dridex | 21c7dbe42a69bf51c8e0dbb985afb18520fbc8184ea714b8ff001429a9abaa83

Analysis

max time kernel
39s
max time network
17s
platform
windows7_x64
resource
win7v20210410
submitted
11-05-2021 13:03

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General

Target

4b6eea3d_by_Libranalysis.dll
Size

162KB
MD5

4b6eea3dca1b380025e1f20fdea20edb
SHA1

17bdf6effdb89deb63326dda7e2e5cb8f59006c5
SHA256

21c7dbe42a69bf51c8e0dbb985afb18520fbc8184ea714b8ff001429a9abaa83
SHA512

8dc2840ad0008e818f3b84f5b20bef63d906912ac58cdd7e04c89be2f5b9d0467d6fb29dc25f99e98a0c915eddb0a1b9a056d69713c3cca9802292824d5155e3

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/1152-62-0x0000000074610000-0x000000007463E000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1888 wrote to memory of 1152	1888	rundll32.exe	rundll32.exe
PID 1888 wrote to memory of 1152	1888	rundll32.exe	rundll32.exe
PID 1888 wrote to memory of 1152	1888	rundll32.exe	rundll32.exe
PID 1888 wrote to memory of 1152	1888	rundll32.exe	rundll32.exe
PID 1888 wrote to memory of 1152	1888	rundll32.exe	rundll32.exe
PID 1888 wrote to memory of 1152	1888	rundll32.exe	rundll32.exe
PID 1888 wrote to memory of 1152	1888	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b6eea3d_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1888

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b6eea3d_by_Libranalysis.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1152

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/1152-60-0x0000000000000000-mapping.dmp

Download
memory/1152-61-0x0000000075161000-0x0000000075163000-memory.dmp

Filesize
8KB

Download
memory/1152-62-0x0000000074610000-0x000000007463E000-memory.dmp

Filesize
184KB

Download
memory/1152-64-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download