dridex | 7f8b92fb9e6c42d6146b8e879b2331a41c33e19e3fe3f45bf040773867a2137b

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 06:29

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General

Target

JaffaCakes118_7f8b92fb9e6c42d6146b8e879b2331a41c33e19e3fe3f45bf040773867a2137b.dll
Size

184KB
MD5

20d620b207509f44217330f82a211bf7
SHA1

176e872b25d5a0197e5bee261fc3b94f19372557
SHA256

7f8b92fb9e6c42d6146b8e879b2331a41c33e19e3fe3f45bf040773867a2137b
SHA512

c7a0286aeb44f932899cff635bc4b1d755985501375fbba7231f11f7bfbdeeca3d012c6ddcd9af7853a96304fdf93c00397c473c616c32977d7e59782eb8e874
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaowlzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eaoOoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/2640-1-0x0000000074F20000-0x0000000074F4F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1848	2640	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 2084 wrote to memory of 2640	2084	rundll32.exe	31
PID 2084 wrote to memory of 2640	2084	rundll32.exe	31
PID 2084 wrote to memory of 2640	2084	rundll32.exe	31
PID 2084 wrote to memory of 2640	2084	rundll32.exe	31
PID 2084 wrote to memory of 2640	2084	rundll32.exe	31
PID 2084 wrote to memory of 2640	2084	rundll32.exe	31
PID 2084 wrote to memory of 2640	2084	rundll32.exe	31
PID 2640 wrote to memory of 1848	2640	rundll32.exe	32
PID 2640 wrote to memory of 1848	2640	rundll32.exe	32
PID 2640 wrote to memory of 1848	2640	rundll32.exe	32
PID 2640 wrote to memory of 1848	2640	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f8b92fb9e6c42d6146b8e879b2331a41c33e19e3fe3f45bf040773867a2137b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f8b92fb9e6c42d6146b8e879b2331a41c33e19e3fe3f45bf040773867a2137b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2640 -s 220
    3⤵
    - Program crash
    PID:1848

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

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Downloads

memory/2640-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2640-1-0x0000000074F20000-0x0000000074F4F000-memory.dmp

Filesize
188KB

Download
memory/2640-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download