dridex | 3c4be1285b8069c2db590c1de6a77adef3198cc9c3f323aef5de73753421c2e8

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02-04-2024 18:46

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General

Target

94395a29f0cf16cc80c2a1a4aee0d8d4_JaffaCakes118.dll
Size

244KB
MD5

94395a29f0cf16cc80c2a1a4aee0d8d4
SHA1

c40574963b019d49fae4cffcefd970edf3957826
SHA256

3c4be1285b8069c2db590c1de6a77adef3198cc9c3f323aef5de73753421c2e8
SHA512

ca4fbefdfd4437f01d11545a28a3d21873f417a237a2e4a7e5c10abc2d59abbe5ffcdb146144e1c7dcfb304b9d747b119c8b1f0e72ac312c0a029cf12985d9f8
SSDEEP

3072:2EmMHLYjs2g+ciAlYDyOWIsh0pMf+66C4FxTdCU1byGkGcyXDTEXlDkr/:9rHL+tg+cGyZzheB6b4fJCwb8d0E

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

195.154.146.84:443

45.56.121.87:8116

157.245.222.44:5723

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/2104-5-0x0000000074840000-0x000000007487E000-memory.dmp	dridex_ldr
behavioral1/memory/2104-7-0x0000000074840000-0x000000007487E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3036 2104 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3036	2104	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2128 wrote to memory of 2104	2128	rundll32.exe	rundll32.exe
PID 2128 wrote to memory of 2104	2128	rundll32.exe	rundll32.exe
PID 2128 wrote to memory of 2104	2128	rundll32.exe	rundll32.exe
PID 2128 wrote to memory of 2104	2128	rundll32.exe	rundll32.exe
PID 2128 wrote to memory of 2104	2128	rundll32.exe	rundll32.exe
PID 2128 wrote to memory of 2104	2128	rundll32.exe	rundll32.exe
PID 2128 wrote to memory of 2104	2128	rundll32.exe	rundll32.exe
PID 2104 wrote to memory of 3036	2104	rundll32.exe	WerFault.exe
PID 2104 wrote to memory of 3036	2104	rundll32.exe	WerFault.exe
PID 2104 wrote to memory of 3036	2104	rundll32.exe	WerFault.exe
PID 2104 wrote to memory of 3036	2104	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\94395a29f0cf16cc80c2a1a4aee0d8d4_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2128

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\94395a29f0cf16cc80c2a1a4aee0d8d4_JaffaCakes118.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 244
3⤵
- Program crash
PID:3036

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2104-0-0x0000000074840000-0x000000007487E000-memory.dmp

Filesize
248KB

Download
memory/2104-3-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2104-4-0x0000000074840000-0x000000007487E000-memory.dmp

Filesize
248KB

Download
memory/2104-5-0x0000000074840000-0x000000007487E000-memory.dmp

Filesize
248KB

Download
memory/2104-6-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2104-7-0x0000000074840000-0x000000007487E000-memory.dmp

Filesize
248KB

Download