dridex | 5e55bed21d40097b28a4e7eeb0cfbd128c5518b60ba9453bd6ffd7f3d2743114

Analysis

max time kernel
45s
max time network
111s
platform
windows10_x64
resource
win10v200722
submitted
07/09/2020, 14:01

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General

Target
njdfhgeroig.rar.dll
Size 328KB
Sample200907-q9ld3sd7jj
SHA256 5e55bed21d40097b28a4e7eeb0cfbd128c5518b60ba9453bd6ffd7f3d2743114
MD5 740eee666d4306312e619a38914b8755
SHA1 bded0b95f55aa958375102c44f2a62cecbe7fd63
SHA512 09561fd2c03230d6d05a4057e84e343a21dd320cb95a5e0eef787dcadc4b37c05d1d304e342dbe462bf07ed386a8c21a7e50c1c88c20c8def5ad798320169a33
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

10444

45.79.8.25:443
185.201.9.197:9443
217.160.78.166:4664
108.175.9.22:33443

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
behavioral2/memory/484-1-0x00000000736B0000-0x00000000736DC000-memory.dmp	dridex_ldr

Dridex Loader 'dmod' strings 1 IoCs

Detects 'dmod' strings in Dridex loader.

botnet loader

resource	yara_rule
behavioral2/memory/484-1-0x00000000736B0000-0x00000000736DC000-memory.dmp	dridex_ldr_dmod

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat	svchost.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1"	svchost.exe
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 3cb2afd41f85d601	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1344	svchost.exe
Token: SeCreatePagefilePrivilege	1344	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 864 wrote to memory of 484	864	rundll32.exe	66
PID 864 wrote to memory of 484	864	rundll32.exe	66
PID 864 wrote to memory of 484	864	rundll32.exe	66

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\njdfhgeroig.rar.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\njdfhgeroig.rar.dll,#1
  2⤵
  PID:484

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:1344

Network

MITRE ATT&CK Matrix

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Downloads

memory/484-1-0x00000000736B0000-0x00000000736DC000-memory.dmp

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