dridex | 7f4a3760ab73205b9f6ccd180dd168488a75f481ba031d3d9ff7427adac6a993

Analysis

max time kernel
42s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-09-2024 16:32

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General

Target

7f4a3760ab73205b9f6ccd180dd168488a75f481ba031d3d9ff7427adac6a993.dll
Size

180KB
MD5

620bd0050befed7c225f47c3f22f7f1d
SHA1

628a071a3515e3e857264115865a4be0ee46dabb
SHA256

7f4a3760ab73205b9f6ccd180dd168488a75f481ba031d3d9ff7427adac6a993
SHA512

48c49e05621f0833e4990d6e435654e2299eac81760e78e732071c40d5485662f8901ddf3389fd04053b3f7b1a7e82481d7d36873894f814720983396b5f6d7e
SSDEEP

3072:Y3U+o/fwAUfM8+NmXhjlAZ+SWlxT5H3zipQIoZeErkxUNBG0:cUZYxfM8+YXfq+SOxTxjipQjzk3

Score

10^/10

dridex 111 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

111

94.126.8.2:443

81.2.235.131:1688

178.63.156.139:3388

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2756-0-0x0000000074E30000-0x0000000074E5E000-memory.dmp	dridex_ldr
behavioral1/memory/2756-2-0x0000000074E30000-0x0000000074E5E000-memory.dmp	dridex_ldr

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 2792 wrote to memory of 2756	2792	rundll32.exe	30
PID 2792 wrote to memory of 2756	2792	rundll32.exe	30
PID 2792 wrote to memory of 2756	2792	rundll32.exe	30
PID 2792 wrote to memory of 2756	2792	rundll32.exe	30
PID 2792 wrote to memory of 2756	2792	rundll32.exe	30
PID 2792 wrote to memory of 2756	2792	rundll32.exe	30
PID 2792 wrote to memory of 2756	2792	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f4a3760ab73205b9f6ccd180dd168488a75f481ba031d3d9ff7427adac6a993.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f4a3760ab73205b9f6ccd180dd168488a75f481ba031d3d9ff7427adac6a993.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2756

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/2756-0-0x0000000074E30000-0x0000000074E5E000-memory.dmp

Filesize
184KB

Download
memory/2756-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2756-2-0x0000000074E30000-0x0000000074E5E000-memory.dmp

Filesize
184KB

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