dridex | fe61e4e462287f1b00bf939d00ed4e397ecff5e0d4ae2c7b735569c265c378e2

Analysis

max time kernel
18s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 09:44

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General

Target

fe61e4e462287f1b00bf939d00ed4e397ecff5e0d4ae2c7b735569c265c378e2.dll
Size

158KB
MD5

85ebac103405d30a0e68f44805641503
SHA1

d73367db7f121cf117e2b1e2b0cf60d71b30fc10
SHA256

fe61e4e462287f1b00bf939d00ed4e397ecff5e0d4ae2c7b735569c265c378e2
SHA512

b43fde720aefcdb3a6436914a17d79505a589f56343eaa557c19c407b7cb901a0bf4236c304783e4c4f19eeb9b53fb0943d559c0892340cfa91c1b60b58095b1

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/2288-115-0x0000000073D70000-0x0000000073D9D000-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 3036 wrote to memory of 2288	3036	rundll32.exe	rundll32.exe
PID 3036 wrote to memory of 2288	3036	rundll32.exe	rundll32.exe
PID 3036 wrote to memory of 2288	3036	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe61e4e462287f1b00bf939d00ed4e397ecff5e0d4ae2c7b735569c265c378e2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3036

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe61e4e462287f1b00bf939d00ed4e397ecff5e0d4ae2c7b735569c265c378e2.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2288

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/2288-114-0x0000000000000000-mapping.dmp

Download
memory/2288-115-0x0000000073D70000-0x0000000073D9D000-memory.dmp

Filesize
180KB

Download
memory/2288-117-0x00000000030A0000-0x000000000314E000-memory.dmp

Filesize
696KB

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