dridex | 65b238ba099537104b06d653cbd2b2893caf1cd6e06a3afeeb9f348b6d6317f5

Analysis

max time kernel
49s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 23:26

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General

Target

JaffaCakes118_65b238ba099537104b06d653cbd2b2893caf1cd6e06a3afeeb9f348b6d6317f5.dll
Size

162KB
MD5

d22a6c68958ef258e89938ad7951dbc1
SHA1

0a2868dbe1509f8db28f8168338a74ea4a91daa2
SHA256

65b238ba099537104b06d653cbd2b2893caf1cd6e06a3afeeb9f348b6d6317f5
SHA512

472298f537867f86ac1e1741c72691bf471579aa2a0e8e25c37cf80766c323b2e87cee55538fe698e54e8667a439c1d02320e20273938f936c601807f402e165
SSDEEP

3072:gPmNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:gOLc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p

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
behavioral2/memory/4280-1-0x0000000075410000-0x000000007543E000-memory.dmp	dridex_ldr
behavioral2/memory/4280-4-0x0000000075410000-0x000000007543E000-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 3 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 4280	3580	rundll32.exe	83
PID 3580 wrote to memory of 4280	3580	rundll32.exe	83
PID 3580 wrote to memory of 4280	3580	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65b238ba099537104b06d653cbd2b2893caf1cd6e06a3afeeb9f348b6d6317f5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65b238ba099537104b06d653cbd2b2893caf1cd6e06a3afeeb9f348b6d6317f5.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4280

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/4280-0-0x00000000017E0000-0x00000000017E6000-memory.dmp

Filesize
24KB

Download
memory/4280-1-0x0000000075410000-0x000000007543E000-memory.dmp

Filesize
184KB

Download
memory/4280-3-0x00000000017E0000-0x00000000017E6000-memory.dmp

Filesize
24KB

Download
memory/4280-4-0x0000000075410000-0x000000007543E000-memory.dmp

Filesize
184KB

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