dridex | 744dc91773ed8445eab338eafb2dfc299c0c9a95bd5d8cc15fb4ca3568a58534

Analysis

max time kernel
24s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 00:36

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General

Target

744dc91773ed8445eab338eafb2dfc299c0c9a95bd5d8cc15fb4ca3568a58534.dll
Size

174KB
MD5

7093fe7be6598c49f97d36228776a1d9
SHA1

80c7325d04eb9d0790c9d071e14f82a09c8bb190
SHA256

744dc91773ed8445eab338eafb2dfc299c0c9a95bd5d8cc15fb4ca3568a58534
SHA512

efd071a1f15019f2d8cef236bc7d012aff6885cbc073bdad1ababf30bfaec8d03189d8e9826fb450832f2009bc2d956032c37b000737592583381b10fc97f712

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/1632-115-0x0000000074400000-0x0000000074430000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1368 1632 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1368	1632	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1368	WerFault.exe
1368	WerFault.exe
1368	WerFault.exe
1368	WerFault.exe
1368	WerFault.exe
1368	WerFault.exe
1368	WerFault.exe
1368	WerFault.exe
1368	WerFault.exe
1368	WerFault.exe
1368	WerFault.exe
1368	WerFault.exe
1368	WerFault.exe
1368	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1368 WerFault.exe
Token: SeBackupPrivilege 1368 WerFault.exe
Token: SeDebugPrivilege 1368 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1368	WerFault.exe
Token: SeBackupPrivilege	1368	WerFault.exe
Token: SeDebugPrivilege	1368	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 784 wrote to memory of 1632	784	rundll32.exe	rundll32.exe
PID 784 wrote to memory of 1632	784	rundll32.exe	rundll32.exe
PID 784 wrote to memory of 1632	784	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\744dc91773ed8445eab338eafb2dfc299c0c9a95bd5d8cc15fb4ca3568a58534.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:784

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\744dc91773ed8445eab338eafb2dfc299c0c9a95bd5d8cc15fb4ca3568a58534.dll,#1
2⤵
PID:1632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1632 -s 644
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1368

MITRE ATT&CK Matrix

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Downloads

memory/1632-114-0x0000000000000000-mapping.dmp

Download
memory/1632-115-0x0000000074400000-0x0000000074430000-memory.dmp

Filesize
192KB

Download
memory/1632-117-0x00000000003F0000-0x00000000003F6000-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