dridex | 41eab784a78fe3d2b6e4a0482361082a3b543797402a03d4dc5ac278f4442938

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29/12/2024, 23:43

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General

Target

JaffaCakes118_41eab784a78fe3d2b6e4a0482361082a3b543797402a03d4dc5ac278f4442938.dll
Size

161KB
MD5

aa7540c8d49029f4d4243db18d40bbd4
SHA1

bb5d05aeba707a01d28cbf96f3b3a332a20d4f93
SHA256

41eab784a78fe3d2b6e4a0482361082a3b543797402a03d4dc5ac278f4442938
SHA512

81daf7773bdaac7a5535163d24c80510fd61144eae6c6c8f2e51e8cc776e7bd97df896a4b4f932b05cf951bbaab45f24927bf64760b6c0485f2962a84a60b6c2
SSDEEP

3072:xtSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2TGkFY:LnS62Fl+pkeJl3CvRStrFl+EYi

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/2388-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2388-3-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2516	2388	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 2368 wrote to memory of 2388	2368	rundll32.exe	30
PID 2368 wrote to memory of 2388	2368	rundll32.exe	30
PID 2368 wrote to memory of 2388	2368	rundll32.exe	30
PID 2368 wrote to memory of 2388	2368	rundll32.exe	30
PID 2368 wrote to memory of 2388	2368	rundll32.exe	30
PID 2368 wrote to memory of 2388	2368	rundll32.exe	30
PID 2368 wrote to memory of 2388	2368	rundll32.exe	30
PID 2388 wrote to memory of 2516	2388	rundll32.exe	32
PID 2388 wrote to memory of 2516	2388	rundll32.exe	32
PID 2388 wrote to memory of 2516	2388	rundll32.exe	32
PID 2388 wrote to memory of 2516	2388	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41eab784a78fe3d2b6e4a0482361082a3b543797402a03d4dc5ac278f4442938.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41eab784a78fe3d2b6e4a0482361082a3b543797402a03d4dc5ac278f4442938.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 256
    3⤵
    - Program crash
    PID:2516

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/2388-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2388-2-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2388-3-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download