fd84148426c6188c0bdec2e66d1f4fda9392342adb0c225d64aaacce24ce8653

Analysis

max time kernel
95s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 03:43

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General

Target

file (6).exe
Size

157KB
MD5

438580ccbffdc97ad5b9f09a213c3e8f
SHA1

0437c2003974a979ecc4170544f2f863c7dafd12
SHA256

f77ef2ace574ee9a7d758ef00f7df14c940381625b12a4b65e5e292d1ef34b1c
SHA512

a8214216662cc7323b3ab0aec016647581ff2ca68edeab9bf340c7befb088f501d7d592f901eea48211681bcf5f90fc74293b940152f32e1be6555f55dd4dbd8
SSDEEP

3072:0t6Gtx/jjOtP8JV4Y1aaH67pnMK/MdyGwsNYFfP:0thut0JV3fOMdE

Score

10^/10

defense_evasion discovery evasion persistence trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1548.002

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

module.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" module.exe
Executes dropped EXE 1 IoCs

Processes:

module.exe

pid process

2764 module.exe
Loads dropped DLL 1 IoCs

Processes:

file (6).exe

pid process

2216 file (6).exe

pid	process
2764	module.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

file (6).exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Module = "%ALLUSERSPROFILE%\\Media\\module.exe"	file (6).exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

module.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	module.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	module.exe

Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs
When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.
defense_evasion

SIP and Trust Provider Hijacking
T1553.003

Processes:

cmd.exe

description ioc process

File created C:\ProgramData\Media\module.exe:Zone.Identifier cmd.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2696 2216 WerFault.exe file (6).exe

description	ioc	process
File created	C:\ProgramData\Media\module.exe:Zone.Identifier	cmd.exe

pid	pid_target	process	target process
2696	2216	WerFault.exe	file (6).exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

file (6).execmd.exemodule.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file (6).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	module.exe

NTFS ADS 1 IoCs

Processes:

cmd.exe

description ioc process

File created C:\ProgramData\Media\module.exe:Zone.Identifier cmd.exe

description	ioc	process
File created	C:\ProgramData\Media\module.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

file (6).exemodule.exe

pid	process
2216	file (6).exe
2216	file (6).exe
2216	file (6).exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe
2764	module.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

module.exe

pid process

2764 module.exe
2764 module.exe

pid	process
2764	module.exe
2764	module.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

file (6).exe

description	pid	process	target process
PID 2216 wrote to memory of 2652	2216	file (6).exe	cmd.exe
PID 2216 wrote to memory of 2652	2216	file (6).exe	cmd.exe
PID 2216 wrote to memory of 2652	2216	file (6).exe	cmd.exe
PID 2216 wrote to memory of 2652	2216	file (6).exe	cmd.exe
PID 2216 wrote to memory of 2764	2216	file (6).exe	module.exe
PID 2216 wrote to memory of 2764	2216	file (6).exe	module.exe
PID 2216 wrote to memory of 2764	2216	file (6).exe	module.exe
PID 2216 wrote to memory of 2764	2216	file (6).exe	module.exe
PID 2216 wrote to memory of 2696	2216	file (6).exe	WerFault.exe
PID 2216 wrote to memory of 2696	2216	file (6).exe	WerFault.exe
PID 2216 wrote to memory of 2696	2216	file (6).exe	WerFault.exe
PID 2216 wrote to memory of 2696	2216	file (6).exe	WerFault.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

module.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	module.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	module.exe

C:\Users\Admin\AppData\Local\Temp\file (6).exe
"C:\Users\Admin\AppData\Local\Temp\file (6).exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\ProgramData\Media\rdb.bat
  2⤵
  - Subvert Trust Controls: Mark-of-the-Web Bypass
  - System Location Discovery: System Language Discovery
  - NTFS ADS
  PID:2652
- C:\ProgramData\Media\module.exe
  -wait
  2⤵
  - UAC bypass
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:2764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 328
  2⤵
  - Program crash
  PID:2696

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

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Subvert Trust Controls

T1553

SIP and Trust Provider Hijacking

T1553.003

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Media\module.exe:Zone.Identifier

Filesize
13B

MD5
38de427224a5082a04fe82e2bd4ea9ec

SHA1
7e4a53de1f83762dd2febd39b818e2258bc83bc1

SHA256
12f99f53144294750fe8713d580eda286f4bd95cd9c840db8ab957def8040028

SHA512
ec3f3c324eeaad91ab0efd47b3084493d863f969344fa1ba87ace1974908053d396673b44c33b4dceeef792a74ad9278e06acc27c83459af1153de52f83afcbf

Download Submit
C:\ProgramData\Media\rdb.bat

Filesize
77B

MD5
d10f631a08d4953930bdd79bc3ddd009

SHA1
8309a6decb6f6c8f8a2e2eea80fde3464e6aaf00

SHA256
047d32c8b8314c8b1fa11504d53ac22fa6c7f2b2e0088c0c7523e28214a78c4e

SHA512
99bd26c3450b197eb84f2ca8ad31d5b26bd9469aba83f795a01237833115522d5c96136e54ec0038ab4120e30269a13fca9f4e042ee695a34eb17d19489bf7ae

Download Submit
\ProgramData\Media\module.exe

Filesize
157KB

MD5
438580ccbffdc97ad5b9f09a213c3e8f

SHA1
0437c2003974a979ecc4170544f2f863c7dafd12

SHA256
f77ef2ace574ee9a7d758ef00f7df14c940381625b12a4b65e5e292d1ef34b1c

SHA512
a8214216662cc7323b3ab0aec016647581ff2ca68edeab9bf340c7befb088f501d7d592f901eea48211681bcf5f90fc74293b940152f32e1be6555f55dd4dbd8

Download Submit
memory/2216-1-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2216-0-0x0000000000418000-0x0000000000424000-memory.dmp

Filesize
48KB

Download
memory/2216-2-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2216-3-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2216-20-0x0000000000418000-0x0000000000424000-memory.dmp

Filesize
48KB

Download
memory/2216-21-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2764-18-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2764-19-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2764-23-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2764-29-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2764-35-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download