dridex | 74628a15a004d03894cf6c5113211c5c72c4a7560800a018803e8b62aa3db1dc

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/12/2024, 16:44

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General

Target

74628a15a004d03894cf6c5113211c5c72c4a7560800a018803e8b62aa3db1dc.dll
Size

163KB
MD5

1abc8d9cbbdb39a31d46a360d88a482d
SHA1

21d4424fc3de7fd69bc813ecf8735624db08c786
SHA256

74628a15a004d03894cf6c5113211c5c72c4a7560800a018803e8b62aa3db1dc
SHA512

a24c99c7e34771e75168a706d03ddb6de99f88531eb03efbb3c68d3e14ead16139f0b173eec6edbb24715d584e4e1bb17cf328b5cd4066bd5efe7a3490a7c9d5
SSDEEP

3072:Mar6Ys6p54kfdo+APr0aYSbeO6aal8jeytFQTOpp2J:us4p+ADxnSO6D2cOp

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

43.229.206.212:443

82.209.17.209:8172

162.241.209.225:4125

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/1640-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2108	1640	WerFault.exe	28

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 2288 wrote to memory of 1640	2288	rundll32.exe	28
PID 2288 wrote to memory of 1640	2288	rundll32.exe	28
PID 2288 wrote to memory of 1640	2288	rundll32.exe	28
PID 2288 wrote to memory of 1640	2288	rundll32.exe	28
PID 2288 wrote to memory of 1640	2288	rundll32.exe	28
PID 2288 wrote to memory of 1640	2288	rundll32.exe	28
PID 2288 wrote to memory of 1640	2288	rundll32.exe	28
PID 1640 wrote to memory of 2108	1640	rundll32.exe	29
PID 1640 wrote to memory of 2108	1640	rundll32.exe	29
PID 1640 wrote to memory of 2108	1640	rundll32.exe	29
PID 1640 wrote to memory of 2108	1640	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\74628a15a004d03894cf6c5113211c5c72c4a7560800a018803e8b62aa3db1dc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\74628a15a004d03894cf6c5113211c5c72c4a7560800a018803e8b62aa3db1dc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 236
    3⤵
    - Program crash
    PID:2108

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/1640-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1640-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1640-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download