dridex | 8e20a773a3db4dcda680796be06045e2d72242f4b10fab982a5577a10253fb76

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
21-04-2024 05:36

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General

Target

fe8ebfdee1981b07ed3ed27f23ffdcc2_JaffaCakes118.dll
Size

188KB
MD5

fe8ebfdee1981b07ed3ed27f23ffdcc2
SHA1

84689a588d2cf079dbca146211f68683c62d3650
SHA256

8e20a773a3db4dcda680796be06045e2d72242f4b10fab982a5577a10253fb76
SHA512

df6df0b5e9560a1a48bfe19a0f241d0207e5229e25a02bdc98e026902ec2225a6c03c563cb38c2b0518fb1857e0e2cb519b0a55319f7c5896a86912f109f028b
SSDEEP

3072:tH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViWO7dU: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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2184-0-0x0000000075370000-0x00000000753A0000-memory.dmp	dridex_ldr
behavioral1/memory/2184-2-0x0000000075370000-0x00000000753A0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2940 2184 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2940	2184	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2868 wrote to memory of 2184	2868	rundll32.exe	rundll32.exe
PID 2868 wrote to memory of 2184	2868	rundll32.exe	rundll32.exe
PID 2868 wrote to memory of 2184	2868	rundll32.exe	rundll32.exe
PID 2868 wrote to memory of 2184	2868	rundll32.exe	rundll32.exe
PID 2868 wrote to memory of 2184	2868	rundll32.exe	rundll32.exe
PID 2868 wrote to memory of 2184	2868	rundll32.exe	rundll32.exe
PID 2868 wrote to memory of 2184	2868	rundll32.exe	rundll32.exe
PID 2184 wrote to memory of 2940	2184	rundll32.exe	WerFault.exe
PID 2184 wrote to memory of 2940	2184	rundll32.exe	WerFault.exe
PID 2184 wrote to memory of 2940	2184	rundll32.exe	WerFault.exe
PID 2184 wrote to memory of 2940	2184	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe8ebfdee1981b07ed3ed27f23ffdcc2_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2868

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe8ebfdee1981b07ed3ed27f23ffdcc2_JaffaCakes118.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 300
3⤵
- Program crash
PID:2940

MITRE ATT&CK Matrix

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Downloads

memory/2184-0-0x0000000075370000-0x00000000753A0000-memory.dmp

Filesize
192KB

Download
memory/2184-1-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2184-2-0x0000000075370000-0x00000000753A0000-memory.dmp

Filesize
192KB

Download