3526c74a22a6a7ff285bddc4a055d22e443bd2d9ceb47aa7bc20240256084787

Analysis

max time kernel
135s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-03-2024 13:44

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General

Target

d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
Size

242KB
MD5

3cea112008870b0f75a3e707281ca483
SHA1

3119927821ea72c74022b5b4d8d749bdeb467bfa
SHA256

d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7
SHA512

e0c187c0acf772b4808eabdc792e2d4598ec206ffd76df3b04d6e4aa2f263aa39b6ff19fafb81499685c16cde7e5b8e1f15858e1f99cbf292bb20145e8fb7ff1
SSDEEP

6144:fkY8lsGOLp9DJKnDNdVRQnTDwd7x/t8mRaYESWPXgLgadXoSAj:LUsG+3JYbnQnTDwfVFsuWPEgkoSO

Score

10^/10

persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Users\\Admin\\AppData\\Roaming\\gema\\gema.exe,Explorer.exe,"	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\ProgramData\\gema\\gema.exe,userinit.exe,"	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral26/memory/2300-0-0x0000000000400000-0x00000000004A4000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\gema\gema.exe	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\gema. = "C:\\ProgramData\\gema\\gema.exe"	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\gema = "C:\\Users\\Admin\\AppData\\Roaming\\gema\\gema.exe"	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe

Drops file in System32 directory 2 IoCs

Processes:

d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe

description	ioc	process
File opened for modification	C:\Windows\System32\gema.exe	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
File created	C:\Windows\System32\gema.exe	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe

Drops file in Windows directory 1 IoCs

Processes:

d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe

description ioc process

File opened for modification C:\Windows\win.ini d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\win.ini	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

Processes:

d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
Key created	\REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Internet Explorer\Main	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe

pid	process
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe

pid	process
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
2300	d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe

C:\Users\Admin\AppData\Local\Temp\d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe
"C:\Users\Admin\AppData\Local\Temp\d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2300

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\gema\gema.exe
Filesize
242KB

MD5
3cea112008870b0f75a3e707281ca483

SHA1
3119927821ea72c74022b5b4d8d749bdeb467bfa

SHA256
d041a11a04bba9142ee44712a53c8e94bccefeefe1d382ac35171518cd6b64a7

SHA512
e0c187c0acf772b4808eabdc792e2d4598ec206ffd76df3b04d6e4aa2f263aa39b6ff19fafb81499685c16cde7e5b8e1f15858e1f99cbf292bb20145e8fb7ff1

Download Submit
memory/2300-0-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/2300-1-0x0000000000220000-0x0000000000235000-memory.dmp

Filesize
84KB

Download
memory/2300-2-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/2300-12-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/2300-14-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/2300-24-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/2300-84-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/2300-142-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download