dridex | b4a76a6332f55fbd8974614779eda00e4121f8dbc0008751cbc23bc594b7568d

Analysis

max time kernel
54s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 19:13

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General

Target

JaffaCakes118_b4a76a6332f55fbd8974614779eda00e4121f8dbc0008751cbc23bc594b7568d.dll
Size

204KB
MD5

296ccd06993c66f440d438aef0e6e2be
SHA1

593292c0f9173678a09b95b875b449a19c3a9836
SHA256

b4a76a6332f55fbd8974614779eda00e4121f8dbc0008751cbc23bc594b7568d
SHA512

cc51aba7ea0b7ed90e2730db798085f1768947ea209f89d2782bb72309ab933e5872e545262f54b3bea39e372c762f8e572cbfb1e5735daa10c5d9923b1c7e50
SSDEEP

3072:t6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:tZuX6pEaeEDheWa+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/1544-0-0x0000000074860000-0x0000000074895000-memory.dmp	dridex_ldr
behavioral1/memory/1544-3-0x0000000074860000-0x0000000074895000-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 1584 wrote to memory of 1544	1584	rundll32.exe	30
PID 1584 wrote to memory of 1544	1584	rundll32.exe	30
PID 1584 wrote to memory of 1544	1584	rundll32.exe	30
PID 1584 wrote to memory of 1544	1584	rundll32.exe	30
PID 1584 wrote to memory of 1544	1584	rundll32.exe	30
PID 1584 wrote to memory of 1544	1584	rundll32.exe	30
PID 1584 wrote to memory of 1544	1584	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4a76a6332f55fbd8974614779eda00e4121f8dbc0008751cbc23bc594b7568d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1584
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4a76a6332f55fbd8974614779eda00e4121f8dbc0008751cbc23bc594b7568d.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1544

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/1544-0-0x0000000074860000-0x0000000074895000-memory.dmp

Filesize
212KB

Download
memory/1544-2-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/1544-3-0x0000000074860000-0x0000000074895000-memory.dmp

Filesize
212KB

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