dridex | 5c8247ad2c45771eaa6c536b31f19697a2e1718dd58d02a3f08cf614f973262a

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 10:54

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General

Target

JaffaCakes118_5c8247ad2c45771eaa6c536b31f19697a2e1718dd58d02a3f08cf614f973262a.dll
Size

177KB
MD5

77ffc0b13bb7aafb1cf0e5af5f5b795e
SHA1

bb88f2383c308b9dc4b01b4033e1cd372f569e3f
SHA256

5c8247ad2c45771eaa6c536b31f19697a2e1718dd58d02a3f08cf614f973262a
SHA512

0f341e2c17a1b6c4863151cd0567ecb8b76150c83e58e462f5485b8652290649ad4361f5e664b684978c4e70c6d125d9a97a20f66708b6ee801c2199d6f6b23d
SSDEEP

3072:ruCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:PzWxkOP4p2EesvcDi6DOHPJ

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/3028-0-0x00000000748B0000-0x00000000748E1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2728	3028	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 2488 wrote to memory of 3028	2488	rundll32.exe	30
PID 2488 wrote to memory of 3028	2488	rundll32.exe	30
PID 2488 wrote to memory of 3028	2488	rundll32.exe	30
PID 2488 wrote to memory of 3028	2488	rundll32.exe	30
PID 2488 wrote to memory of 3028	2488	rundll32.exe	30
PID 2488 wrote to memory of 3028	2488	rundll32.exe	30
PID 2488 wrote to memory of 3028	2488	rundll32.exe	30
PID 3028 wrote to memory of 2728	3028	rundll32.exe	31
PID 3028 wrote to memory of 2728	3028	rundll32.exe	31
PID 3028 wrote to memory of 2728	3028	rundll32.exe	31
PID 3028 wrote to memory of 2728	3028	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c8247ad2c45771eaa6c536b31f19697a2e1718dd58d02a3f08cf614f973262a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c8247ad2c45771eaa6c536b31f19697a2e1718dd58d02a3f08cf614f973262a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 220
    3⤵
    - Program crash
    PID:2728

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/3028-0-0x00000000748B0000-0x00000000748E1000-memory.dmp

Filesize
196KB

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memory/3028-2-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

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