dridex | 7f8bdba39477d6b3e030cc2476bb791b7b3641091fe906cbddfb10a18ce487ec

Analysis

max time kernel
23s
max time network
119s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 00:36

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General

Target

7f8bdba39477d6b3e030cc2476bb791b7b3641091fe906cbddfb10a18ce487ec.dll
Size

174KB
MD5

8a555638c82447fcf7ffd00ccfaccd02
SHA1

05b294cacd83bbe97dea3b0c769c3bafe2652a47
SHA256

7f8bdba39477d6b3e030cc2476bb791b7b3641091fe906cbddfb10a18ce487ec
SHA512

702e1bc9a17630c9333b0699776d3de4144670078cf8d055225bac4856ddcfbe593ba5d2c27a49b0a706263c39e6470e76ab2c126fd288d063b1ab1614cb0da5

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/504-115-0x0000000073A90000-0x0000000073AC0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3328 504 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3328	504	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3328	WerFault.exe
3328	WerFault.exe
3328	WerFault.exe
3328	WerFault.exe
3328	WerFault.exe
3328	WerFault.exe
3328	WerFault.exe
3328	WerFault.exe
3328	WerFault.exe
3328	WerFault.exe
3328	WerFault.exe
3328	WerFault.exe
3328	WerFault.exe
3328	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3328 WerFault.exe
Token: SeBackupPrivilege 3328 WerFault.exe
Token: SeDebugPrivilege 3328 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3328	WerFault.exe
Token: SeBackupPrivilege	3328	WerFault.exe
Token: SeDebugPrivilege	3328	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 512 wrote to memory of 504	512	rundll32.exe	rundll32.exe
PID 512 wrote to memory of 504	512	rundll32.exe	rundll32.exe
PID 512 wrote to memory of 504	512	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f8bdba39477d6b3e030cc2476bb791b7b3641091fe906cbddfb10a18ce487ec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:512

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f8bdba39477d6b3e030cc2476bb791b7b3641091fe906cbddfb10a18ce487ec.dll,#1
2⤵
PID:504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 504 -s 648
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3328

MITRE ATT&CK Matrix

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Downloads

memory/504-114-0x0000000000000000-mapping.dmp

Download
memory/504-115-0x0000000073A90000-0x0000000073AC0000-memory.dmp

Filesize
192KB

Download
memory/504-117-0x00000000001E0000-0x00000000001E6000-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