dridex | ab5e72373919ad550194fa484cee606934efff4632ece8dde5ca85586f345c50

Analysis

max time kernel
19s
max time network
116s
platform
windows10_x64
resource
win10v20210410
submitted
22-06-2021 09:21

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General

Target

ab5e72373919ad550194fa484cee606934efff4632ece8dde5ca85586f345c50.dll
Size

160KB
MD5

6a588db915d6d119caaa1c4f95b48ba6
SHA1

7cdee02ca84af8fb2cb082d9b5fb2df6113211f9
SHA256

ab5e72373919ad550194fa484cee606934efff4632ece8dde5ca85586f345c50
SHA512

4cc5fe528f5bb1a9064efa47af1f9491a0eee060e65467e8aeb1a5bb788819eac2faf0fdb690906c38a75cdf31271d68c1df95bcb9e96fa287eab9f8aaec9d54

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/3220-115-0x00000000736D0000-0x00000000736FE000-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 3560 wrote to memory of 3220	3560	rundll32.exe	rundll32.exe
PID 3560 wrote to memory of 3220	3560	rundll32.exe	rundll32.exe
PID 3560 wrote to memory of 3220	3560	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab5e72373919ad550194fa484cee606934efff4632ece8dde5ca85586f345c50.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3560

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab5e72373919ad550194fa484cee606934efff4632ece8dde5ca85586f345c50.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3220

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/3220-114-0x0000000000000000-mapping.dmp

Download
memory/3220-115-0x00000000736D0000-0x00000000736FE000-memory.dmp

Filesize
184KB

Download
memory/3220-117-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download