dridex | 50082231f3fd37091313e96c2e2b1fb024d7cb6d6cf9d1b0916fbd70d49db914

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 06:05

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General

Target

JaffaCakes118_50082231f3fd37091313e96c2e2b1fb024d7cb6d6cf9d1b0916fbd70d49db914.dll
Size

161KB
MD5

a732eeb108f07b1693fdaef4e9a848f0
SHA1

b98c73817d30d4fca2da6546e3f36af59480d3c0
SHA256

50082231f3fd37091313e96c2e2b1fb024d7cb6d6cf9d1b0916fbd70d49db914
SHA512

858e2bf83a1ac892d2dff6a4e7a5ef853fa9698b03be7b649a841416b47026d449a044295630c7739ad3948c51a2be40a2077014c0ae30f8d3e73ad07f1e42c4
SSDEEP

3072:BnSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2xGkFY:ZnS62Fl+pkeJl3CvRStrFl+EY0

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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/1896-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1896-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2384	1896	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 1928 wrote to memory of 1896	1928	rundll32.exe	30
PID 1928 wrote to memory of 1896	1928	rundll32.exe	30
PID 1928 wrote to memory of 1896	1928	rundll32.exe	30
PID 1928 wrote to memory of 1896	1928	rundll32.exe	30
PID 1928 wrote to memory of 1896	1928	rundll32.exe	30
PID 1928 wrote to memory of 1896	1928	rundll32.exe	30
PID 1928 wrote to memory of 1896	1928	rundll32.exe	30
PID 1896 wrote to memory of 2384	1896	rundll32.exe	32
PID 1896 wrote to memory of 2384	1896	rundll32.exe	32
PID 1896 wrote to memory of 2384	1896	rundll32.exe	32
PID 1896 wrote to memory of 2384	1896	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50082231f3fd37091313e96c2e2b1fb024d7cb6d6cf9d1b0916fbd70d49db914.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50082231f3fd37091313e96c2e2b1fb024d7cb6d6cf9d1b0916fbd70d49db914.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1896
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 256
    3⤵
    - Program crash
    PID:2384

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/1896-0-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1896-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1896-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1896-4-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download