dridex | 6141bd51965b81bebe5b5956491e2b6ce172f310344da6ded8a7020559555ecd

Analysis

max time kernel
20s
max time network
118s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 19:21

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General

Target

6141bd51965b81bebe5b5956491e2b6ce172f310344da6ded8a7020559555ecd.dll
Size

160KB
MD5

11732cd34a6b71bdfecc26576f7b1b34
SHA1

3391cb9e5364a54a752d10560d075f348c572337
SHA256

6141bd51965b81bebe5b5956491e2b6ce172f310344da6ded8a7020559555ecd
SHA512

6e21ff0f96d995fa59edc2f360fea7d3b89c624677dcb9accb2a8f97903eff6317c9f1b786f77129c283ae30fe95cb6ec97478a9d1048deaa0ee2c5452c980d3

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/4024-115-0x00000000741E0000-0x000000007420E000-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 4024	1016	rundll32.exe	rundll32.exe
PID 1016 wrote to memory of 4024	1016	rundll32.exe	rundll32.exe
PID 1016 wrote to memory of 4024	1016	rundll32.exe	rundll32.exe

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6141bd51965b81bebe5b5956491e2b6ce172f310344da6ded8a7020559555ecd.dll,#1
1⤵
- Checks whether UAC is enabled
PID:4024

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6141bd51965b81bebe5b5956491e2b6ce172f310344da6ded8a7020559555ecd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1016

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/4024-114-0x0000000000000000-mapping.dmp

Download
memory/4024-115-0x00000000741E0000-0x000000007420E000-memory.dmp

Filesize
184KB

Download
memory/4024-117-0x0000000004620000-0x0000000004626000-memory.dmp

Filesize
24KB

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