dridex | 74b4902606afc0653419e6af521774dfb689468af87abaf49e71f8aca0aaacbb

Analysis

max time kernel
29s
max time network
68s
platform
windows10_x64
resource
win10v20210408
submitted
23-06-2021 04:31

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General

Target

74b4902606afc0653419e6af521774dfb689468af87abaf49e71f8aca0aaacbb.dll
Size

160KB
MD5

86a9537520c79ab00917b22c46abfe20
SHA1

77c70fb140872f1335b09a5ade0135076d2fe5c3
SHA256

74b4902606afc0653419e6af521774dfb689468af87abaf49e71f8aca0aaacbb
SHA512

a4e17409727417a9697d3427439e4e50ba4052a60a669744c57027a5e4a662efb410a0ba65dab21bd630950d0ae75ec4541277ad70d2d07ddfe8cffda4778edb

Score

10^/10

dridex 40111 botnet 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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/508-115-0x00000000735F0000-0x000000007361E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

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

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 528 wrote to memory of 508	528	rundll32.exe	rundll32.exe
PID 528 wrote to memory of 508	528	rundll32.exe	rundll32.exe
PID 528 wrote to memory of 508	528	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\74b4902606afc0653419e6af521774dfb689468af87abaf49e71f8aca0aaacbb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:528

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\74b4902606afc0653419e6af521774dfb689468af87abaf49e71f8aca0aaacbb.dll,#1
2⤵
- Checks whether UAC is enabled
PID:508

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/508-114-0x0000000000000000-mapping.dmp

Download
memory/508-115-0x00000000735F0000-0x000000007361E000-memory.dmp

Filesize
184KB

Download
memory/508-117-0x0000000002910000-0x0000000002916000-memory.dmp

Filesize
24KB

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