dridex | 93da2124cab70706a28833bffc99737b24fd6fb31aa688181333e8ebfdaaa34c

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:14

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General

Target

JaffaCakes118_93da2124cab70706a28833bffc99737b24fd6fb31aa688181333e8ebfdaaa34c.dll
Size

160KB
MD5

c3c6166ba1453398c2a23fd29fbd2a49
SHA1

5a90e2ceb5cd9d750e37e99016808ff9961cd380
SHA256

93da2124cab70706a28833bffc99737b24fd6fb31aa688181333e8ebfdaaa34c
SHA512

777489912ea6c9fcab551e2caf8f7bc356a37a87a1f6bda4e67293f377a24705967250d82fad07ecbac48ef44d39e64c1bc894b26556fa539e5c9da6f928ff92
SSDEEP

3072:W6On8cnYCTZouiOyPmE7Zsantih3+0wuFiD3xJaTw1tHr:u8mnT7Fmsans1+0Hw7/t

Score

10^/10

dridex 40111 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

40111

185.148.168.240:443

162.216.125.131:2303

193.200.130.178:8172

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1672-1-0x0000000074A60000-0x0000000074A8E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2328	1672	WerFault.exe	31

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 11 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 1672	540	rundll32.exe	31
PID 540 wrote to memory of 1672	540	rundll32.exe	31
PID 540 wrote to memory of 1672	540	rundll32.exe	31
PID 540 wrote to memory of 1672	540	rundll32.exe	31
PID 540 wrote to memory of 1672	540	rundll32.exe	31
PID 540 wrote to memory of 1672	540	rundll32.exe	31
PID 540 wrote to memory of 1672	540	rundll32.exe	31
PID 1672 wrote to memory of 2328	1672	rundll32.exe	32
PID 1672 wrote to memory of 2328	1672	rundll32.exe	32
PID 1672 wrote to memory of 2328	1672	rundll32.exe	32
PID 1672 wrote to memory of 2328	1672	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_93da2124cab70706a28833bffc99737b24fd6fb31aa688181333e8ebfdaaa34c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_93da2124cab70706a28833bffc99737b24fd6fb31aa688181333e8ebfdaaa34c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 256
    3⤵
    - Program crash
    PID:2328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1672-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1672-1-0x0000000074A60000-0x0000000074A8E000-memory.dmp

Filesize
184KB

Download
memory/1672-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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