dridex | bf505ebf6b7bd05f4b9ba2a303f68129bc796f512ca834fa1106ca0c91b2d922

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:20

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General

Target

JaffaCakes118_bf505ebf6b7bd05f4b9ba2a303f68129bc796f512ca834fa1106ca0c91b2d922.dll
Size

184KB
MD5

5dca21a7ba546a033323c15559857518
SHA1

e80ee072234d7011e950d7afacf91b0fa0c2c8d4
SHA256

bf505ebf6b7bd05f4b9ba2a303f68129bc796f512ca834fa1106ca0c91b2d922
SHA512

c0e1cff7ad875c30ff2fadc7ed4d8b5684273caf14b28f3efed35c3574e3fdc95953ff7cf1715569aa65d8d7fb547b2021b48f09e4128551a76e8453fc64f9a7
SSDEEP

3072:692qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTwrLA:69NSMOEpQ1Q3ODAr+Vs

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/2448-1-0x0000000074A10000-0x0000000074A3F000-memory.dmp	dridex_ldr
behavioral1/memory/2448-2-0x0000000074A10000-0x0000000074A3F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2132	2448	WerFault.exe	31

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 792 wrote to memory of 2448	792	rundll32.exe	31
PID 792 wrote to memory of 2448	792	rundll32.exe	31
PID 792 wrote to memory of 2448	792	rundll32.exe	31
PID 792 wrote to memory of 2448	792	rundll32.exe	31
PID 792 wrote to memory of 2448	792	rundll32.exe	31
PID 792 wrote to memory of 2448	792	rundll32.exe	31
PID 792 wrote to memory of 2448	792	rundll32.exe	31
PID 2448 wrote to memory of 2132	2448	rundll32.exe	32
PID 2448 wrote to memory of 2132	2448	rundll32.exe	32
PID 2448 wrote to memory of 2132	2448	rundll32.exe	32
PID 2448 wrote to memory of 2132	2448	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bf505ebf6b7bd05f4b9ba2a303f68129bc796f512ca834fa1106ca0c91b2d922.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bf505ebf6b7bd05f4b9ba2a303f68129bc796f512ca834fa1106ca0c91b2d922.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2448
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 220
    3⤵
    - Program crash
    PID:2132

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/2448-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2448-1-0x0000000074A10000-0x0000000074A3F000-memory.dmp

Filesize
188KB

Download
memory/2448-2-0x0000000074A10000-0x0000000074A3F000-memory.dmp

Filesize
188KB

Download
memory/2448-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download