dridex | e545b2a69c002dc3135f61f94a4e3a753fa1c366f5c34bf89926b7c1340fb762

Analysis

max time kernel
121s
max time network
135s
platform
windows10_x64
resource
win10-en-20210920
submitted
21-10-2021 14:03

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General

Target

e545b2a69c002dc3135f61f94a4e3a753fa1c366f5c34bf89926b7c1340fb762.dll
Size

180KB
MD5

f5049f931e703e1c8d8d9b59312f3d27
SHA1

f409706c7103042ae60cf9388cec235c48ef75ca
SHA256

e545b2a69c002dc3135f61f94a4e3a753fa1c366f5c34bf89926b7c1340fb762
SHA512

4da3538765db19243774315bf645d29de6f9d98512749be91a56bb3fbaf0263fb2cb87fd0319d099531b62a5f76f10ff53e1fa93ff5f78ae923771596fd22acc

Score

10^/10

dridex 22202 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22202

155.138.203.91:443

207.180.220.242:8116

46.101.142.214:6891

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/3744-116-0x00000000744E0000-0x000000007450F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

488 3744 WerFault.exe rundll32.exe

pid	pid_target	process	target process
488	3744	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
488	WerFault.exe
488	WerFault.exe
488	WerFault.exe
488	WerFault.exe
488	WerFault.exe
488	WerFault.exe
488	WerFault.exe
488	WerFault.exe
488	WerFault.exe
488	WerFault.exe
488	WerFault.exe
488	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 488 WerFault.exe
Token: SeBackupPrivilege 488 WerFault.exe
Token: SeDebugPrivilege 488 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	488	WerFault.exe
Token: SeBackupPrivilege	488	WerFault.exe
Token: SeDebugPrivilege	488	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2856 wrote to memory of 3744	2856	rundll32.exe	rundll32.exe
PID 2856 wrote to memory of 3744	2856	rundll32.exe	rundll32.exe
PID 2856 wrote to memory of 3744	2856	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e545b2a69c002dc3135f61f94a4e3a753fa1c366f5c34bf89926b7c1340fb762.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2856

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e545b2a69c002dc3135f61f94a4e3a753fa1c366f5c34bf89926b7c1340fb762.dll,#1
2⤵
PID:3744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 616
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:488

Network

MITRE ATT&CK Matrix

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Downloads

memory/3744-115-0x0000000000000000-mapping.dmp

Download
memory/3744-116-0x00000000744E0000-0x000000007450F000-memory.dmp

Filesize
188KB

Download
memory/3744-118-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download