c78e508337c58080c5bf06e22c391e292c2e85e4d77ca39e032a5f84441eb17e

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
08/08/2022, 08:08

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General

Target
PFI_RF5030_page-0001.exe
Size 833KB
Sample220808-j1j2vaaaa2
SHA256 c78e508337c58080c5bf06e22c391e292c2e85e4d77ca39e032a5f84441eb17e
MD5 c612f3851563baa0bf9ac2fff8878d73
SHA1 5f8549ff68a73351134223a0ea5f8011c4ccb8e6
SHA512 6729be62b441bfdb4d3fed231fc16da0036f791543c6cf9492b15d0c726a6ccef79f54ffb4a652dae188296482b2eeadcba16649fb977fc61d890d4b50b83a7b
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
70	736	msiexec.exe
73	736	msiexec.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	PFI_RF5030_page-0001.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 5096 set thread context of 4888	5096	PFI_RF5030_page-0001.exe	94
PID 4888 set thread context of 724	4888	PFI_RF5030_page-0001.exe	41
PID 736 set thread context of 724	736	msiexec.exe	41

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msiexec.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 38 IoCs

pid	Process
5096	PFI_RF5030_page-0001.exe
5096	PFI_RF5030_page-0001.exe
4888	PFI_RF5030_page-0001.exe
4888	PFI_RF5030_page-0001.exe
4888	PFI_RF5030_page-0001.exe
4888	PFI_RF5030_page-0001.exe
4888	PFI_RF5030_page-0001.exe
4888	PFI_RF5030_page-0001.exe
4888	PFI_RF5030_page-0001.exe
4888	PFI_RF5030_page-0001.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
724	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4888	PFI_RF5030_page-0001.exe
4888	PFI_RF5030_page-0001.exe
4888	PFI_RF5030_page-0001.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe
736	msiexec.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5096	PFI_RF5030_page-0001.exe
Token: SeDebugPrivilege	4888	PFI_RF5030_page-0001.exe
Token: SeDebugPrivilege	736	msiexec.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 5096 wrote to memory of 5048	5096	PFI_RF5030_page-0001.exe	93
PID 5096 wrote to memory of 5048	5096	PFI_RF5030_page-0001.exe	93
PID 5096 wrote to memory of 5048	5096	PFI_RF5030_page-0001.exe	93
PID 5096 wrote to memory of 4888	5096	PFI_RF5030_page-0001.exe	94
PID 5096 wrote to memory of 4888	5096	PFI_RF5030_page-0001.exe	94
PID 5096 wrote to memory of 4888	5096	PFI_RF5030_page-0001.exe	94
PID 5096 wrote to memory of 4888	5096	PFI_RF5030_page-0001.exe	94
PID 5096 wrote to memory of 4888	5096	PFI_RF5030_page-0001.exe	94
PID 5096 wrote to memory of 4888	5096	PFI_RF5030_page-0001.exe	94
PID 724 wrote to memory of 736	724	Explorer.EXE	95
PID 724 wrote to memory of 736	724	Explorer.EXE	95
PID 724 wrote to memory of 736	724	Explorer.EXE	95
PID 736 wrote to memory of 2836	736	msiexec.exe	98
PID 736 wrote to memory of 2836	736	msiexec.exe	98
PID 736 wrote to memory of 2836	736	msiexec.exe	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:724
- C:\Users\Admin\AppData\Local\Temp\PFI_RF5030_page-0001.exe
  "C:\Users\Admin\AppData\Local\Temp\PFI_RF5030_page-0001.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5096
- - C:\Users\Admin\AppData\Local\Temp\PFI_RF5030_page-0001.exe
    "C:\Users\Admin\AppData\Local\Temp\PFI_RF5030_page-0001.exe"
    3⤵
    PID:5048
- - C:\Users\Admin\AppData\Local\Temp\PFI_RF5030_page-0001.exe
    "C:\Users\Admin\AppData\Local\Temp\PFI_RF5030_page-0001.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4888
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:736
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2836

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/724-142-0x00000000083E0000-0x00000000084E9000-memory.dmp

Download

memory/724-151-0x00000000030D0000-0x0000000003167000-memory.dmp

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memory/724-149-0x00000000030D0000-0x0000000003167000-memory.dmp

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memory/736-150-0x0000000000620000-0x000000000064B000-memory.dmp

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memory/736-148-0x0000000002650000-0x00000000026DF000-memory.dmp

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memory/736-147-0x00000000026F0000-0x0000000002A3A000-memory.dmp

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memory/736-145-0x00000000006A0000-0x00000000006B2000-memory.dmp

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memory/736-146-0x0000000000620000-0x000000000064B000-memory.dmp

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memory/4888-141-0x0000000000BF0000-0x0000000000C00000-memory.dmp

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memory/4888-140-0x00000000014E0000-0x000000000182A000-memory.dmp

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memory/4888-138-0x0000000000400000-0x000000000042B000-memory.dmp

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memory/4888-144-0x0000000000400000-0x000000000042B000-memory.dmp

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memory/5096-130-0x0000000000350000-0x0000000000426000-memory.dmp

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memory/5096-135-0x0000000009B60000-0x0000000009BC6000-memory.dmp

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memory/5096-134-0x0000000009AC0000-0x0000000009B5C000-memory.dmp

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memory/5096-133-0x00000000054D0000-0x00000000054DA000-memory.dmp

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memory/5096-132-0x0000000004FC0000-0x0000000005052000-memory.dmp

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memory/5096-131-0x0000000005570000-0x0000000005B14000-memory.dmp

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