dridex | fb9f8cdff81ab94be027abe7a70e31e84b1b72f6fddb3df90d3a2f29194e8911

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:33

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General

Target

JaffaCakes118_fb9f8cdff81ab94be027abe7a70e31e84b1b72f6fddb3df90d3a2f29194e8911.dll
Size

177KB
MD5

e33a334a5381caee00a1933e655680b8
SHA1

e94c3e0525fae6c1f5d1b9ca5a09c7f78588c85f
SHA256

fb9f8cdff81ab94be027abe7a70e31e84b1b72f6fddb3df90d3a2f29194e8911
SHA512

c3c02c5c6ca46953f4f6f978e8378028d6828a79f3e0d254f9c4170a15e9905f5749eb9bec972a3db49672fcbf498a440666388adf436db688c0c9c53efbf72a
SSDEEP

3072:quCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:GzWxkOP4p2EesvcDi6DOHPJ

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/2708-0-0x0000000075370000-0x00000000753A1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2824	2708	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 2028 wrote to memory of 2708	2028	rundll32.exe	30
PID 2028 wrote to memory of 2708	2028	rundll32.exe	30
PID 2028 wrote to memory of 2708	2028	rundll32.exe	30
PID 2028 wrote to memory of 2708	2028	rundll32.exe	30
PID 2028 wrote to memory of 2708	2028	rundll32.exe	30
PID 2028 wrote to memory of 2708	2028	rundll32.exe	30
PID 2028 wrote to memory of 2708	2028	rundll32.exe	30
PID 2708 wrote to memory of 2824	2708	rundll32.exe	31
PID 2708 wrote to memory of 2824	2708	rundll32.exe	31
PID 2708 wrote to memory of 2824	2708	rundll32.exe	31
PID 2708 wrote to memory of 2824	2708	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fb9f8cdff81ab94be027abe7a70e31e84b1b72f6fddb3df90d3a2f29194e8911.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fb9f8cdff81ab94be027abe7a70e31e84b1b72f6fddb3df90d3a2f29194e8911.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2708 -s 220
    3⤵
    - Program crash
    PID:2824

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/2708-0-0x0000000075370000-0x00000000753A1000-memory.dmp

Filesize
196KB

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memory/2708-2-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

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