dridex | f2e603061682c9efc415808466641582acaca10b1a5dbb2bb800a6298b977139

Analysis

max time kernel
94s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-09-2024 12:27

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General

Target

f88dd9ea16e9c69978cc4411a80454c0N.dll
Size

179KB
MD5

f88dd9ea16e9c69978cc4411a80454c0
SHA1

303f2e5b58f216646f3151b56cd2df88591395c3
SHA256

f2e603061682c9efc415808466641582acaca10b1a5dbb2bb800a6298b977139
SHA512

85caea300bfc2433c308b7ff5d9edac3a949ec464a248cd56d3acd633ab7de8e981511e5c2fc3b272cba862ed1891abd9c0d0d40dd5490530f08dd013737f345
SSDEEP

3072:OWX2IjzzpM+PncPeY8+O3AU3HRIHPh3UGfXy0BHNkIv/ScbQQ2y0iNM0+y+N0tcc:O42IfzNPnoeY8j3AsHGPXpHNj6rByM36

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/740-0-0x0000000075460000-0x000000007548E000-memory.dmp	dridex_ldr
behavioral1/memory/740-3-0x0000000075460000-0x000000007548E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

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 2100 wrote to memory of 740	2100	rundll32.exe	31
PID 2100 wrote to memory of 740	2100	rundll32.exe	31
PID 2100 wrote to memory of 740	2100	rundll32.exe	31
PID 2100 wrote to memory of 740	2100	rundll32.exe	31
PID 2100 wrote to memory of 740	2100	rundll32.exe	31
PID 2100 wrote to memory of 740	2100	rundll32.exe	31
PID 2100 wrote to memory of 740	2100	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f88dd9ea16e9c69978cc4411a80454c0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f88dd9ea16e9c69978cc4411a80454c0N.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/740-0-0x0000000075460000-0x000000007548E000-memory.dmp

Filesize
184KB

Download
memory/740-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/740-3-0x0000000075460000-0x000000007548E000-memory.dmp

Filesize
184KB

Download