dridex | 8b0fd3be35535abe39124851d28edecdb620b103b987e055badb4160fca8299b

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:06

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General

Target

JaffaCakes118_8b0fd3be35535abe39124851d28edecdb620b103b987e055badb4160fca8299b.dll
Size

184KB
MD5

b6ac5e7d0baf86ad2a4860e9b009857f
SHA1

e6cfeeb41097b6cc36d04076ff9decc5bdf99e55
SHA256

8b0fd3be35535abe39124851d28edecdb620b103b987e055badb4160fca8299b
SHA512

cc50a8c5c23adf94554b2ba2dc5ebf2fadee3376e26d6dfd5cffe8aec26e0715c5dd5eb0865a0ecfcca839c22428423bdb3761e6cc971d6d384e578efc4bddb7
SSDEEP

3072:OJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J7a//2uFrSc:3fYOX+wTScR/Xzku9LVwEuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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/2072-0-0x00000000749D0000-0x00000000749FF000-memory.dmp	dridex_ldr
behavioral1/memory/2072-3-0x00000000749D0000-0x00000000749FF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2124	2072	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 2384 wrote to memory of 2072	2384	rundll32.exe	30
PID 2384 wrote to memory of 2072	2384	rundll32.exe	30
PID 2384 wrote to memory of 2072	2384	rundll32.exe	30
PID 2384 wrote to memory of 2072	2384	rundll32.exe	30
PID 2384 wrote to memory of 2072	2384	rundll32.exe	30
PID 2384 wrote to memory of 2072	2384	rundll32.exe	30
PID 2384 wrote to memory of 2072	2384	rundll32.exe	30
PID 2072 wrote to memory of 2124	2072	rundll32.exe	32
PID 2072 wrote to memory of 2124	2072	rundll32.exe	32
PID 2072 wrote to memory of 2124	2072	rundll32.exe	32
PID 2072 wrote to memory of 2124	2072	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8b0fd3be35535abe39124851d28edecdb620b103b987e055badb4160fca8299b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8b0fd3be35535abe39124851d28edecdb620b103b987e055badb4160fca8299b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2072
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 220
    3⤵
    - Program crash
    PID:2124

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/2072-0-0x00000000749D0000-0x00000000749FF000-memory.dmp

Filesize
188KB

Download
memory/2072-2-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2072-3-0x00000000749D0000-0x00000000749FF000-memory.dmp

Filesize
188KB

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