dridex | 1f84e44aacb510085e2ae7ad66f20ff82af9dcfe72d5cb9349400d8a29c99f10

Analysis

max time kernel
111s
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 19:46

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General

Target

JaffaCakes118_1f84e44aacb510085e2ae7ad66f20ff82af9dcfe72d5cb9349400d8a29c99f10.dll
Size

204KB
MD5

6c3ad468ae3eb9d601e8abf6e645c23f
SHA1

179a7b6106c71fe6d995feeb592e44509154a9bb
SHA256

1f84e44aacb510085e2ae7ad66f20ff82af9dcfe72d5cb9349400d8a29c99f10
SHA512

a79fa8a33509d58784bff34478cba84114f1d4a6c1454723e72e60c3f7bde8ae77b17072819c147fda419ca6341e87cb7bd3c914bec29714ca2e86a75a7ce95f
SSDEEP

3072:z6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:zZuX6pEaeEDheWa+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/3008-1-0x00000000752A0000-0x00000000752D5000-memory.dmp	dridex_ldr
behavioral1/memory/3008-2-0x00000000752A0000-0x00000000752D5000-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 2528 wrote to memory of 3008	2528	rundll32.exe	31
PID 2528 wrote to memory of 3008	2528	rundll32.exe	31
PID 2528 wrote to memory of 3008	2528	rundll32.exe	31
PID 2528 wrote to memory of 3008	2528	rundll32.exe	31
PID 2528 wrote to memory of 3008	2528	rundll32.exe	31
PID 2528 wrote to memory of 3008	2528	rundll32.exe	31
PID 2528 wrote to memory of 3008	2528	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f84e44aacb510085e2ae7ad66f20ff82af9dcfe72d5cb9349400d8a29c99f10.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f84e44aacb510085e2ae7ad66f20ff82af9dcfe72d5cb9349400d8a29c99f10.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3008

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/3008-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/3008-1-0x00000000752A0000-0x00000000752D5000-memory.dmp

Filesize
212KB

Download
memory/3008-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/3008-2-0x00000000752A0000-0x00000000752D5000-memory.dmp

Filesize
212KB

Download