dridex | f841d383895dfefe8bf83184510447b5ab78e0f2755fa4eac09349d789577a3e

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 20:19

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General

Target

JaffaCakes118_f841d383895dfefe8bf83184510447b5ab78e0f2755fa4eac09349d789577a3e.dll
Size

161KB
MD5

554ff15e0eec6f782832b32245ab9653
SHA1

cc34e416818f9580d8c8db23749a951a2cc89975
SHA256

f841d383895dfefe8bf83184510447b5ab78e0f2755fa4eac09349d789577a3e
SHA512

256bb9de8ad2bc576a1b607f23c3dfe7877eafa3c5a32fc7ffec9c4f8103b930192e21404597d8c6c2e3800dcde487bc644d9514fb14b852eb1dc43c3028c0c5
SSDEEP

3072:iZSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd21GkFY:YnS62Fl+pkeJl3CvRStrFl+EY4

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/1240-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1240-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3032	1240	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 1792 wrote to memory of 1240	1792	rundll32.exe	30
PID 1792 wrote to memory of 1240	1792	rundll32.exe	30
PID 1792 wrote to memory of 1240	1792	rundll32.exe	30
PID 1792 wrote to memory of 1240	1792	rundll32.exe	30
PID 1792 wrote to memory of 1240	1792	rundll32.exe	30
PID 1792 wrote to memory of 1240	1792	rundll32.exe	30
PID 1792 wrote to memory of 1240	1792	rundll32.exe	30
PID 1240 wrote to memory of 3032	1240	rundll32.exe	32
PID 1240 wrote to memory of 3032	1240	rundll32.exe	32
PID 1240 wrote to memory of 3032	1240	rundll32.exe	32
PID 1240 wrote to memory of 3032	1240	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f841d383895dfefe8bf83184510447b5ab78e0f2755fa4eac09349d789577a3e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f841d383895dfefe8bf83184510447b5ab78e0f2755fa4eac09349d789577a3e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1240
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 256
    3⤵
    - Program crash
    PID:3032

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/1240-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1240-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1240-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1240-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download