dridex | ea67a5e7103f219bb90bd81baa0e8f1e6b2508af8f763149c6da631c12d4e4be

Analysis

max time kernel
24s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
11-05-2021 12:03

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General

Target

2c5c9dd6_by_Libranalysis.dll
Size

162KB
MD5

2c5c9dd6d93592669f5825a7802745bf
SHA1

d5ceda3850d2408071546f1201f7ffbe03b95896
SHA256

ea67a5e7103f219bb90bd81baa0e8f1e6b2508af8f763149c6da631c12d4e4be
SHA512

f231dfc6fd2b8d357251ef44e50074d638e37e505faf0a5ef2200d6f2006ea92da25cfcb318f00ce050951884070a3fb29a13b9fcb96e7eb3d87e2747392ef5d

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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
behavioral2/memory/3432-115-0x00000000741E0000-0x000000007420E000-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 1016 wrote to memory of 3432	1016	rundll32.exe	rundll32.exe
PID 1016 wrote to memory of 3432	1016	rundll32.exe	rundll32.exe
PID 1016 wrote to memory of 3432	1016	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c5c9dd6_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1016

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c5c9dd6_by_Libranalysis.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3432

Network

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/3432-114-0x0000000000000000-mapping.dmp

Download
memory/3432-115-0x00000000741E0000-0x000000007420E000-memory.dmp

Filesize
184KB

Download
memory/3432-117-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

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