dridex | 19224bfca1af04c5548f61f93877dfdda1194f9a3b018385d72e5bb96cc8b00d

Analysis

max time kernel
150s
max time network
122s
platform
windows10_x64
resource
win10v20210410
submitted
27-07-2021 08:38

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General

Target

hsy_utu8_12u_v4.4.7.0.dll
Size

173KB
MD5

f6d7184a7a5ea749feb9d767ba4ef007
SHA1

fbbf4cd832b2dac5618d953e50a2f285ce529e39
SHA256

19224bfca1af04c5548f61f93877dfdda1194f9a3b018385d72e5bb96cc8b00d
SHA512

e80ee3f1c9f3b6fc4ac8107814a021648d3bd5fd5e0b1d517746f9256d8d3bcd0e633405b931b90c32522b272451d03d1b4d19840fa8700b81f6ec30b5245031

Score

10^/10

dridex 22202 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22202

45.79.33.48:443

139.162.202.74:5007

68.183.216.174:7443

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/2932-115-0x0000000073BF0000-0x0000000073C20000-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 3172 wrote to memory of 2932	3172	rundll32.exe	rundll32.exe
PID 3172 wrote to memory of 2932	3172	rundll32.exe	rundll32.exe
PID 3172 wrote to memory of 2932	3172	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\hsy_utu8_12u_v4.4.7.0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3172

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\hsy_utu8_12u_v4.4.7.0.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2932

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/2932-114-0x0000000000000000-mapping.dmp

Download
memory/2932-115-0x0000000073BF0000-0x0000000073C20000-memory.dmp

Filesize
192KB

Download
memory/2932-117-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download