dridex | d77c04fb901e07e6dd930e541b17d17f968965c8c9a830b58a4558edf006c585

Analysis

max time kernel
22s
max time network
115s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 03:11

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General

Target

d77c04fb901e07e6dd930e541b17d17f968965c8c9a830b58a4558edf006c585.dll
Size

174KB
MD5

b75d1727bdd175fa92190c52a2f0f876
SHA1

b438e3f625e813477aae5c19aacbb8ccea87bc1e
SHA256

d77c04fb901e07e6dd930e541b17d17f968965c8c9a830b58a4558edf006c585
SHA512

83a037cda2124579e1bf8d35003c4bf703af1ee7f835fd6dd72d8965ad21a11e4aef44675852c568710f07d01695688f4c989591afe85c3507919b4dece61916

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

178.128.220.64:30333

45.79.91.89:9987

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/1168-115-0x0000000073ED0000-0x0000000073F00000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

496 1168 WerFault.exe rundll32.exe

pid	pid_target	process	target process
496	1168	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
496	WerFault.exe
496	WerFault.exe
496	WerFault.exe
496	WerFault.exe
496	WerFault.exe
496	WerFault.exe
496	WerFault.exe
496	WerFault.exe
496	WerFault.exe
496	WerFault.exe
496	WerFault.exe
496	WerFault.exe
496	WerFault.exe
496	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 496 WerFault.exe
Token: SeBackupPrivilege 496 WerFault.exe
Token: SeDebugPrivilege 496 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	496	WerFault.exe
Token: SeBackupPrivilege	496	WerFault.exe
Token: SeDebugPrivilege	496	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 852 wrote to memory of 1168	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1168	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1168	852	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d77c04fb901e07e6dd930e541b17d17f968965c8c9a830b58a4558edf006c585.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d77c04fb901e07e6dd930e541b17d17f968965c8c9a830b58a4558edf006c585.dll,#1
2⤵
PID:1168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1168 -s 648
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:496

MITRE ATT&CK Matrix

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Downloads

memory/1168-114-0x0000000000000000-mapping.dmp

Download
memory/1168-115-0x0000000073ED0000-0x0000000073F00000-memory.dmp

Filesize
192KB

Download
memory/1168-117-0x0000000000D20000-0x0000000000D26000-memory.dmp

Filesize
24KB

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads