squirrelwaffle | 8308975ce3092d911742cc0d5b83f17c04a7673fb50d00580429388b7aa0bd27

Resubmissions

21/09/2021, 13:24

210921-qnpvwsccdk10

14/09/2021, 11:19

210914-ne2rzsafbp1

Analysis

max time kernel
90s
max time network
92s
platform
windows10_x64
resource
win10v20210408
submitted
21/09/2021, 13:24

Sharing

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General

Target
090921.dll
Size 367KB
Sample210921-qnpvwsccdk
SHA256 8308975ce3092d911742cc0d5b83f17c04a7673fb50d00580429388b7aa0bd27
MD5 7fcab487b86152ad589d53d936d4c55c
SHA1 7cc03d7e00679fc2ac866860a72d1a78bee37c2a
SHA512 70b0938b07f7695ecb7b69d36bdf8b4bf72ad3ea2282057f0b63bdcd54d619a935aed6da439b779dbf4ba621cdc9a0472cc9bfa97c3fccea126a6ffadcd8c9ff
MD5 SHA1 SHA512

Score

10^/10

squirrelwaffle downloader

Malware Config

Extracted

Family

squirrelwaffle

msrsac.com/nvaaLwe9
u522712.gluweb.nl/n2fshwgq
serverplanner.com/LkkAWHLc8
bengali.iu.ac.bd/xNM4FTUzqRRk
owfix.net/NVNCI3qMl4
pcbsi.com.ph/IcLNSd9sO
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 1 IoCs

Squirrelwaffle Payload

resource	yara_rule
behavioral2/memory/3928-116-0x0000000010000000-0x0000000010067000-memory.dmp	squirrelwaffle

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 3928	3492	regsvr32.exe	68
PID 3492 wrote to memory of 3928	3492	regsvr32.exe	68
PID 3492 wrote to memory of 3928	3492	regsvr32.exe	68

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\090921.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\090921.dll
  2⤵
  PID:3928

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3928-116-0x0000000010000000-0x0000000010067000-memory.dmp

Download

memory/3928-115-0x0000000000230000-0x0000000000231000-memory.dmp