emotet | 8a1fd758195c3bd9f89a0634be04585adb2b79d25ebea7e68bbcd8f3ca5e4549

Analysis

max time kernel
30s
max time network
31s
platform
windows10_x64
resource
win10v200722
submitted
29-07-2020 07:24

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General

Target

8a1fd758195c3bd9f89a0634be04585adb2b79d25ebea7e68bbcd8f3ca5e4549.exe
Size

688KB
MD5

ae6858fd04f3654e4f7a2f70de9f6a29
SHA1

b1f64fb13ece9736d7faa5981153aef39663d051
SHA256

8a1fd758195c3bd9f89a0634be04585adb2b79d25ebea7e68bbcd8f3ca5e4549
SHA512

4810252cf12e6c1652cde64f6f3304e6d6f0b1a261e273887729ce5d59a420a1afd00b868e032e0e5ac85b893fcc58412ef02f299167849eddf513ec0f80add7

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

Executes dropped EXE 1 IoCs

pid	Process
364	efsext.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
364	efsext.exe
364	efsext.exe
364	efsext.exe
364	efsext.exe

Emotet Payload 2 IoCs

Detects Emotet payload in memory.

resource	yara_rule
behavioral1/memory/728-0-0x00000000022A0000-0x00000000022AC000-memory.dmp	emotet
behavioral1/memory/364-3-0x0000000000640000-0x000000000064C000-memory.dmp	emotet

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\msdelta\efsext.exe	8a1fd758195c3bd9f89a0634be04585adb2b79d25ebea7e68bbcd8f3ca5e4549.exe

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

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
728	8a1fd758195c3bd9f89a0634be04585adb2b79d25ebea7e68bbcd8f3ca5e4549.exe
728	8a1fd758195c3bd9f89a0634be04585adb2b79d25ebea7e68bbcd8f3ca5e4549.exe
364	efsext.exe
364	efsext.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
728	8a1fd758195c3bd9f89a0634be04585adb2b79d25ebea7e68bbcd8f3ca5e4549.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 728 wrote to memory of 364	728	8a1fd758195c3bd9f89a0634be04585adb2b79d25ebea7e68bbcd8f3ca5e4549.exe	67
PID 728 wrote to memory of 364	728	8a1fd758195c3bd9f89a0634be04585adb2b79d25ebea7e68bbcd8f3ca5e4549.exe	67
PID 728 wrote to memory of 364	728	8a1fd758195c3bd9f89a0634be04585adb2b79d25ebea7e68bbcd8f3ca5e4549.exe	67

C:\Users\Admin\AppData\Local\Temp\8a1fd758195c3bd9f89a0634be04585adb2b79d25ebea7e68bbcd8f3ca5e4549.exe
"C:\Users\Admin\AppData\Local\Temp\8a1fd758195c3bd9f89a0634be04585adb2b79d25ebea7e68bbcd8f3ca5e4549.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:728
- C:\Windows\SysWOW64\msdelta\efsext.exe
  "C:\Windows\SysWOW64\msdelta\efsext.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:364

Network

MITRE ATT&CK Matrix

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Downloads

memory/364-3-0x0000000000640000-0x000000000064C000-memory.dmp

Filesize
48KB

Download
memory/728-0-0x00000000022A0000-0x00000000022AC000-memory.dmp

Filesize
48KB

Download