dridex | 55a3009275e103d16da5f142dde2e5050e391b8f0b7fdbe253d85315192974ec

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
27-12-2024 01:45

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General

Target

JaffaCakes118_55a3009275e103d16da5f142dde2e5050e391b8f0b7fdbe253d85315192974ec.dll
Size

184KB
MD5

4c9c82299eebdb0bc416cb61263d1e84
SHA1

2051ad03e096e45aec56b0e4680b6cd90dd6fefa
SHA256

55a3009275e103d16da5f142dde2e5050e391b8f0b7fdbe253d85315192974ec
SHA512

cd8f72eccfbb86a38678dc284ba322a7f6930458866c92010fbe1d7c32f8220a5a482dbe2a7b1a9fe101945093638197b4a99cf91d32e6f01de7e1fbeb2009be
SSDEEP

3072:viLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaorlzoxss7:viLVCIT4WK2z1W+CUHZj4Skq/eaoRoC

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/2504-0-0x0000000074E60000-0x0000000074E8F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2392	2504	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 2084 wrote to memory of 2504	2084	rundll32.exe	30
PID 2084 wrote to memory of 2504	2084	rundll32.exe	30
PID 2084 wrote to memory of 2504	2084	rundll32.exe	30
PID 2084 wrote to memory of 2504	2084	rundll32.exe	30
PID 2084 wrote to memory of 2504	2084	rundll32.exe	30
PID 2084 wrote to memory of 2504	2084	rundll32.exe	30
PID 2084 wrote to memory of 2504	2084	rundll32.exe	30
PID 2504 wrote to memory of 2392	2504	rundll32.exe	31
PID 2504 wrote to memory of 2392	2504	rundll32.exe	31
PID 2504 wrote to memory of 2392	2504	rundll32.exe	31
PID 2504 wrote to memory of 2392	2504	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_55a3009275e103d16da5f142dde2e5050e391b8f0b7fdbe253d85315192974ec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_55a3009275e103d16da5f142dde2e5050e391b8f0b7fdbe253d85315192974ec.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 220
    3⤵
    - Program crash
    PID:2392

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/2504-2-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

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memory/2504-0-0x0000000074E60000-0x0000000074E8F000-memory.dmp

Filesize
188KB

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