66b1fcba6a77799bf9ad2ede1cd9ffe1dc81ab32fe4e9b568348cd4c12b331e2

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 23:34

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General

Target

071350ec9ff0d2591058ae7145380b87.exe
Size

33KB
MD5

071350ec9ff0d2591058ae7145380b87
SHA1

d8bdb08096cc7736ffae47cbcad530b9740f120d
SHA256

66b1fcba6a77799bf9ad2ede1cd9ffe1dc81ab32fe4e9b568348cd4c12b331e2
SHA512

0b5a36e74c30930c5b771609995b5e52eee38524ab5396f8837e34489f37e767f39463db2dea3831d2a7d6f348f9bb24c1a672cf1191c8367a642a26dc964c19
SSDEEP

768:zk39tyLSxHmw3mTvDTu7e+6qLz4aRkZxCLpd3kyaBhkrIas4uiU9BgmUqh:IN8smw3mTvDye+RWoPUyafkrns4uHOqh

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3552	easysoft.exe
3684	easysoft.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\windows Live Messenger = "easysoft.exe"	071350ec9ff0d2591058ae7145380b87.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5108 set thread context of 2456	5108	071350ec9ff0d2591058ae7145380b87.exe	16
PID 3552 set thread context of 3684	3552	easysoft.exe	98

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\easysoft.exe	071350ec9ff0d2591058ae7145380b87.exe
File opened for modification	C:\Windows\easysoft.exe	071350ec9ff0d2591058ae7145380b87.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 2456	5108	071350ec9ff0d2591058ae7145380b87.exe	16
PID 5108 wrote to memory of 2456	5108	071350ec9ff0d2591058ae7145380b87.exe	16
PID 5108 wrote to memory of 2456	5108	071350ec9ff0d2591058ae7145380b87.exe	16
PID 5108 wrote to memory of 2456	5108	071350ec9ff0d2591058ae7145380b87.exe	16
PID 5108 wrote to memory of 2456	5108	071350ec9ff0d2591058ae7145380b87.exe	16
PID 5108 wrote to memory of 2456	5108	071350ec9ff0d2591058ae7145380b87.exe	16
PID 5108 wrote to memory of 2456	5108	071350ec9ff0d2591058ae7145380b87.exe	16
PID 2456 wrote to memory of 3552	2456	071350ec9ff0d2591058ae7145380b87.exe	97
PID 2456 wrote to memory of 3552	2456	071350ec9ff0d2591058ae7145380b87.exe	97
PID 2456 wrote to memory of 3552	2456	071350ec9ff0d2591058ae7145380b87.exe	97
PID 3552 wrote to memory of 3684	3552	easysoft.exe	98
PID 3552 wrote to memory of 3684	3552	easysoft.exe	98
PID 3552 wrote to memory of 3684	3552	easysoft.exe	98
PID 3552 wrote to memory of 3684	3552	easysoft.exe	98
PID 3552 wrote to memory of 3684	3552	easysoft.exe	98
PID 3552 wrote to memory of 3684	3552	easysoft.exe	98
PID 3552 wrote to memory of 3684	3552	easysoft.exe	98

C:\Users\Admin\AppData\Local\Temp\071350ec9ff0d2591058ae7145380b87.exe
"C:\Users\Admin\AppData\Local\Temp\071350ec9ff0d2591058ae7145380b87.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5108
- C:\Users\Admin\AppData\Local\Temp\071350ec9ff0d2591058ae7145380b87.exe
  "C:\Users\Admin\AppData\Local\Temp\071350ec9ff0d2591058ae7145380b87.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\easysoft.exe
    "C:\Windows\easysoft.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3552
  - - C:\Windows\easysoft.exe
      "C:\Windows\easysoft.exe"
      4⤵
      Executes dropped EXE
      PID:3684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\easysoft.exe

Filesize
33KB

MD5
071350ec9ff0d2591058ae7145380b87

SHA1
d8bdb08096cc7736ffae47cbcad530b9740f120d

SHA256
66b1fcba6a77799bf9ad2ede1cd9ffe1dc81ab32fe4e9b568348cd4c12b331e2

SHA512
0b5a36e74c30930c5b771609995b5e52eee38524ab5396f8837e34489f37e767f39463db2dea3831d2a7d6f348f9bb24c1a672cf1191c8367a642a26dc964c19

Download Submit
memory/2456-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2456-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2456-0-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2456-15-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3684-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3684-14-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3684-17-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3684-19-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3684-22-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3684-25-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3684-28-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads