squirrelwaffle | 850497ed0130a5247a6c4650bca0af4be152be4cb88cca142b88df6fed854cd3

Analysis

max time kernel
165s
max time network
195s
platform
windows10_x64
resource
win10-en-20211208
submitted
21/01/2022, 23:34

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General

Target
850497ed0130a5247a6c4650bca0af4be152be4cb88cca142b88df6fed854cd3.dll
Size 375KB
Sample220121-3kmbtadba5
SHA256 850497ed0130a5247a6c4650bca0af4be152be4cb88cca142b88df6fed854cd3
MD5 e9b6075238f35208a15b1da622669107
SHA1 5092693d0456bdcd5ee99999341577af9421ba59
SHA512 4d86acd54ce112774dadd71cce8c4d6f83ebfcc414f583e1e9f861655ec03f45098b60b5ae8177ff6ea8a99b749c5befa8ece52cc92dc60dcff716c7c0dc8bc8
MD5 SHA1 SHA512

Score

10^/10

squirrelwaffle downloader

Malware Config

Extracted

Family

squirrelwaffle

http://msrsac.com/nvaaLwe9
http://u522712.gluweb.nl/n2fshwgq
http://serverplanner.com/LkkAWHLc8
http://bengali.iu.ac.bd/xNM4FTUzqRRk
http://owfix.net/NVNCI3qMl4
http://pcbsi.com.ph/IcLNSd9sO
http://enlacelaboral.com/3cKldxdt

Attributes

blocklist
94.46.179.80

206.189.205.251

88.242.66.45

36.65.102.42

85.75.110.214

93.78.214.187

87.104.3.136

207.244.91.171

49.230.88.160

91.149.252.75

91.149.252.88

92.211.109.152

178.0.250.168

178.203.145.135

88.69.16.230

95.223.77.160

99.234.62.23

2.206.105.223

84.222.8.201

89.183.239.142

93.206.148.216

5.146.132.101

77.7.60.154

45.41.106.122

45.74.72.13

74.58.152.123

88.87.68.197

211.107.25.121

109.70.100.25

185.67.82.114

207.102.138.19

204.101.161.14

193.128.108.251

111.7.100.17

111.7.100.16

74.125.210.62

74.125.210.36

104.244.74.57

185.220.101.145

185.220.101.144

185.220.101.18

185.220.100.246

185.220.101.228

185.220.100.243

185.220.101.229

185.220.101.147

185.220.102.250

94.46.179.80

206.189.205.251

178.255.172.194

84.221.205.40

155.138.242.103

178.212.98.156

85.65.32.191

31.167.184.201

88.242.66.45

36.65.102.42

203.213.127.79

85.75.110.214

93.78.214.187

204.152.81.185

183.171.72.218

168.194.101.130

87.104.3.136

92.211.196.33

197.92.140.125

207.244.91.171

49.230.88.160

196.74.16.153

91.149.252.75

91.149.252.88

92.206.15.202

82.21.114.63

92.211.109.152

178.0.250.168

178.203.145.135

85.210.36.4

199.83.207.72

86.132.134.203

88.69.16.230

99.247.129.88

37.201.195.12

87.140.192.0

88.152.185.188

87.156.177.91

99.229.57.160

95.223.77.160

88.130.54.214

99.234.62.23

2.206.105.223

94.134.179.130

84.221.255.199

84.222.8.201

89.183.239.142

87.158.21.26

93.206.148.216

5.146.132.101

77.7.60.154

95.223.75.85

162.254.173.187

50.99.254.163

45.41.106.122

99.237.13.3

45.74.72.13

108.171.64.202

74.58.152.123

216.209.253.121

88.87.68.197

211.107.25.121

109.70.100.25

185.67.82.114

207.102.138.19

204.101.161.14

193.128.108.251

Signatures

SquirrelWaffle is a simple downloader written in C++.
SquirrelWaffle.
downloader squirrelwaffle

Squirrelwaffle Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2632-119-0x0000000010000000-0x0000000010067000-memory.dmp	squirrelwaffle

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2632	2600	regsvr32.exe	68
PID 2600 wrote to memory of 2632	2600	regsvr32.exe	68
PID 2600 wrote to memory of 2632	2600	regsvr32.exe	68

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\850497ed0130a5247a6c4650bca0af4be152be4cb88cca142b88df6fed854cd3.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\850497ed0130a5247a6c4650bca0af4be152be4cb88cca142b88df6fed854cd3.dll
  2⤵
  PID:2632

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2632-118-0x00000000025C0000-0x00000000025C1000-memory.dmp

Download

memory/2632-119-0x0000000010000000-0x0000000010067000-memory.dmp