dridex | 1dde2511d16d5e5f71908857f3604a66201407dc06354a66cfa8914cfdfd19eb

Analysis

max time kernel
101s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2024 09:55

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General

Target

3116e879207fdfa9bbfb8cd7891c04b0N.dll
Size

177KB
MD5

3116e879207fdfa9bbfb8cd7891c04b0
SHA1

5c2c060e99dde92d843a7ffe133a9c96b0965a1f
SHA256

1dde2511d16d5e5f71908857f3604a66201407dc06354a66cfa8914cfdfd19eb
SHA512

f3c41d3169cdb687239d2745eecf164a827b81825c32d9e2dd644bbd86f99fc06848ce108c683760efb26812587ecf5f6578915ef9eac7e43bacaaf4e439ff75
SSDEEP

3072:1oNQK/z2dvUgKrjbeSUAjnERwDkCWptcvcb8qgAE0A2C8FQUVac8SUrKI6bl/g:+aIzLgKrjbvUAjERycp6c8qgATA2TQUl

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

45.79.91.89:9987

157.245.231.228:6051

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/1124-0-0x0000000074C30000-0x0000000074C60000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2424	1124	WerFault.exe	86

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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 788 wrote to memory of 1124	788	rundll32.exe	86
PID 788 wrote to memory of 1124	788	rundll32.exe	86
PID 788 wrote to memory of 1124	788	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3116e879207fdfa9bbfb8cd7891c04b0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3116e879207fdfa9bbfb8cd7891c04b0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1124
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1124 -s 672
    3⤵
    - Program crash
    PID:2424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 1124 -ip 1124
1⤵
PID:2868

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/1124-0-0x0000000074C30000-0x0000000074C60000-memory.dmp

Filesize
192KB

Download
memory/1124-2-0x0000000000F70000-0x0000000000F76000-memory.dmp

Filesize
24KB

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