dridex | a35a3eb5a53bec57d86ba721783c8af25d9ea031cdc7d096395316f30d46e603

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 19:26

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General

Target

JaffaCakes118_a35a3eb5a53bec57d86ba721783c8af25d9ea031cdc7d096395316f30d46e603.dll
Size

184KB
MD5

747bdb636267b6e3452964f4891eb958
SHA1

d3a0c8bf6774ab85508d624f063e83bf985868c8
SHA256

a35a3eb5a53bec57d86ba721783c8af25d9ea031cdc7d096395316f30d46e603
SHA512

0ff6e4a0ebfb7a664101fea84ab3fd18a62eac781d0eb537aeef858244d77d1c9621f25e3561ba2f49868675c669e135cc53e4baf07fca5dcd03c558dc675549
SSDEEP

3072:jiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eao6lzoxss7:jiLVCIT4WK2z1W+CUHZj4Skq/eaoQoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2120-1-0x0000000074DA0000-0x0000000074DCF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2052	2120	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 2168 wrote to memory of 2120	2168	rundll32.exe	30
PID 2168 wrote to memory of 2120	2168	rundll32.exe	30
PID 2168 wrote to memory of 2120	2168	rundll32.exe	30
PID 2168 wrote to memory of 2120	2168	rundll32.exe	30
PID 2168 wrote to memory of 2120	2168	rundll32.exe	30
PID 2168 wrote to memory of 2120	2168	rundll32.exe	30
PID 2168 wrote to memory of 2120	2168	rundll32.exe	30
PID 2120 wrote to memory of 2052	2120	rundll32.exe	32
PID 2120 wrote to memory of 2052	2120	rundll32.exe	32
PID 2120 wrote to memory of 2052	2120	rundll32.exe	32
PID 2120 wrote to memory of 2052	2120	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a35a3eb5a53bec57d86ba721783c8af25d9ea031cdc7d096395316f30d46e603.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a35a3eb5a53bec57d86ba721783c8af25d9ea031cdc7d096395316f30d46e603.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2120
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 220
    3⤵
    - Program crash
    PID:2052

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/2120-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2120-1-0x0000000074DA0000-0x0000000074DCF000-memory.dmp

Filesize
188KB

Download
memory/2120-3-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download