dridex | 424f5dbd5dfaa80e578406a308fcc9fadc5a52aa2841352841e77eb81d229ae0

Analysis

max time kernel
65s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:27

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General

Target

JaffaCakes118_424f5dbd5dfaa80e578406a308fcc9fadc5a52aa2841352841e77eb81d229ae0.dll
Size

204KB
MD5

3b434118e45e467a65857c2d2fba3123
SHA1

d57c459c5224d31880410f866dfd76a4b339f521
SHA256

424f5dbd5dfaa80e578406a308fcc9fadc5a52aa2841352841e77eb81d229ae0
SHA512

d4b6fc1375adbeb9470e18688e53a8bcd93a9140201be50dea8856b33b4c9f1ffd409254467401780010eed5e1693a5468986ca6cb2309b3a8a7e11f62b59c82
SSDEEP

3072:S6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:SZuX6pEaeEDheWa+Jc9bhorfTw

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

45.58.56.12:443

162.241.54.59:6601

51.91.76.89:2303

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/2228-0-0x00000000746A0000-0x00000000746D5000-memory.dmp	dridex_ldr
behavioral1/memory/2228-3-0x00000000746A0000-0x00000000746D5000-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 2692 wrote to memory of 2228	2692	rundll32.exe	30
PID 2692 wrote to memory of 2228	2692	rundll32.exe	30
PID 2692 wrote to memory of 2228	2692	rundll32.exe	30
PID 2692 wrote to memory of 2228	2692	rundll32.exe	30
PID 2692 wrote to memory of 2228	2692	rundll32.exe	30
PID 2692 wrote to memory of 2228	2692	rundll32.exe	30
PID 2692 wrote to memory of 2228	2692	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_424f5dbd5dfaa80e578406a308fcc9fadc5a52aa2841352841e77eb81d229ae0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_424f5dbd5dfaa80e578406a308fcc9fadc5a52aa2841352841e77eb81d229ae0.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2228

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/2228-2-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2228-0-0x00000000746A0000-0x00000000746D5000-memory.dmp

Filesize
212KB

Download
memory/2228-3-0x00000000746A0000-0x00000000746D5000-memory.dmp

Filesize
212KB

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