Analysis
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max time kernel
141s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04-03-2024 03:49
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b1250f72b0216c1e93383a733f5821e5.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
b1250f72b0216c1e93383a733f5821e5.dll
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Size
188KB
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MD5
b1250f72b0216c1e93383a733f5821e5
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SHA1
45ad2c1c0122f14a55b2dd3e7a800b4f7cf96c06
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SHA256
9523b7f2526141e1dcb8695f99d4b3b5503659d7c011d5ba87d9a7e944ba5145
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SHA512
8cff9951ece72b127f43a8feb9a1b4b8160933bd7d908c945a4d57e8b5b59ca978340745216af680c928451cd034072ac820fdab2d74a7b9557d8fa26a7cb96e
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SSDEEP
3072:lH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViWZ7dU:lUua/Pv7YNhRIEZDeXVpAxtMsxK
Malware Config
Extracted
Family
dridex
Botnet
22201
C2
103.82.248.59:443
54.39.98.141:6602
103.109.247.8:10443
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral1/memory/2216-0-0x0000000074B20000-0x0000000074B50000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 2492 2216 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2184 wrote to memory of 2216 2184 rundll32.exe 28 PID 2184 wrote to memory of 2216 2184 rundll32.exe 28 PID 2184 wrote to memory of 2216 2184 rundll32.exe 28 PID 2184 wrote to memory of 2216 2184 rundll32.exe 28 PID 2184 wrote to memory of 2216 2184 rundll32.exe 28 PID 2184 wrote to memory of 2216 2184 rundll32.exe 28 PID 2184 wrote to memory of 2216 2184 rundll32.exe 28 PID 2216 wrote to memory of 2492 2216 rundll32.exe 29 PID 2216 wrote to memory of 2492 2216 rundll32.exe 29 PID 2216 wrote to memory of 2492 2216 rundll32.exe 29 PID 2216 wrote to memory of 2492 2216 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1250f72b0216c1e93383a733f5821e5.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1250f72b0216c1e93383a733f5821e5.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2216 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 3083⤵
- Program crash
PID:2492
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