dridex | 7e50e4c62a6942c9511ea3fb8c7f279cc3a6d8fc87631f93651e5650472a2365

Analysis

max time kernel
19s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
26-06-2021 09:19

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General

Target

7e50e4c62a6942c9511ea3fb8c7f279cc3a6d8fc87631f93651e5650472a2365.dll
Size

160KB
MD5

33b7d23209de5262cc26dbff3e87a69c
SHA1

829cf9fd887dff12ac86db3af4b4a054a3f9ab59
SHA256

7e50e4c62a6942c9511ea3fb8c7f279cc3a6d8fc87631f93651e5650472a2365
SHA512

8b9d44eb6a35f185f47059a626a0668af6927191fc31e57a44c067fd266533ec3d4f0aef4bd0f76068922d8c64965b967376114ce0d0a1be1fe88b354ca745a9

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/2232-115-0x0000000073660000-0x000000007368E000-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 4092 wrote to memory of 2232	4092	rundll32.exe	rundll32.exe
PID 4092 wrote to memory of 2232	4092	rundll32.exe	rundll32.exe
PID 4092 wrote to memory of 2232	4092	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e50e4c62a6942c9511ea3fb8c7f279cc3a6d8fc87631f93651e5650472a2365.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4092

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e50e4c62a6942c9511ea3fb8c7f279cc3a6d8fc87631f93651e5650472a2365.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2232

Network

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/2232-114-0x0000000000000000-mapping.dmp

Download
memory/2232-115-0x0000000073660000-0x000000007368E000-memory.dmp

Filesize
184KB

Download
memory/2232-117-0x0000000002BE0000-0x0000000002BE6000-memory.dmp

Filesize
24KB

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