dridex | d27e2f65c14658515946fa99eb4ffb853cb92e96f577740644e819b951952ab4

Analysis

max time kernel
20s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
22-06-2021 15:37

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General

Target

d27e2f65c14658515946fa99eb4ffb853cb92e96f577740644e819b951952ab4.dll
Size

160KB
MD5

d777ffbf8a772e3002c0d6e05fa763b9
SHA1

bae0f1f43f8e6fcfb54e6909d2af029f825083cd
SHA256

d27e2f65c14658515946fa99eb4ffb853cb92e96f577740644e819b951952ab4
SHA512

17e6d08b293fe413ad115fe340cf39c215b56c2df2292531713fa6f6173221acd908b5acb0e80972ec30fbf8de7b78f344a54a5d639bb3b9ede1fe6d25729da5

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/3172-115-0x0000000074420000-0x000000007444E000-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 2116 wrote to memory of 3172	2116	rundll32.exe	rundll32.exe
PID 2116 wrote to memory of 3172	2116	rundll32.exe	rundll32.exe
PID 2116 wrote to memory of 3172	2116	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d27e2f65c14658515946fa99eb4ffb853cb92e96f577740644e819b951952ab4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d27e2f65c14658515946fa99eb4ffb853cb92e96f577740644e819b951952ab4.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3172

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/3172-114-0x0000000000000000-mapping.dmp

Download
memory/3172-115-0x0000000074420000-0x000000007444E000-memory.dmp

Filesize
184KB

Download
memory/3172-117-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download