dridex | f3fbe6d73f8be31d2b81edd72e81cfcb02939d070a862fafca9d32a5a30bcabb

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 22:20

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General

Target

JaffaCakes118_f3fbe6d73f8be31d2b81edd72e81cfcb02939d070a862fafca9d32a5a30bcabb.dll
Size

163KB
MD5

70c5a52574372ee7287de0bdb002c6b6
SHA1

bf188ccc9e85ab2a3c76eb8923c8c25d620c6ba4
SHA256

f3fbe6d73f8be31d2b81edd72e81cfcb02939d070a862fafca9d32a5a30bcabb
SHA512

de2be0d7558fe3b9b0a86e099c3723ee957aa1f12f9ed5ebeb5d81b68edd9f39ac8fd5886fe7cdcd25a365d1194a9a99245823e10233fcd9576267f9029098c0
SSDEEP

3072:99F/oNrQb4xVubbXP/NTccbsFvCeLmXH57V30e8Pj:99F6rQXvFczvYpQP

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

43.229.206.212:443

82.209.17.209:8172

162.241.209.225:4125

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/2736-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2736-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2792	2736	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 2128 wrote to memory of 2736	2128	rundll32.exe	30
PID 2128 wrote to memory of 2736	2128	rundll32.exe	30
PID 2128 wrote to memory of 2736	2128	rundll32.exe	30
PID 2128 wrote to memory of 2736	2128	rundll32.exe	30
PID 2128 wrote to memory of 2736	2128	rundll32.exe	30
PID 2128 wrote to memory of 2736	2128	rundll32.exe	30
PID 2128 wrote to memory of 2736	2128	rundll32.exe	30
PID 2736 wrote to memory of 2792	2736	rundll32.exe	31
PID 2736 wrote to memory of 2792	2736	rundll32.exe	31
PID 2736 wrote to memory of 2792	2736	rundll32.exe	31
PID 2736 wrote to memory of 2792	2736	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f3fbe6d73f8be31d2b81edd72e81cfcb02939d070a862fafca9d32a5a30bcabb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f3fbe6d73f8be31d2b81edd72e81cfcb02939d070a862fafca9d32a5a30bcabb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 240
    3⤵
    - Program crash
    PID:2792

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/2736-0-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2736-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2736-3-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2736-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download