dridex | e4ec21048c56c5cddfd6e40607993f1077e5c6618025fd7b0a0d81f3869b2769

Analysis

max time kernel
18s
max time network
139s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 11:37

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General

Target

e4ec21048c56c5cddfd6e40607993f1077e5c6618025fd7b0a0d81f3869b2769.dll
Size

162KB
MD5

82e118f1259556dd481ef5f3fd1de1fb
SHA1

15b0149961fae40d00860faa1df3d968615d0386
SHA256

e4ec21048c56c5cddfd6e40607993f1077e5c6618025fd7b0a0d81f3869b2769
SHA512

d0adce4254d77c1303060dba7aa0af89135d54a402a46e0d7b58d05d8dc6b3d321fea9d7476ea5432f5a244b88b4de92f4b93b1d3a72b1ab75544de25954eb75

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/1768-115-0x00000000736B0000-0x00000000736DE000-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 3680 wrote to memory of 1768	3680	rundll32.exe	rundll32.exe
PID 3680 wrote to memory of 1768	3680	rundll32.exe	rundll32.exe
PID 3680 wrote to memory of 1768	3680	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4ec21048c56c5cddfd6e40607993f1077e5c6618025fd7b0a0d81f3869b2769.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3680

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4ec21048c56c5cddfd6e40607993f1077e5c6618025fd7b0a0d81f3869b2769.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1768

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/1768-114-0x0000000000000000-mapping.dmp

Download
memory/1768-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Filesize
184KB

Download
memory/1768-117-0x0000000003000000-0x0000000003006000-memory.dmp

Filesize
24KB

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