dridex | f78e04135dfd261cb2e408f1db522d7fb2c67e09142cfae41a1ff98a3c58fd0f

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 20:41

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General

Target

JaffaCakes118_f78e04135dfd261cb2e408f1db522d7fb2c67e09142cfae41a1ff98a3c58fd0f.dll
Size

184KB
MD5

9083a878e2d8120d10ef529d98c5f87e
SHA1

ca3da1af81375d5744b163f66b65384fa2871e26
SHA256

f78e04135dfd261cb2e408f1db522d7fb2c67e09142cfae41a1ff98a3c58fd0f
SHA512

22ef55f5029e0b8ea37dcfc94dfc791e94d5aba71ce623551ef457c27f9d5164cd7d753d5972a9ffd1abf9f46efbe2d7c29ffdcbf3297a887b11cba8abb38e1c
SSDEEP

3072:RJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jia//2uFrSc:yfYOX+wTScR/Xzku9LVwtuG

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/2636-1-0x0000000074730000-0x000000007475F000-memory.dmp	dridex_ldr
behavioral1/memory/2636-2-0x0000000074730000-0x000000007475F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2756	2636	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 1940 wrote to memory of 2636	1940	rundll32.exe	30
PID 1940 wrote to memory of 2636	1940	rundll32.exe	30
PID 1940 wrote to memory of 2636	1940	rundll32.exe	30
PID 1940 wrote to memory of 2636	1940	rundll32.exe	30
PID 1940 wrote to memory of 2636	1940	rundll32.exe	30
PID 1940 wrote to memory of 2636	1940	rundll32.exe	30
PID 1940 wrote to memory of 2636	1940	rundll32.exe	30
PID 2636 wrote to memory of 2756	2636	rundll32.exe	31
PID 2636 wrote to memory of 2756	2636	rundll32.exe	31
PID 2636 wrote to memory of 2756	2636	rundll32.exe	31
PID 2636 wrote to memory of 2756	2636	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f78e04135dfd261cb2e408f1db522d7fb2c67e09142cfae41a1ff98a3c58fd0f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f78e04135dfd261cb2e408f1db522d7fb2c67e09142cfae41a1ff98a3c58fd0f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 220
    3⤵
    - Program crash
    PID:2756

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/2636-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2636-1-0x0000000074730000-0x000000007475F000-memory.dmp

Filesize
188KB

Download
memory/2636-2-0x0000000074730000-0x000000007475F000-memory.dmp

Filesize
188KB

Download
memory/2636-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download