emotet | b2b704539498d2c4f037a360a1c9f376fb73bf41a90fb86d5a448687f719efb2

Analysis

max time kernel
27s
max time network
29s
platform
windows10_x64
resource
win10v200722
submitted
29-07-2020 02:31

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General

Target

b2b704539498d2c4f037a360a1c9f376fb73bf41a90fb86d5a448687f719efb2.exe
Size

668KB
MD5

a17881accfca352d3d37c4e1bd2e3e3e
SHA1

aa63a93720dbfd255dda2eea1d0fda093758a8f8
SHA256

b2b704539498d2c4f037a360a1c9f376fb73bf41a90fb86d5a448687f719efb2
SHA512

ecd64646c861bdd82ab28871461dbe00416d1f75ef4bfd8448d9b0f8333647bff9efadafe0b810d52155a68eed63221e9c85c291ecb94bb04add82251b9d9aa6

Score

10^/10

trojan banker emotet

Malware Config

Extracted

Family

emotet

76.27.179.47:80

212.51.142.238:8080

189.212.199.126:443

61.19.246.238:443

162.154.38.103:80

91.211.88.52:7080

83.110.223.58:443

124.45.106.173:443

116.203.32.252:8080

109.117.53.230:443

5.196.74.210:8080

75.139.38.211:80

168.235.67.138:7080

176.111.60.55:8080

169.239.182.217:8080

74.208.45.104:8080

31.31.77.83:443

222.214.218.37:4143

37.139.21.175:8080

91.205.215.66:443

rsa_pubkey.plain

Signatures

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 644	2584	b2b704539498d2c4f037a360a1c9f376fb73bf41a90fb86d5a448687f719efb2.exe	66
PID 2584 wrote to memory of 644	2584	b2b704539498d2c4f037a360a1c9f376fb73bf41a90fb86d5a448687f719efb2.exe	66
PID 2584 wrote to memory of 644	2584	b2b704539498d2c4f037a360a1c9f376fb73bf41a90fb86d5a448687f719efb2.exe	66

Executes dropped EXE 1 IoCs

pid	Process
644	RdpSaPs.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
644	RdpSaPs.exe
644	RdpSaPs.exe
644	RdpSaPs.exe
644	RdpSaPs.exe

Emotet Payload 2 IoCs

Detects Emotet payload in memory.

resource	yara_rule
behavioral1/memory/2584-0-0x0000000002210000-0x000000000221C000-memory.dmp	emotet
behavioral1/memory/644-3-0x0000000000550000-0x000000000055C000-memory.dmp	emotet

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\EmailApis\RdpSaPs.exe	b2b704539498d2c4f037a360a1c9f376fb73bf41a90fb86d5a448687f719efb2.exe

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2584	b2b704539498d2c4f037a360a1c9f376fb73bf41a90fb86d5a448687f719efb2.exe
2584	b2b704539498d2c4f037a360a1c9f376fb73bf41a90fb86d5a448687f719efb2.exe
644	RdpSaPs.exe
644	RdpSaPs.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2584	b2b704539498d2c4f037a360a1c9f376fb73bf41a90fb86d5a448687f719efb2.exe

C:\Users\Admin\AppData\Local\Temp\b2b704539498d2c4f037a360a1c9f376fb73bf41a90fb86d5a448687f719efb2.exe
"C:\Users\Admin\AppData\Local\Temp\b2b704539498d2c4f037a360a1c9f376fb73bf41a90fb86d5a448687f719efb2.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: RenamesItself
PID:2584
- C:\Windows\SysWOW64\EmailApis\RdpSaPs.exe
  "C:\Windows\SysWOW64\EmailApis\RdpSaPs.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:644

Network

MITRE ATT&CK Matrix

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Downloads

memory/644-3-0x0000000000550000-0x000000000055C000-memory.dmp

Filesize
48KB

Download
memory/2584-0-0x0000000002210000-0x000000000221C000-memory.dmp

Filesize
48KB

Download