dridex | 99ab4c07e2d8a75896d58c4fc83f30d324d10844be4bba979f2f59cb8e1193f4

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 14:28

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General

Target

JaffaCakes118_99ab4c07e2d8a75896d58c4fc83f30d324d10844be4bba979f2f59cb8e1193f4.dll
Size

161KB
MD5

8f3c4530323d1cfbd41956cf34079edc
SHA1

0d27589013ea269728ea7959ccebf674c3153b15
SHA256

99ab4c07e2d8a75896d58c4fc83f30d324d10844be4bba979f2f59cb8e1193f4
SHA512

0d3b2f5af42777172629a269aec9c53e22891bc0b4efabc3f44e299acb944cd84e136108e0a10ee3074e8760b95665579b8676ada8594cb441e95b58889c281e
SSDEEP

3072:KoSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2aGkFY:RnS62Fl+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/3060-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/3060-3-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2668	3060	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 2916 wrote to memory of 3060	2916	rundll32.exe	30
PID 2916 wrote to memory of 3060	2916	rundll32.exe	30
PID 2916 wrote to memory of 3060	2916	rundll32.exe	30
PID 2916 wrote to memory of 3060	2916	rundll32.exe	30
PID 2916 wrote to memory of 3060	2916	rundll32.exe	30
PID 2916 wrote to memory of 3060	2916	rundll32.exe	30
PID 2916 wrote to memory of 3060	2916	rundll32.exe	30
PID 3060 wrote to memory of 2668	3060	rundll32.exe	31
PID 3060 wrote to memory of 2668	3060	rundll32.exe	31
PID 3060 wrote to memory of 2668	3060	rundll32.exe	31
PID 3060 wrote to memory of 2668	3060	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99ab4c07e2d8a75896d58c4fc83f30d324d10844be4bba979f2f59cb8e1193f4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_99ab4c07e2d8a75896d58c4fc83f30d324d10844be4bba979f2f59cb8e1193f4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 256
    3⤵
    - Program crash
    PID:2668

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/3060-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/3060-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/3060-3-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download