dridex | 84c54cd76f3ac50f2f2e4afa57802d576bc5dd3c92cde50850feb04e02461ba3

Analysis

max time kernel
25s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
21-07-2021 19:48

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General

Target

86a93f39f3390d3c284b99e81e8b1a7d.dll
Size

176KB
MD5

86a93f39f3390d3c284b99e81e8b1a7d
SHA1

7e534c2819b1ce06380afb1bd3a4ee6841fe5878
SHA256

84c54cd76f3ac50f2f2e4afa57802d576bc5dd3c92cde50850feb04e02461ba3
SHA512

54869aee77789544aff1ad81a6aacae75478b668a49a2e11a39157d2149eb161ed4b6b7805f8e47fec0b085fcfbe964f6e53e0a0d30af2eb105d4aeabae18104

Score

10^/10

dridex 22202 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22202

178.238.236.59:443

104.245.52.73:5007

81.0.236.93:13786

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
behavioral2/memory/1624-115-0x0000000073FA0000-0x0000000073FD1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1920 1624 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1920	1624	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe
1920	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1920 WerFault.exe
Token: SeBackupPrivilege 1920 WerFault.exe
Token: SeDebugPrivilege 1920 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1920	WerFault.exe
Token: SeBackupPrivilege	1920	WerFault.exe
Token: SeDebugPrivilege	1920	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 632 wrote to memory of 1624	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 1624	632	rundll32.exe	rundll32.exe
PID 632 wrote to memory of 1624	632	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\86a93f39f3390d3c284b99e81e8b1a7d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:632

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\86a93f39f3390d3c284b99e81e8b1a7d.dll,#1
2⤵
PID:1624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 636
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1920

MITRE ATT&CK Matrix

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Downloads

memory/1624-114-0x0000000000000000-mapping.dmp

Download
memory/1624-115-0x0000000073FA0000-0x0000000073FD1000-memory.dmp

Filesize
196KB

Download
memory/1624-117-0x0000000003290000-0x0000000003296000-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