dridex | 2d4d37498d13415b59c1887acf7346429aa3411d5081bb545f816548f7ae9d6e

Analysis

max time kernel
23s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 16:52

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General

Target

2d4d37498d13415b59c1887acf7346429aa3411d5081bb545f816548f7ae9d6e.dll
Size

162KB
MD5

511d836cd57f95f3e9aa0e3db8911f94
SHA1

74d2f518c5172c7d16205c576c77af7aca0e2dea
SHA256

2d4d37498d13415b59c1887acf7346429aa3411d5081bb545f816548f7ae9d6e
SHA512

cd6dbe6dc11b2807a112710fc2ea54db604c1af7c6ee0bda75eb9243d1ec88f24047dc56e897542dfa792e9e8f4d6e38e1bf5c6ed8a7bc1405ecaf06d382be91

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
behavioral2/memory/3884-115-0x0000000073560000-0x000000007358E000-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 3920 wrote to memory of 3884	3920	rundll32.exe	rundll32.exe
PID 3920 wrote to memory of 3884	3920	rundll32.exe	rundll32.exe
PID 3920 wrote to memory of 3884	3920	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2d4d37498d13415b59c1887acf7346429aa3411d5081bb545f816548f7ae9d6e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3920

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2d4d37498d13415b59c1887acf7346429aa3411d5081bb545f816548f7ae9d6e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3884

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/3884-114-0x0000000000000000-mapping.dmp

Download
memory/3884-115-0x0000000073560000-0x000000007358E000-memory.dmp

Filesize
184KB

Download
memory/3884-117-0x0000000002750000-0x0000000002756000-memory.dmp

Filesize
24KB

Download