032	rundll32.exe	rundll32.exe
PID 3032 wrote to memory of 3012	3032	rundll32.exe	rundll32.exe
PID 3032 wrote to memory of 3012	3032	rundll32.exe	rundll32.exe
PID 3032 wrote to memory of 3012	3032	rundll32.exe	rundll32.exe
PID 3012 wrote to memory of 3052	3012	rundll32.exe	WerFault.exe
PID 3012 wrote to memory of 3052	3012	rundll32.exe	WerFault.exe
PID 3012 wrote to memory of 3052	3012	rundll32.exe	WerFault.exe
PID 3012 wrote to memory of 3052	3012	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe7df335e3c5548818a23e3442db5188_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3032

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe7df335e3c5548818a23e3442db5188_JaffaCakes118.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:3012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 300
3⤵
- Program crash
PID:3052

MITRE ATT&CK Matrix

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Downloads

memory/3012-0-0x0000000074A90000-0x0000000074AC0000-memory.dmp

Filesize
192KB

Download
memory/3012-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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