dridex | 137adb74e33166f4119fbddbbebf34224c17550eb9f9068a557f01c449abee39

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:03

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General

Target

JaffaCakes118_137adb74e33166f4119fbddbbebf34224c17550eb9f9068a557f01c449abee39.dll
Size

184KB
MD5

55a5ec8f45c76d5f7596caf06bc7dfc8
SHA1

1a8c7a3d552ac68b608c35ce8de853c2fba90d27
SHA256

137adb74e33166f4119fbddbbebf34224c17550eb9f9068a557f01c449abee39
SHA512

07e583b404590876a1c68b1a5064f436389cbf08bd6ec94e4ae5938085268e4eb1dda91274b328aadf8123ed8fc79c869f606f3de06ff519bb723b670a6f247a
SSDEEP

3072:ZJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JTa//2uFrSc:afYOX+wTScR/Xzku9LVwsuG

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/1636-1-0x0000000075020000-0x000000007504F000-memory.dmp	dridex_ldr
behavioral1/memory/1636-2-0x0000000075020000-0x000000007504F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2304	1636	WerFault.exe	28

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 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 1636 wrote to memory of 2304	1636	rundll32.exe	29
PID 1636 wrote to memory of 2304	1636	rundll32.exe	29
PID 1636 wrote to memory of 2304	1636	rundll32.exe	29
PID 1636 wrote to memory of 2304	1636	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_137adb74e33166f4119fbddbbebf34224c17550eb9f9068a557f01c449abee39.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_137adb74e33166f4119fbddbbebf34224c17550eb9f9068a557f01c449abee39.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 220
    3⤵
    - Program crash
    PID:2304

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/1636-0-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/1636-1-0x0000000075020000-0x000000007504F000-memory.dmp

Filesize
188KB

Download
memory/1636-3-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/1636-2-0x0000000075020000-0x000000007504F000-memory.dmp

Filesize
188KB

Download