dridex | e62c31f6d94df5fda68f0ab9150a3def640af046bde19ff7894382121d21825a

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:23

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General

Target

JaffaCakes118_e62c31f6d94df5fda68f0ab9150a3def640af046bde19ff7894382121d21825a.dll
Size

184KB
MD5

55846431e56685cc0b35c32197fe77b4
SHA1

048bc8fac18ccc0e5143c14a50e331557ed2a097
SHA256

e62c31f6d94df5fda68f0ab9150a3def640af046bde19ff7894382121d21825a
SHA512

d8fa227fe9857febf447d95b04c12dc86e083ed05e89050d3d2af7f739786f39b5992e7788b756bbb36a972683c20db302dfd86ff0fe21a19419cb45628ed1cc
SSDEEP

3072:092qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTtrLA:09NSMOEpQ1Q3ODAr+Vt

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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
behavioral1/memory/2372-1-0x0000000074C60000-0x0000000074C8F000-memory.dmp	dridex_ldr
behavioral1/memory/2372-2-0x0000000074C60000-0x0000000074C8F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2360	2372	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 2372 wrote to memory of 2360	2372	rundll32.exe	32
PID 2372 wrote to memory of 2360	2372	rundll32.exe	32
PID 2372 wrote to memory of 2360	2372	rundll32.exe	32
PID 2372 wrote to memory of 2360	2372	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e62c31f6d94df5fda68f0ab9150a3def640af046bde19ff7894382121d21825a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e62c31f6d94df5fda68f0ab9150a3def640af046bde19ff7894382121d21825a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 220
    3⤵
    - Program crash
    PID:2360

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

Replay Monitor

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Downloads

memory/2372-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2372-1-0x0000000074C60000-0x0000000074C8F000-memory.dmp

Filesize
188KB

Download
memory/2372-2-0x0000000074C60000-0x0000000074C8F000-memory.dmp

Filesize
188KB

Download
memory/2372-4-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download