dridex | 697c14a42d193e833076bdf0bb63313238680248cdfa4af0a9584cc073a46a48

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7v20201028
submitted
24/02/2021, 15:30

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General

Target
697c14a42d193e833076bdf0bb63313238680248cdfa4af0a9584cc073a46a48.dll
Size 188KB
Sample210224-er56fqsct6
SHA256 697c14a42d193e833076bdf0bb63313238680248cdfa4af0a9584cc073a46a48
MD5 5faaa379be883a54c0755c2c0269e5e2
SHA1 fa42d47b2968d61d744c64f509a6a1f3db496c4a
SHA512 cdeaa2cc2d51072e9327e6287787415bda7e10ece67f50a9fc250347220e39496a75a72235f5c3f8dfafcf2f52319f08760f721bc6509fe0be681a8508f9dad8
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/1860-5-0x0000000075380000-0x00000000753B1000-memory.dmp	dridex_ldr
behavioral1/memory/1860-7-0x0000000075380000-0x000000007539F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	1860	rundll32.exe
8	1860	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 528 wrote to memory of 1860	528	rundll32.exe	25
PID 528 wrote to memory of 1860	528	rundll32.exe	25
PID 528 wrote to memory of 1860	528	rundll32.exe	25
PID 528 wrote to memory of 1860	528	rundll32.exe	25
PID 528 wrote to memory of 1860	528	rundll32.exe	25
PID 528 wrote to memory of 1860	528	rundll32.exe	25
PID 528 wrote to memory of 1860	528	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\697c14a42d193e833076bdf0bb63313238680248cdfa4af0a9584cc073a46a48.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\697c14a42d193e833076bdf0bb63313238680248cdfa4af0a9584cc073a46a48.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1860

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/1260-8-0x000007FEF7D40000-0x000007FEF7FBA000-memory.dmp

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memory/1860-3-0x0000000075D01000-0x0000000075D03000-memory.dmp

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memory/1860-4-0x0000000075010000-0x00000000751B3000-memory.dmp

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memory/1860-5-0x0000000075380000-0x00000000753B1000-memory.dmp

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memory/1860-6-0x00000000001C0000-0x00000000001C6000-memory.dmp

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memory/1860-7-0x0000000075380000-0x000000007539F000-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