dridex | 3e05f0efff6972db49baf54d474642cd074fcbf1e66ce1ddc2498cfe126e5c96

Analysis

max time kernel
24s
max time network
88s
platform
windows10_x64
resource
win10v20210408
submitted
10-08-2021 05:51

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General

Target

3e05f0efff6972db49baf54d474642cd074fcbf1e66ce1ddc2498cfe126e5c96.dll
Size

184KB
MD5

11800a586efc51695050b65d01965788
SHA1

64831edd8c2f12b2373d3e455264a65538cc139c
SHA256

3e05f0efff6972db49baf54d474642cd074fcbf1e66ce1ddc2498cfe126e5c96
SHA512

e00c2fbc3d318df6eae815abe3f2ac80ad0d1f1d78d0ad778be2a2c95d345f570370295fde04edfb4ad3e36f6532081230d1e93c39eac2de99a8c9b15e85626a

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/1284-115-0x0000000074350000-0x0000000074380000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

940 1284 WerFault.exe rundll32.exe

pid	pid_target	process	target process
940	1284	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
940	WerFault.exe
940	WerFault.exe
940	WerFault.exe
940	WerFault.exe
940	WerFault.exe
940	WerFault.exe
940	WerFault.exe
940	WerFault.exe
940	WerFault.exe
940	WerFault.exe
940	WerFault.exe
940	WerFault.exe
940	WerFault.exe
940	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 940 WerFault.exe
Token: SeBackupPrivilege 940 WerFault.exe
Token: SeDebugPrivilege 940 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	940	WerFault.exe
Token: SeBackupPrivilege	940	WerFault.exe
Token: SeDebugPrivilege	940	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 652 wrote to memory of 1284	652	rundll32.exe	rundll32.exe
PID 652 wrote to memory of 1284	652	rundll32.exe	rundll32.exe
PID 652 wrote to memory of 1284	652	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e05f0efff6972db49baf54d474642cd074fcbf1e66ce1ddc2498cfe126e5c96.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:652

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e05f0efff6972db49baf54d474642cd074fcbf1e66ce1ddc2498cfe126e5c96.dll,#1
2⤵
PID:1284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 620
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:940

MITRE ATT&CK Matrix

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Downloads

memory/1284-114-0x0000000000000000-mapping.dmp

Download
memory/1284-115-0x0000000074350000-0x0000000074380000-memory.dmp

Filesize
192KB

Download
memory/1284-117-0x0000000000550000-0x000000000069A000-memory.dmp

Filesize
1.3MB

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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