3526c74a22a6a7ff285bddc4a055d22e443bd2d9ceb47aa7bc20240256084787

Analysis

max time kernel
1800s
max time network
1566s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
26-03-2024 13:44

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General

Target

93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
Size

324KB
MD5

7f2e755385cce6862a68d60053d4ad64
SHA1

bb7ab43a8537b4aa019f4873bbfa27fa9721c945
SHA256

93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca
SHA512

3e549a4527a1b4d82313436af4d2858566e2611034970fddaa21cae4e1cc22c1c3ea864751ad409d014e67ec35f0faaee08c25bb25684ba3e0d2f72da43aae28
SSDEEP

6144:KWw1sSGm39FkhqL58C14Aox2hK/bbeLjbBmnZxl0FRqfcCiUUqq6YYjYzwTRoSM:Kbdb39mhC8CyTbytgiyUhUUqq6rjdRoS

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:

93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\ProgramData\\gema\\gema.exe,userinit.exe,"	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Users\\Admin\\AppData\\Roaming\\gema\\gema.exe,Explorer.exe,"	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral11/memory/1932-0-0x0000000000400000-0x00000000004F7000-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:

93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\gema. = "C:\\ProgramData\\gema\\gema.exe"	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Windows\CurrentVersion\Run\gema = "C:\\Users\\Admin\\AppData\\Roaming\\gema\\gema.exe"	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe

Drops file in System32 directory 2 IoCs

Processes:

93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe

description	ioc	process
File opened for modification	C:\Windows\System32\gema.exe	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
File created	C:\Windows\System32\gema.exe	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe

Drops file in Windows directory 1 IoCs

Processes:

93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe

description ioc process

File opened for modification C:\Windows\win.ini 93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.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	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

Processes:

93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Main	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
Key created	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe

pid	process
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe

pid	process
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
1932	93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe

C:\Users\Admin\AppData\Local\Temp\93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.exe
"C:\Users\Admin\AppData\Local\Temp\93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca.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:1932

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

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\gema\gema.exe
Filesize
324KB

MD5
7f2e755385cce6862a68d60053d4ad64

SHA1
bb7ab43a8537b4aa019f4873bbfa27fa9721c945

SHA256
93564e681c3b63f14bfb67df98f5461917c447f343770a3a944ab251c4dac5ca

SHA512
3e549a4527a1b4d82313436af4d2858566e2611034970fddaa21cae4e1cc22c1c3ea864751ad409d014e67ec35f0faaee08c25bb25684ba3e0d2f72da43aae28

Download Submit
memory/1932-0-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/1932-1-0x0000000000220000-0x0000000000235000-memory.dmp

Filesize
84KB

Download
memory/1932-2-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/1932-5-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/1932-6-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/1932-7-0x0000000001D60000-0x0000000001DF5000-memory.dmp

Filesize
596KB

Download
memory/1932-9-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/1932-41-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/1932-98-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/1932-115-0x0000000001D60000-0x0000000001DF5000-memory.dmp

Filesize
596KB

Download
memory/1932-353-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download