dridex | 3e777ec5c517644588d9a4cd88da3b4f2f14379852834210230d4f3a4b65eb23

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 10:13

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General

Target

JaffaCakes118_3e777ec5c517644588d9a4cd88da3b4f2f14379852834210230d4f3a4b65eb23.dll
Size

161KB
MD5

556f66e21c74d69aa2af80bef4bff9ed
SHA1

4ecb5959948c7cfa9233f6966fe861bd9aedeed1
SHA256

3e777ec5c517644588d9a4cd88da3b4f2f14379852834210230d4f3a4b65eb23
SHA512

e80c1e4b7e44d370d12060eb8df354eec839be64233ef22133e9de3e44fa5b91b47474595bb4971318b48ce21d169fa41860bb98f8585981abcfe614b40bcede
SSDEEP

3072:LjSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd28GkFY:XnS62Fl+pkeJl3CvRStrFl+EYN

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/2664-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2664-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2872	2664	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 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2148 wrote to memory of 2664	2148	rundll32.exe	31
PID 2664 wrote to memory of 2872	2664	rundll32.exe	32
PID 2664 wrote to memory of 2872	2664	rundll32.exe	32
PID 2664 wrote to memory of 2872	2664	rundll32.exe	32
PID 2664 wrote to memory of 2872	2664	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e777ec5c517644588d9a4cd88da3b4f2f14379852834210230d4f3a4b65eb23.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3e777ec5c517644588d9a4cd88da3b4f2f14379852834210230d4f3a4b65eb23.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 256
    3⤵
    - Program crash
    PID:2872

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/2664-0-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2664-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2664-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2664-3-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download