dridex | b29ee5bade91030444a33caca12a6e54f0ab8d4b3bb38663520c91ed1cc90625

Analysis

max time kernel
115s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 17:16

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General

Target

JaffaCakes118_b29ee5bade91030444a33caca12a6e54f0ab8d4b3bb38663520c91ed1cc90625.dll
Size

162KB
MD5

f1786cf7a88117a3b0c2f94a06662406
SHA1

689e0cf9304c8e61897485ba0604816a331944d8
SHA256

b29ee5bade91030444a33caca12a6e54f0ab8d4b3bb38663520c91ed1cc90625
SHA512

3ecee12c07190d8ebb24d3033611099424eef90cf9984177144e92d602988df9605373c6249e10d9f15f033b7ba6e9c118daa3a0a9ce8e93eb38f9cf53c98409
SSDEEP

3072:CmNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:TLc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p

Score

10^/10

dridex 40112 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/2324-0-0x0000000075380000-0x00000000753AE000-memory.dmp	dridex_ldr
behavioral1/memory/2324-3-0x0000000075380000-0x00000000753AE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

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 7 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2324	2172	rundll32.exe	30
PID 2172 wrote to memory of 2324	2172	rundll32.exe	30
PID 2172 wrote to memory of 2324	2172	rundll32.exe	30
PID 2172 wrote to memory of 2324	2172	rundll32.exe	30
PID 2172 wrote to memory of 2324	2172	rundll32.exe	30
PID 2172 wrote to memory of 2324	2172	rundll32.exe	30
PID 2172 wrote to memory of 2324	2172	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b29ee5bade91030444a33caca12a6e54f0ab8d4b3bb38663520c91ed1cc90625.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b29ee5bade91030444a33caca12a6e54f0ab8d4b3bb38663520c91ed1cc90625.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2324-0-0x0000000075380000-0x00000000753AE000-memory.dmp

Filesize
184KB

Download
memory/2324-2-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2324-3-0x0000000075380000-0x00000000753AE000-memory.dmp

Filesize
184KB

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