dridex | b9ae1414656f6364b9b4c6f88b396333eba3caf0eebc636d2573c5af9253d957

Analysis

max time kernel
104s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:00

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General

Target

JaffaCakes118_b9ae1414656f6364b9b4c6f88b396333eba3caf0eebc636d2573c5af9253d957.dll
Size

204KB
MD5

42038f5bcde2328e01c5a0342c5f2fe1
SHA1

cf387919add6bfb0e82cfbc1beca6390ce23106b
SHA256

b9ae1414656f6364b9b4c6f88b396333eba3caf0eebc636d2573c5af9253d957
SHA512

90a11a62f7e63d1f3583596c4586f2e0abc736a0b59db08835d63143d98d4fdccb88be77be389d2516835e905383e1ba1ae2a5ccdc17fc01e6ae730ce4b6184d
SSDEEP

3072:A6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:AZuX6pEaeEDheWa+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/1948-1-0x0000000074B30000-0x0000000074B65000-memory.dmp	dridex_ldr
behavioral1/memory/1948-3-0x0000000074B30000-0x0000000074B65000-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 2336 wrote to memory of 1948	2336	rundll32.exe	30
PID 2336 wrote to memory of 1948	2336	rundll32.exe	30
PID 2336 wrote to memory of 1948	2336	rundll32.exe	30
PID 2336 wrote to memory of 1948	2336	rundll32.exe	30
PID 2336 wrote to memory of 1948	2336	rundll32.exe	30
PID 2336 wrote to memory of 1948	2336	rundll32.exe	30
PID 2336 wrote to memory of 1948	2336	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9ae1414656f6364b9b4c6f88b396333eba3caf0eebc636d2573c5af9253d957.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9ae1414656f6364b9b4c6f88b396333eba3caf0eebc636d2573c5af9253d957.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1948

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

Replay Monitor

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Downloads

memory/1948-0-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/1948-1-0x0000000074B30000-0x0000000074B65000-memory.dmp

Filesize
212KB

Download
memory/1948-4-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/1948-3-0x0000000074B30000-0x0000000074B65000-memory.dmp

Filesize
212KB

Download