dridex | ae9628344dfef9e22d8bb19fd5001329640ec5573c5503e3ae99788ef7b58f1c

Analysis

max time kernel
7s
max time network
63s
platform
windows7_x64
resource
win7v20201028
submitted
18-11-2020 12:10

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General

Target

ugm5wtx2gif.dll
Size

539KB
MD5

6972a8146a738570e6443ba8b75af1bb
SHA1

480043a771ac2bdde19b0177a0f7ce5db428e8c7
SHA256

ae9628344dfef9e22d8bb19fd5001329640ec5573c5503e3ae99788ef7b58f1c
SHA512

4120227d0fd105d3e7a28a39f151036121ce84ed78cd7a846f133c7ea4e47fc58cf0f102d1e6ba1dc97fcff318597e3d77548822384c4c2603680dacac809f35

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

162.241.44.26:9443

192.232.229.53:4443

77.220.64.34:443

193.90.12.121:3098

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/2016-1-0x0000000000200000-0x000000000023D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

3 2016 rundll32.exe
6 2016 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

flow	pid	process
3	2016	rundll32.exe
6	2016	rundll32.exe

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1732 wrote to memory of 2016	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 2016	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 2016	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 2016	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 2016	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 2016	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 2016	1732	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ugm5wtx2gif.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ugm5wtx2gif.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2016

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1360-2-0x000007FEF7EB0000-0x000007FEF812A000-memory.dmp

Filesize
2.5MB

Download
memory/2016-0-0x0000000000000000-mapping.dmp

Download
memory/2016-1-0x0000000000200000-0x000000000023D000-memory.dmp

Filesize
244KB

Download