d1613f6ca68cdd7b490e9c42b1abc4b5c71aadf146977bdfc3f4d33d2d33159d

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
02/03/2023, 12:21

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
Documents.exe
Size 1.3MB
Sample230302-pjbl2acg97
SHA256 d1613f6ca68cdd7b490e9c42b1abc4b5c71aadf146977bdfc3f4d33d2d33159d
MD5 86c0573a6920ba2f12101ca3c042358c
SHA1 fcd1bcb3d3b932133a5f9749934dc32d6a822ae5
SHA512 48c857bf160a81e4a91835d8b72bd7b31c28373dbf6d940a5531fb57eef33933b40a3341f514f947de2f98f0b56d8659a0f4e53c62ef67277cdc4ed19642b750
SSDEEP 12288:bUbUG3MzSSV93QMOEAlQ/ECDrmI7B2qnsq0neaZibqr9NGtLUV3SxHnCcddAE:xSSDYa/EyB24aQbqr9QOIoe2
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

spyware stealer

Malware Config

Signatures

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2548 set thread context of 4584	2548	Documents.exe	97
PID 4584 set thread context of 3148	4584	RegSvcs.exe	55
PID 1596 set thread context of 3148	1596	cmstp.exe	55

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmstp.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
2548	Documents.exe
2548	Documents.exe
4584	RegSvcs.exe
4584	RegSvcs.exe
4584	RegSvcs.exe
4584	RegSvcs.exe
4584	RegSvcs.exe
4584	RegSvcs.exe
4584	RegSvcs.exe
4584	RegSvcs.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3148	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4584	RegSvcs.exe
4584	RegSvcs.exe
4584	RegSvcs.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe
1596	cmstp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	Documents.exe
Token: SeDebugPrivilege	4584	RegSvcs.exe
Token: SeDebugPrivilege	1596	cmstp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 4584	2548	Documents.exe	97
PID 2548 wrote to memory of 4584	2548	Documents.exe	97
PID 2548 wrote to memory of 4584	2548	Documents.exe	97
PID 2548 wrote to memory of 4584	2548	Documents.exe	97
PID 2548 wrote to memory of 4584	2548	Documents.exe	97
PID 2548 wrote to memory of 4584	2548	Documents.exe	97
PID 3148 wrote to memory of 1596	3148	Explorer.EXE	98
PID 3148 wrote to memory of 1596	3148	Explorer.EXE	98
PID 3148 wrote to memory of 1596	3148	Explorer.EXE	98
PID 1596 wrote to memory of 1956	1596	cmstp.exe	99
PID 1596 wrote to memory of 1956	1596	cmstp.exe	99
PID 1596 wrote to memory of 1956	1596	cmstp.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3148
- C:\Users\Admin\AppData\Local\Temp\Documents.exe
  "C:\Users\Admin\AppData\Local\Temp\Documents.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4584
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1596
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1956

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1596-147-0x00000000003B0000-0x00000000003C6000-memory.dmp

Download

memory/1596-152-0x0000000002870000-0x00000000028FF000-memory.dmp

Download

memory/1596-151-0x0000000002A40000-0x0000000002D8A000-memory.dmp

Download

memory/1596-150-0x0000000000950000-0x000000000097D000-memory.dmp

Download

memory/1596-148-0x00000000003B0000-0x00000000003C6000-memory.dmp

Download

memory/2548-138-0x0000000005520000-0x0000000005530000-memory.dmp

Download

memory/2548-139-0x0000000006C50000-0x0000000006CEC000-memory.dmp

Download

memory/2548-134-0x0000000005A10000-0x0000000005FB4000-memory.dmp

Download

memory/2548-135-0x0000000005380000-0x0000000005412000-memory.dmp

Download

memory/2548-136-0x0000000005430000-0x000000000543A000-memory.dmp

Download

memory/2548-137-0x0000000005520000-0x0000000005530000-memory.dmp

Download

memory/2548-133-0x00000000008A0000-0x00000000009EE000-memory.dmp

Download

memory/3148-146-0x0000000008140000-0x0000000008255000-memory.dmp

Download

memory/3148-153-0x0000000002C40000-0x0000000002CFC000-memory.dmp

Download

memory/3148-160-0x0000000002C40000-0x0000000002CFC000-memory.dmp

Download

memory/4584-145-0x0000000001330000-0x0000000001340000-memory.dmp

Download

memory/4584-149-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/4584-144-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/4584-143-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/4584-142-0x0000000001480000-0x00000000017CA000-memory.dmp

Download

memory/4584-140-0x0000000000400000-0x000000000042F000-memory.dmp

Download