dridex | 7bcf3883839114911952ceadda87f5b18faf6e3739fc039353621d03e06ecedf

Analysis

max time kernel
24s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 22:37

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General

Target

7bcf3883839114911952ceadda87f5b18faf6e3739fc039353621d03e06ecedf.dll
Size

160KB
MD5

640badb0a5bddae2b289db79dc494285
SHA1

27d25bf291600bd05f69765036d6ee32e31b720b
SHA256

7bcf3883839114911952ceadda87f5b18faf6e3739fc039353621d03e06ecedf
SHA512

f0738780d1545f97e54c35557980deb3f25d2741cbe93f877ac9f6eb0d2165d5e6db5739e1ca6e3c2a34a8edf63c2016ca620a7126e0630692e39529de1cfcf2

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/3808-115-0x0000000073B80000-0x0000000073BAE000-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 772 wrote to memory of 3808	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 3808	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 3808	772	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7bcf3883839114911952ceadda87f5b18faf6e3739fc039353621d03e06ecedf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:772

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7bcf3883839114911952ceadda87f5b18faf6e3739fc039353621d03e06ecedf.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3808

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3808-114-0x0000000000000000-mapping.dmp

Download
memory/3808-115-0x0000000073B80000-0x0000000073BAE000-memory.dmp

Filesize
184KB

Download
memory/3808-117-0x00000000026B0000-0x00000000026B6000-memory.dmp

Filesize
24KB

Download