dridex | 87a5b733b3cb1d08bf6882486fe400927cf200a7473f718e389c272185329388

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 01:31

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General

Target

JaffaCakes118_87a5b733b3cb1d08bf6882486fe400927cf200a7473f718e389c272185329388.dll
Size

184KB
MD5

f63aa99c3d1a135bcb73a485f90c53f4
SHA1

fd7311e0c0b90c40d947344bf4b2b533946ce8d7
SHA256

87a5b733b3cb1d08bf6882486fe400927cf200a7473f718e389c272185329388
SHA512

f7a6ee428cffb3e0b8846dd82a420df6c6a81d2f7d74bbedcc947b696742a2628f6c2d91ade1e0c5186a59373cdb341c94290c58f4e432cc6679443c8ac49a66
SSDEEP

3072:BJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JAa//2uFrSc:CfYOX+wTScR/Xzku9LVw7uG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2124-1-0x0000000075430000-0x000000007545F000-memory.dmp	dridex_ldr
behavioral1/memory/2124-2-0x0000000075430000-0x000000007545F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2800	2124	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 2212 wrote to memory of 2124	2212	rundll32.exe	30
PID 2212 wrote to memory of 2124	2212	rundll32.exe	30
PID 2212 wrote to memory of 2124	2212	rundll32.exe	30
PID 2212 wrote to memory of 2124	2212	rundll32.exe	30
PID 2212 wrote to memory of 2124	2212	rundll32.exe	30
PID 2212 wrote to memory of 2124	2212	rundll32.exe	30
PID 2212 wrote to memory of 2124	2212	rundll32.exe	30
PID 2124 wrote to memory of 2800	2124	rundll32.exe	31
PID 2124 wrote to memory of 2800	2124	rundll32.exe	31
PID 2124 wrote to memory of 2800	2124	rundll32.exe	31
PID 2124 wrote to memory of 2800	2124	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87a5b733b3cb1d08bf6882486fe400927cf200a7473f718e389c272185329388.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87a5b733b3cb1d08bf6882486fe400927cf200a7473f718e389c272185329388.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 220
    3⤵
    - Program crash
    PID:2800

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

Replay Monitor

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Downloads

memory/2124-0-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2124-1-0x0000000075430000-0x000000007545F000-memory.dmp

Filesize
188KB

Download
memory/2124-2-0x0000000075430000-0x000000007545F000-memory.dmp

Filesize
188KB

Download
memory/2124-3-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

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