dridex | 79aebe0f1c20805eb6e26fbf37f709d989c48d20fff1a89ee416e788c916f107

Analysis

max time kernel
25s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
10-08-2021 06:07

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General

Target

79aebe0f1c20805eb6e26fbf37f709d989c48d20fff1a89ee416e788c916f107.dll
Size

184KB
MD5

6622b0239ff4422e204c8e0c820181e1
SHA1

3e85423624d87fa4b7daa7dcf3cebd4aa19c2c60
SHA256

79aebe0f1c20805eb6e26fbf37f709d989c48d20fff1a89ee416e788c916f107
SHA512

60ed78bb22300bf0579aa633fc98447487b2a44a7bd82663d7284147f4c20a38b5ae64ffb15cdb605235702c393e18b24731bbf9942aa145e6407871dab4240f

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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/1040-115-0x0000000074310000-0x0000000074340000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2316 1040 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2316	1040	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2316 WerFault.exe
Token: SeBackupPrivilege 2316 WerFault.exe
Token: SeDebugPrivilege 2316 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2316	WerFault.exe
Token: SeBackupPrivilege	2316	WerFault.exe
Token: SeDebugPrivilege	2316	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 800 wrote to memory of 1040	800	rundll32.exe	rundll32.exe
PID 800 wrote to memory of 1040	800	rundll32.exe	rundll32.exe
PID 800 wrote to memory of 1040	800	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\79aebe0f1c20805eb6e26fbf37f709d989c48d20fff1a89ee416e788c916f107.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:800

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\79aebe0f1c20805eb6e26fbf37f709d989c48d20fff1a89ee416e788c916f107.dll,#1
2⤵
PID:1040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1040 -s 616
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2316

MITRE ATT&CK Matrix

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Downloads

memory/1040-114-0x0000000000000000-mapping.dmp

Download
memory/1040-115-0x0000000074310000-0x0000000074340000-memory.dmp

Filesize
192KB

Download
memory/1040-117-0x00000000004D0000-0x00000000004D6000-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