dridex | 68f4f53b7c00ffbc6fe3c8df3f1488a3d43fd800414a76e274812e8e1e57ff8a

Analysis

max time kernel
124s
max time network
124s
platform
windows7_x64
resource
win7v20201028
submitted
24/02/2021, 15:31

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General

Target
68f4f53b7c00ffbc6fe3c8df3f1488a3d43fd800414a76e274812e8e1e57ff8a.dll
Size 188KB
Sample210224-rd7se4el2a
SHA256 68f4f53b7c00ffbc6fe3c8df3f1488a3d43fd800414a76e274812e8e1e57ff8a
MD5 bbc0a26140aac7f4bd603dc17ec56801
SHA1 1e0da56ba8674e0742376d156b1c0d25e0984d16
SHA512 3154e43ff0425487de0d3753256fc39fd555794ef07085c7daaba017a0608a4776a665c6fe305ebd80997f49414b23c7855447555ff2f8c9f0528578cd0de29a
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

209.151.236.42:443
91.121.94.86:8172
5.189.144.136:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1952-5-0x0000000075340000-0x0000000075371000-memory.dmp	dridex_ldr
behavioral1/memory/1952-7-0x0000000075340000-0x000000007535F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	1952	rundll32.exe
7	1952	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 1952	1684	rundll32.exe	25
PID 1684 wrote to memory of 1952	1684	rundll32.exe	25
PID 1684 wrote to memory of 1952	1684	rundll32.exe	25
PID 1684 wrote to memory of 1952	1684	rundll32.exe	25
PID 1684 wrote to memory of 1952	1684	rundll32.exe	25
PID 1684 wrote to memory of 1952	1684	rundll32.exe	25
PID 1684 wrote to memory of 1952	1684	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\68f4f53b7c00ffbc6fe3c8df3f1488a3d43fd800414a76e274812e8e1e57ff8a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\68f4f53b7c00ffbc6fe3c8df3f1488a3d43fd800414a76e274812e8e1e57ff8a.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1952

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1296-8-0x000007FEF68D0000-0x000007FEF6B4A000-memory.dmp

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memory/1952-3-0x00000000756A1000-0x00000000756A3000-memory.dmp

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memory/1952-4-0x0000000074FD0000-0x0000000075173000-memory.dmp

Download

memory/1952-5-0x0000000075340000-0x0000000075371000-memory.dmp

Download

memory/1952-6-0x00000000001E0000-0x00000000001E6000-memory.dmp

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memory/1952-7-0x0000000075340000-0x000000007535F000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads