dridex | f9ae18296d53e56472ac20ea5906c052256993055ed1a035c05e5ac2d48f25ac

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 03:27

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General

Target

JaffaCakes118_f9ae18296d53e56472ac20ea5906c052256993055ed1a035c05e5ac2d48f25ac.dll
Size

161KB
MD5

59584ce76a57eb6e6f658518f9be5eb8
SHA1

93ce18eac4c9a722386fcecc170d2191dc24d9cf
SHA256

f9ae18296d53e56472ac20ea5906c052256993055ed1a035c05e5ac2d48f25ac
SHA512

fd291ce1394fdc62940ec8530e83d01d01709fa25873320e8d24beb16fe9c425a015121cc7511b196f067f774b40af12f5a4360d6cccb4d3f8bcfa3625857714
SSDEEP

3072:Cw45bscWrhftr4SOX63M5jY17lh9sDVj9a/KBz9YlYU:B4KcMhVkbK3hDq9E8i

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

45.55.134.126:443

67.207.83.96:8172

193.160.214.95:4125

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/1916-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1916-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1000	1916	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 2600 wrote to memory of 1916	2600	rundll32.exe	30
PID 2600 wrote to memory of 1916	2600	rundll32.exe	30
PID 2600 wrote to memory of 1916	2600	rundll32.exe	30
PID 2600 wrote to memory of 1916	2600	rundll32.exe	30
PID 2600 wrote to memory of 1916	2600	rundll32.exe	30
PID 2600 wrote to memory of 1916	2600	rundll32.exe	30
PID 2600 wrote to memory of 1916	2600	rundll32.exe	30
PID 1916 wrote to memory of 1000	1916	rundll32.exe	32
PID 1916 wrote to memory of 1000	1916	rundll32.exe	32
PID 1916 wrote to memory of 1000	1916	rundll32.exe	32
PID 1916 wrote to memory of 1000	1916	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f9ae18296d53e56472ac20ea5906c052256993055ed1a035c05e5ac2d48f25ac.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f9ae18296d53e56472ac20ea5906c052256993055ed1a035c05e5ac2d48f25ac.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 256
    3⤵
    - Program crash
    PID:1000

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/1916-0-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/1916-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1916-3-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/1916-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download