dridex | 9f38af84820dc29e805029409bbb2a5765036775973e3898b6db1f66c1b47270

Resubmissions

26/11/2020, 08:55

201126-72ql95fj7a10

26/11/2020, 04:06

201126-vwbe2np51s10

Analysis

max time kernel
496s
max time network
498s
platform
windows7_x64
resource
win7v20201028
submitted
26/11/2020, 08:55

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General

Target
nsetldk.dll
Size 630KB
Sample201126-72ql95fj7a
SHA256 9f38af84820dc29e805029409bbb2a5765036775973e3898b6db1f66c1b47270
MD5 3ce5469a7a34b52cc10fd3f17c29b3a5
SHA1 d6b121e7a8ed0e94c2e89e33ea6828290f858e90
SHA512 6e9746d0377d6a5d09ee0d8cc7cb8660443420868e6be21cb587293b4869fc45793a55a9c6d44b46fce7dcbb722535954882dd6f4f126448b1f03e56fb916bb2
MD5 SHA1 SHA512

Score

10^/10

dridex 10555 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

10555

194.225.58.216:443
178.254.40.132:691
216.172.165.70:3889
198.57.200.100:3786

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

resource	yara_rule
behavioral1/memory/764-1-0x00000000746A0000-0x00000000746DD000-memory.dmp	dridex_ldr

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 764	1432	regsvr32.exe	26
PID 1432 wrote to memory of 764	1432	regsvr32.exe	26
PID 1432 wrote to memory of 764	1432	regsvr32.exe	26
PID 1432 wrote to memory of 764	1432	regsvr32.exe	26
PID 1432 wrote to memory of 764	1432	regsvr32.exe	26
PID 1432 wrote to memory of 764	1432	regsvr32.exe	26
PID 1432 wrote to memory of 764	1432	regsvr32.exe	26

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\nsetldk.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\nsetldk.dll
  2⤵
  PID:764

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/764-1-0x00000000746A0000-0x00000000746DD000-memory.dmp

Download

memory/1944-2-0x000007FEF61D0000-0x000007FEF644A000-memory.dmp