916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8

Analysis

max time kernel
141s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
15/08/2023, 15:48

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General

Target

916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe
Size

753KB
MD5

4a50868c4773c085992219aa8f5b0c5f
SHA1

f3feec9a9b8b407f4afcc62cf4471f05d1a68253
SHA256

916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8
SHA512

2a4f23dc8aa41cf58638075a91af1dcb8016db61f2cfad2c0f1e20bb2d63e2c8f59f1b7a75bd58c7127484a20d6132f80f157f1313a61bfbe1bcc075b45b07e3
SSDEEP

12288:jLaf4lrr+qkiYVJHh9GEtWMhOQ72Iqi5OGZfTpk4JgIZOGOQdKJ:jLe4lX9kVT9GEtfHT35O6OOgIs

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

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-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YawnMo = "C:\\Users\\Admin\\AppData\\Roaming\\YawnMo\\YawnMo.exe"	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4524 set thread context of 3276	4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe	94

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe
4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe
4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe
4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe
3276	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe
3276	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe
3620	powershell.exe
3620	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe
Token: SeDebugPrivilege	3276	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe
Token: SeDebugPrivilege	3620	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3276	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4524 wrote to memory of 3620	4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe	91
PID 4524 wrote to memory of 3620	4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe	91
PID 4524 wrote to memory of 3620	4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe	91
PID 4524 wrote to memory of 1100	4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe	93
PID 4524 wrote to memory of 1100	4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe	93
PID 4524 wrote to memory of 1100	4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe	93
PID 4524 wrote to memory of 3276	4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe	94
PID 4524 wrote to memory of 3276	4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe	94
PID 4524 wrote to memory of 3276	4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe	94
PID 4524 wrote to memory of 3276	4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe	94
PID 4524 wrote to memory of 3276	4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe	94
PID 4524 wrote to memory of 3276	4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe	94
PID 4524 wrote to memory of 3276	4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe	94
PID 4524 wrote to memory of 3276	4524	916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe	94

C:\Users\Admin\AppData\Local\Temp\916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe
"C:\Users\Admin\AppData\Local\Temp\916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4524
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3620
- C:\Users\Admin\AppData\Local\Temp\916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe
  "C:\Users\Admin\AppData\Local\Temp\916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe"
  2⤵
  PID:1100
- C:\Users\Admin\AppData\Local\Temp\916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe
  "C:\Users\Admin\AppData\Local\Temp\916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8_JC.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3276

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3er22jce.pli.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3276-142-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3276-192-0x00000000057F0000-0x0000000005800000-memory.dmp

Filesize
64KB

Download
memory/3276-188-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3276-167-0x00000000066B0000-0x0000000006700000-memory.dmp

Filesize
320KB

Download
memory/3276-152-0x00000000057F0000-0x0000000005800000-memory.dmp

Filesize
64KB

Download
memory/3276-151-0x0000000005800000-0x0000000005866000-memory.dmp

Filesize
408KB

Download
memory/3276-148-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3620-144-0x0000000002EF0000-0x0000000002F26000-memory.dmp

Filesize
216KB

Download
memory/3620-185-0x0000000007D70000-0x0000000007D7E000-memory.dmp

Filesize
56KB

Download
memory/3620-195-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3620-145-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3620-191-0x0000000005310000-0x0000000005320000-memory.dmp

Filesize
64KB

Download
memory/3620-147-0x0000000005950000-0x0000000005F78000-memory.dmp

Filesize
6.2MB

Download
memory/3620-190-0x0000000007E60000-0x0000000007E68000-memory.dmp

Filesize
32KB

Download
memory/3620-150-0x0000000005310000-0x0000000005320000-memory.dmp

Filesize
64KB

Download
memory/3620-189-0x0000000005310000-0x0000000005320000-memory.dmp

Filesize
64KB

Download
memory/3620-187-0x0000000007E80000-0x0000000007E9A000-memory.dmp

Filesize
104KB

Download
memory/3620-149-0x0000000005310000-0x0000000005320000-memory.dmp

Filesize
64KB

Download
memory/3620-153-0x0000000005850000-0x0000000005872000-memory.dmp

Filesize
136KB

Download
memory/3620-186-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3620-159-0x0000000006130000-0x0000000006196000-memory.dmp

Filesize
408KB

Download
memory/3620-164-0x0000000006820000-0x000000000683E000-memory.dmp

Filesize
120KB

Download
memory/3620-166-0x0000000005310000-0x0000000005320000-memory.dmp

Filesize
64KB

Download
memory/3620-184-0x0000000007DC0000-0x0000000007E56000-memory.dmp

Filesize
600KB

Download
memory/3620-168-0x000000007F7D0000-0x000000007F7E0000-memory.dmp

Filesize
64KB

Download
memory/3620-169-0x0000000007800000-0x0000000007832000-memory.dmp

Filesize
200KB

Download
memory/3620-170-0x00000000705F0000-0x000000007063C000-memory.dmp

Filesize
304KB

Download
memory/3620-180-0x0000000006DE0000-0x0000000006DFE000-memory.dmp

Filesize
120KB

Download
memory/3620-181-0x0000000008190000-0x000000000880A000-memory.dmp

Filesize
6.5MB

Download
memory/3620-182-0x0000000007B40000-0x0000000007B5A000-memory.dmp

Filesize
104KB

Download
memory/3620-183-0x0000000007BB0000-0x0000000007BBA000-memory.dmp

Filesize
40KB

Download
memory/4524-136-0x0000000004AB0000-0x0000000004B42000-memory.dmp

Filesize
584KB

Download
memory/4524-141-0x0000000007A70000-0x0000000007B0C000-memory.dmp

Filesize
624KB

Download
memory/4524-137-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

Filesize
64KB

Download
memory/4524-138-0x0000000004C70000-0x0000000004C7A000-memory.dmp

Filesize
40KB

Download
memory/4524-135-0x0000000005110000-0x00000000056B4000-memory.dmp

Filesize
5.6MB

Download
memory/4524-139-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/4524-140-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

Filesize
64KB

Download
memory/4524-146-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/4524-134-0x0000000000010000-0x00000000000D2000-memory.dmp

Filesize
776KB

Download
memory/4524-133-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download