17b4d01d32c64a62e36496829da323fe308437048ca87143de7365fabd4194fd

Analysis

max time kernel
600s
max time network
366s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 03:25

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General

Target

f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe
Size

689KB
MD5

0aa0397edc45cc08dd005a73f707fec5
SHA1

7c1319364fe39580d9f0a928a6f6dc593f425528
SHA256

f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7
SHA512

5766cd40e76bb48233649ecdebf31449020b65146a6e90cc9fa97651f73a3bbd13be2791fcf47c9bba8e158f21d304fa087c8d6dc5c1d53be96c107fa84e6e32
SSDEEP

12288:yHesdPT6mID+Nscf3SDEmaBY2sWevYKrQaUeSSU8g+HnCPMmq8:o4DbcvqEmay2sIaUJig/T

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

pacman.exe

pid process

2808 pacman.exe
Loads dropped DLL 1 IoCs

Processes:

f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe

pid process

2900 f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Security = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\delta.exe"	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.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:

f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exepacman.exetaskkill.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pacman.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3012 taskkill.exe

pid	process
3012	taskkill.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Internet Explorer\Main	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

pacman.exef31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe

pid	process
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe
2808	pacman.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

pacman.exetaskkill.exef31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe

description	pid	process
Token: SeDebugPrivilege	2808	pacman.exe
Token: SeDebugPrivilege	3012	taskkill.exe
Token: SeDebugPrivilege	2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe

pid	process
2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe
2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe
2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe
2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe
2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe

description	pid	process	target process
PID 2900 wrote to memory of 2808	2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe	pacman.exe
PID 2900 wrote to memory of 2808	2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe	pacman.exe
PID 2900 wrote to memory of 2808	2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe	pacman.exe
PID 2900 wrote to memory of 2808	2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe	pacman.exe
PID 2900 wrote to memory of 3012	2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe	taskkill.exe
PID 2900 wrote to memory of 3012	2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe	taskkill.exe
PID 2900 wrote to memory of 3012	2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe	taskkill.exe
PID 2900 wrote to memory of 3012	2900	f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe
"C:\Users\Admin\AppData\Local\Temp\f31bfe95e31d761459b885052d35ba5e25ab19333378fb72b12efd675f6018d7_.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Users\Admin\AppData\Local\Microsoft\pacman.exe
  C:\Users\Admin\AppData\Local\Microsoft\\pacman.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2808
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /IM explorer.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3012

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Microsoft\pacman.exe

Filesize
82KB

MD5
6464e51a6ee9d8ee9fad33430c24ecab

SHA1
fdca62379b1d54d85746cbb228a0d981376ec2f5

SHA256
68931ef9cf810d5a69d8ebf33155db7845fffcc685b1ae9f0670803bb97228cc

SHA512
313dc913dd5b769954d8df68290a8b6b44a8a3f271aec9cb00b44fdcf78e6f1c50542fb755cec61ef5965406acea9cdfe5856fd5f64af6f0f05ff2cc84be0790

Download Submit
memory/2808-11-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-61-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-60-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-14-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-10-0x00000000000C0000-0x00000000000DC000-memory.dmp

Filesize
112KB

Download
memory/2900-3-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2900-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/2900-15-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2900-57-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/2900-58-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2900-59-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2900-2-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2900-1-0x0000000001330000-0x00000000013E2000-memory.dmp

Filesize
712KB

Download
memory/2900-62-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download