65bac223040f4e9b89950bfb354348cf86122405dfaba6d9cd4ad55a3e4d3cea

Analysis

max time kernel
135s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29-12-2023 23:11

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General

Target

069160bf4e0271b4aa6994f793b995d5.exe
Size

80KB
MD5

069160bf4e0271b4aa6994f793b995d5
SHA1

12c8a2b32eb7c90f0de4fece3bd0150392add5be
SHA256

65bac223040f4e9b89950bfb354348cf86122405dfaba6d9cd4ad55a3e4d3cea
SHA512

97bfae0aa5ff60b650c01d514e89a062d2f233da1a7e5d7bab590987f9bb49d29339ad5a4557560ed2cc8b689eb165b3dfcc852ba1c55fd05b6fa35f560ea6ff
SSDEEP

1536:n7HoOPZJkeOQtbs1/yK8lFvEmR3MJrhRj:LbOQtbs8RPEttR

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
824	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2340	csrcs.exe

Loads dropped DLL 2 IoCs

pid	Process
824	svchost.exe
824	svchost.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\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrcs = "C:\\Users\\Admin\\AppData\\Local\\Temp\\csrcs.exe"	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1436 set thread context of 824	1436	069160bf4e0271b4aa6994f793b995d5.exe	28
PID 2340 set thread context of 2876	2340	csrcs.exe	30

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1436 wrote to memory of 824	1436	069160bf4e0271b4aa6994f793b995d5.exe	28
PID 1436 wrote to memory of 824	1436	069160bf4e0271b4aa6994f793b995d5.exe	28
PID 1436 wrote to memory of 824	1436	069160bf4e0271b4aa6994f793b995d5.exe	28
PID 1436 wrote to memory of 824	1436	069160bf4e0271b4aa6994f793b995d5.exe	28
PID 1436 wrote to memory of 824	1436	069160bf4e0271b4aa6994f793b995d5.exe	28
PID 1436 wrote to memory of 824	1436	069160bf4e0271b4aa6994f793b995d5.exe	28
PID 1436 wrote to memory of 824	1436	069160bf4e0271b4aa6994f793b995d5.exe	28
PID 1436 wrote to memory of 824	1436	069160bf4e0271b4aa6994f793b995d5.exe	28
PID 1436 wrote to memory of 824	1436	069160bf4e0271b4aa6994f793b995d5.exe	28
PID 824 wrote to memory of 2340	824	svchost.exe	31
PID 824 wrote to memory of 2340	824	svchost.exe	31
PID 824 wrote to memory of 2340	824	svchost.exe	31
PID 824 wrote to memory of 2340	824	svchost.exe	31
PID 2340 wrote to memory of 2876	2340	csrcs.exe	30
PID 2340 wrote to memory of 2876	2340	csrcs.exe	30
PID 2340 wrote to memory of 2876	2340	csrcs.exe	30
PID 2340 wrote to memory of 2876	2340	csrcs.exe	30
PID 2340 wrote to memory of 2876	2340	csrcs.exe	30
PID 2340 wrote to memory of 2876	2340	csrcs.exe	30
PID 2340 wrote to memory of 2876	2340	csrcs.exe	30
PID 2340 wrote to memory of 2876	2340	csrcs.exe	30
PID 2340 wrote to memory of 2876	2340	csrcs.exe	30

C:\Users\Admin\AppData\Local\Temp\069160bf4e0271b4aa6994f793b995d5.exe
"C:\Users\Admin\AppData\Local\Temp\069160bf4e0271b4aa6994f793b995d5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1436
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:824
- - C:\Users\Admin\AppData\Local\Temp\csrcs.exe
    "C:\Users\Admin\AppData\Local\Temp\csrcs.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2340

C:\Windows\SysWOW64\svchost.exe
svchost.exe
1⤵
PID:2876

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

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Downloads

\Users\Admin\AppData\Local\Temp\csrcs.exe

Filesize
80KB

MD5
069160bf4e0271b4aa6994f793b995d5

SHA1
12c8a2b32eb7c90f0de4fece3bd0150392add5be

SHA256
65bac223040f4e9b89950bfb354348cf86122405dfaba6d9cd4ad55a3e4d3cea

SHA512
97bfae0aa5ff60b650c01d514e89a062d2f233da1a7e5d7bab590987f9bb49d29339ad5a4557560ed2cc8b689eb165b3dfcc852ba1c55fd05b6fa35f560ea6ff

Download Submit
memory/824-15-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/824-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/824-10-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/824-8-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2876-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads