dridex | ec621cf845324476d79a7d3d83d3f9d8fae2aa778c167c06bf016d6b1b64a8e8

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 15:12

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General

Target

JaffaCakes118_ec621cf845324476d79a7d3d83d3f9d8fae2aa778c167c06bf016d6b1b64a8e8.dll
Size

161KB
MD5

2b90846180b13432c3e508bfe8b07f29
SHA1

7a7b2565e1bf39f32f5fc035557ecd39095b871c
SHA256

ec621cf845324476d79a7d3d83d3f9d8fae2aa778c167c06bf016d6b1b64a8e8
SHA512

7ce00852b83130ee33152db0bab0a96c64cec8cffb8d00ed7f57d292971b8a2189482931e7419440c46fc829effa1ef2161a2de8363ed125d32d6e675828e3b4
SSDEEP

3072:CaSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2BGkFY:nnS62Fl+pkeJl3CvRStrFl+EYE

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/3036-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/3036-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1488	3036	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 596 wrote to memory of 3036	596	rundll32.exe	30
PID 596 wrote to memory of 3036	596	rundll32.exe	30
PID 596 wrote to memory of 3036	596	rundll32.exe	30
PID 596 wrote to memory of 3036	596	rundll32.exe	30
PID 596 wrote to memory of 3036	596	rundll32.exe	30
PID 596 wrote to memory of 3036	596	rundll32.exe	30
PID 596 wrote to memory of 3036	596	rundll32.exe	30
PID 3036 wrote to memory of 1488	3036	rundll32.exe	32
PID 3036 wrote to memory of 1488	3036	rundll32.exe	32
PID 3036 wrote to memory of 1488	3036	rundll32.exe	32
PID 3036 wrote to memory of 1488	3036	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ec621cf845324476d79a7d3d83d3f9d8fae2aa778c167c06bf016d6b1b64a8e8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:596
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ec621cf845324476d79a7d3d83d3f9d8fae2aa778c167c06bf016d6b1b64a8e8.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3036
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 256
    3⤵
    - Program crash
    PID:1488

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/3036-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/3036-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/3036-3-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/3036-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download