dridex | 783b0b4295ca49f285c53ad604c28d6f523d580aec6dc9335dcc3184ac718154

Analysis

max time kernel
57s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 20:57

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General

Target

JaffaCakes118_783b0b4295ca49f285c53ad604c28d6f523d580aec6dc9335dcc3184ac718154.dll
Size

160KB
MD5

4ff1287e0fe203f5a0d0012a47b31134
SHA1

7ceaccd044306c22872d42003fc0a817d8b3284b
SHA256

783b0b4295ca49f285c53ad604c28d6f523d580aec6dc9335dcc3184ac718154
SHA512

2bfca3e112ab508c0dfd6259b866751ef0f4ea78235c32ddbfa6592253442b6026983c219ccd4fc124c2a58a3503ca5a819ecad0b40ce590674bd238412fada2
SSDEEP

3072:dWX2IjzzpM+PncPeY8+O3AU3HRIHPh3UGfXy0BHNkIv/ScbQQ2y0iNM0+y+N0tc:d42IfzNPnoeY8j3AsHGPXpHNj6rByM3

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/2312-1-0x0000000074AE0000-0x0000000074B0E000-memory.dmp	dridex_ldr
behavioral1/memory/2312-2-0x0000000074AE0000-0x0000000074B0E000-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 1084 wrote to memory of 2312	1084	rundll32.exe	30
PID 1084 wrote to memory of 2312	1084	rundll32.exe	30
PID 1084 wrote to memory of 2312	1084	rundll32.exe	30
PID 1084 wrote to memory of 2312	1084	rundll32.exe	30
PID 1084 wrote to memory of 2312	1084	rundll32.exe	30
PID 1084 wrote to memory of 2312	1084	rundll32.exe	30
PID 1084 wrote to memory of 2312	1084	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_783b0b4295ca49f285c53ad604c28d6f523d580aec6dc9335dcc3184ac718154.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_783b0b4295ca49f285c53ad604c28d6f523d580aec6dc9335dcc3184ac718154.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2312

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/2312-0-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2312-1-0x0000000074AE0000-0x0000000074B0E000-memory.dmp

Filesize
184KB

Download
memory/2312-2-0x0000000074AE0000-0x0000000074B0E000-memory.dmp

Filesize
184KB

Download
memory/2312-3-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download