dridex | 5121694a47a9891aa84f995e04c57cd26d1a985516afff621cf7e3f78136a373

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 21:34

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General

Target

JaffaCakes118_5121694a47a9891aa84f995e04c57cd26d1a985516afff621cf7e3f78136a373.dll
Size

184KB
MD5

deffd5ba52d52a8fef6e0f15a3d47e6f
SHA1

211cf005aa1d178583e98ef6e6f53f3ababbb064
SHA256

5121694a47a9891aa84f995e04c57cd26d1a985516afff621cf7e3f78136a373
SHA512

fd50bd9f3d27c3ff485a7c5dce2606b52fbf9bf7026bd07f515443b0c9fed1a7d9d7a2fa769f0d6ba713e8ee072a69e251a7c47441d0184df2b18dad752c5c84
SSDEEP

3072:AuwfhNXphcqs2tJYsoa9Xibolk0CtPBU1jhhF8ZJ8fDo4Khlmsb:u7TXYsd9SkONU1jKGlSlm

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/2184-1-0x0000000074DC0000-0x0000000074DF0000-memory.dmp	dridex_ldr
behavioral2/memory/2184-2-0x0000000074DC0000-0x0000000074DF0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3912	2184	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 2184	4876	rundll32.exe	82
PID 4876 wrote to memory of 2184	4876	rundll32.exe	82
PID 4876 wrote to memory of 2184	4876	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5121694a47a9891aa84f995e04c57cd26d1a985516afff621cf7e3f78136a373.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5121694a47a9891aa84f995e04c57cd26d1a985516afff621cf7e3f78136a373.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2184
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 620
    3⤵
    - Program crash
    PID:3912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2184 -ip 2184
1⤵
PID:4920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2184-0-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/2184-1-0x0000000074DC0000-0x0000000074DF0000-memory.dmp

Filesize
192KB

Download
memory/2184-2-0x0000000074DC0000-0x0000000074DF0000-memory.dmp

Filesize
192KB

Download
memory/2184-3-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download