d3af14f71b89cdd01193472f1004027cbffc660636e022e3f5115f537639678e

Analysis

max time kernel
3s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
01/01/2024, 03:04

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General

Target

3bb9540039e411bae67403b78822d19c.exe
Size

145KB
MD5

3bb9540039e411bae67403b78822d19c
SHA1

8bfc3de61dad1907f1d8b9a3706f33eab645166d
SHA256

d3af14f71b89cdd01193472f1004027cbffc660636e022e3f5115f537639678e
SHA512

3565b9e00c20d03039ad4618d559d1cba4cc7910731968d49f0b293e9aab655e431fe984c07825f2009a0609dc25935dfec2db0806a4d21d3816f390cffbc47e
SSDEEP

1536:cOSYU3r+cWfG0mQnt2mET7/DdfEd5N5KKb392MrqxUnsEM2dXJILlUzuTpHplWOY:gYGhQeTlfEH395rqPkdKtH5c

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2348-1-0x0000000000400000-0x000000000047F000-memory.dmp	upx
behavioral1/memory/2308-0-0x0000000000400000-0x000000000047F000-memory.dmp	upx
behavioral1/memory/2308-3-0x0000000000400000-0x000000000047F000-memory.dmp	upx
behavioral1/memory/2348-52228-0x0000000000400000-0x000000000047F000-memory.dmp	upx
behavioral1/memory/2348-52230-0x0000000000400000-0x000000000047F000-memory.dmp	upx

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-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\PopRock = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3bb9540039e411bae67403b78822d19c.exe"	3bb9540039e411bae67403b78822d19c.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\{BB65B0FB-5712-401b-B616-E69AC55E2757}.job	3bb9540039e411bae67403b78822d19c.exe
File opened for modification	C:\Windows\Tasks\{BB65B0FB-5712-401b-B616-E69AC55E2757}.job	3bb9540039e411bae67403b78822d19c.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2348	3bb9540039e411bae67403b78822d19c.exe
2348	3bb9540039e411bae67403b78822d19c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2348	2308	3bb9540039e411bae67403b78822d19c.exe	14
PID 2308 wrote to memory of 2348	2308	3bb9540039e411bae67403b78822d19c.exe	14
PID 2308 wrote to memory of 2348	2308	3bb9540039e411bae67403b78822d19c.exe	14
PID 2308 wrote to memory of 2348	2308	3bb9540039e411bae67403b78822d19c.exe	14

C:\Users\Admin\AppData\Local\Temp\3bb9540039e411bae67403b78822d19c.exe
C:\Users\Admin\AppData\Local\Temp\3bb9540039e411bae67403b78822d19c.exe
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:2348

C:\Users\Admin\AppData\Local\Temp\3bb9540039e411bae67403b78822d19c.exe
"C:\Users\Admin\AppData\Local\Temp\3bb9540039e411bae67403b78822d19c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2308

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

memory/2308-0-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2308-3-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2348-1-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2348-5-0x0000000071C40000-0x0000000072CA2000-memory.dmp

Filesize
16.4MB

Download
memory/2348-52229-0x0000000002310000-0x0000000002314000-memory.dmp

Filesize
16KB

Download
memory/2348-52228-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2348-52230-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2348-52232-0x0000000071C40000-0x0000000072CA2000-memory.dmp

Filesize
16.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads