dridex | 99cf5687f82c8eddd3988203e6a343a97e8c44fa18bd8094f51f653530c891cb

Analysis

max time kernel
26s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 02:44

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General

Target

JaffaCakes118_99cf5687f82c8eddd3988203e6a343a97e8c44fa18bd8094f51f653530c891cb.dll
Size

161KB
MD5

79c08a3f11cd40e6f5bb143620ae251a
SHA1

b47868d8615f67c6b74054160db912bb3d54d0ea
SHA256

99cf5687f82c8eddd3988203e6a343a97e8c44fa18bd8094f51f653530c891cb
SHA512

b577c5e025b6c385f3dcd0464c5566e17b03439e2a81bbb4ccf83c1048bbc788781220374ada27a17e93c060a67de9b6198c83d6df03a2a97e9e0a84450d3390
SSDEEP

3072:BgSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2ZGkFY:KnS62Fl+pkeJl3CvRStrFl+EYM

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/2936-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2936-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2948	2936	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 2592 wrote to memory of 2936	2592	rundll32.exe	30
PID 2592 wrote to memory of 2936	2592	rundll32.exe	30
PID 2592 wrote to memory of 2936	2592	rundll32.exe	30
PID 2592 wrote to memory of 2936	2592	rundll32.exe	30
PID 2592 wrote to memory of 2936	2592	rundll32.exe	30
PID 2592 wrote to memory of 2936	2592	rundll32.exe	30
PID 2592 wrote to memory of 2936	2592	rundll32.exe	30
PID 2936 wrote to memory of 2948	2936	rundll32.exe	31
PID 2936 wrote to memory of 2948	2936	rundll32.exe	31
PID 2936 wrote to memory of 2948	2936	rundll32.exe	31
PID 2936 wrote to memory of 2948	2936	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99cf5687f82c8eddd3988203e6a343a97e8c44fa18bd8094f51f653530c891cb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99cf5687f82c8eddd3988203e6a343a97e8c44fa18bd8094f51f653530c891cb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 264
    3⤵
    - Program crash
    PID:2948

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/2936-0-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2936-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2936-3-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2936-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download