dridex | 79b5d09e4ce547886bc0753ae6eb253869b996ed762aa0dacadd0d8625738e3d

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 18:42

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General

Target

JaffaCakes118_79b5d09e4ce547886bc0753ae6eb253869b996ed762aa0dacadd0d8625738e3d.dll
Size

177KB
MD5

2d7c55b6306f8a998ead50a45ae65251
SHA1

109c991ebcb10d05d0ac97a81705db8cdb4cfa75
SHA256

79b5d09e4ce547886bc0753ae6eb253869b996ed762aa0dacadd0d8625738e3d
SHA512

09949b5dbfc7183fb1cca1823c7dd2d893512d74b9d7bc9d58553ed05c8dc285026c8d0967e68753e6dcba8bc53219a98846467f60fb68a5bfe4f3e8d6b48b31
SSDEEP

3072:LuCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:vzWxkOP4p2EesvcDi6DOHPJ

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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/3000-0-0x0000000075310000-0x0000000075341000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1736	3000	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 3012 wrote to memory of 3000	3012	rundll32.exe	30
PID 3012 wrote to memory of 3000	3012	rundll32.exe	30
PID 3012 wrote to memory of 3000	3012	rundll32.exe	30
PID 3012 wrote to memory of 3000	3012	rundll32.exe	30
PID 3012 wrote to memory of 3000	3012	rundll32.exe	30
PID 3012 wrote to memory of 3000	3012	rundll32.exe	30
PID 3012 wrote to memory of 3000	3012	rundll32.exe	30
PID 3000 wrote to memory of 1736	3000	rundll32.exe	31
PID 3000 wrote to memory of 1736	3000	rundll32.exe	31
PID 3000 wrote to memory of 1736	3000	rundll32.exe	31
PID 3000 wrote to memory of 1736	3000	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79b5d09e4ce547886bc0753ae6eb253869b996ed762aa0dacadd0d8625738e3d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79b5d09e4ce547886bc0753ae6eb253869b996ed762aa0dacadd0d8625738e3d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3000
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 220
    3⤵
    - Program crash
    PID:1736

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/3000-2-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

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memory/3000-0-0x0000000075310000-0x0000000075341000-memory.dmp

Filesize
196KB

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