dridex | 77e7859e269fd411377cd45b9403e0a51a79d01239e895be41528c43c31fd9f6

Analysis

max time kernel
26s
max time network
122s
platform
windows10_x64
resource
win10v20210408
submitted
25-06-2021 08:53

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General

Target

77e7859e269fd411377cd45b9403e0a51a79d01239e895be41528c43c31fd9f6.dll
Size

160KB
MD5

6e46d7135be892c300e52f8f92e16cb8
SHA1

6ab1398f0acfa17b1a1ad7a82b85f8184cf7e9cb
SHA256

77e7859e269fd411377cd45b9403e0a51a79d01239e895be41528c43c31fd9f6
SHA512

48ce570da39c92779116cb14dade0f2cb75fa854749587b317dd7a625e3553d34e074e2333fc70eb0ccfba3097fc68c9cddf3dc3f54df02a74ed9391d8556916

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/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 3492 wrote to memory of 3884	3492	rundll32.exe	rundll32.exe
PID 3492 wrote to memory of 3884	3492	rundll32.exe	rundll32.exe
PID 3492 wrote to memory of 3884	3492	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\77e7859e269fd411377cd45b9403e0a51a79d01239e895be41528c43c31fd9f6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3492

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\77e7859e269fd411377cd45b9403e0a51a79d01239e895be41528c43c31fd9f6.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3884

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/3884-114-0x0000000000000000-mapping.dmp

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

Filesize
184KB

Download
memory/3884-117-0x0000000003350000-0x0000000003356000-memory.dmp

Filesize
24KB

Download