442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d

Analysis

max time kernel
136s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2022, 00:00

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General

Target

442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe
Size

646KB
MD5

3c340fa2c8442a973205a1cb018ab46a
SHA1

706d03b9b760fd9e2d55be12e107da6a033141ce
SHA256

442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d
SHA512

db78f6d0f335a5ad497a3a81fa15cb6fc9d9dc1fd8c583081a57d745f9fe579313e7a7fba9feaf66fcd4277f6adcff88dde3944b449fc7eaf6aaf270796a7b33
SSDEEP

1536:hQvHLAQMhFlKXxOvVsNNvpdGvxU1jEdsDgTcDvQ7Tkhbr0lfWuh:hQvrA1dexYWN1aSjEd5TcDvQMhElf

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1788	winlogon.exe
2472	winlogon.exe
5116	winlogon.exe
3140	winlogon.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3200-134-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/3200-136-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/3200-137-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/3200-152-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/2472-153-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/2472-154-0x0000000000400000-0x0000000000419000-memory.dmp	upx

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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1236 set thread context of 3200	1236	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe	81
PID 1788 set thread context of 2472	1788	winlogon.exe	85
PID 2472 set thread context of 5116	2472	winlogon.exe	92
PID 2472 set thread context of 3140	2472	winlogon.exe	98

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4196	5116	WerFault.exe	92
4628	3140	WerFault.exe	98

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3200	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe
2472	winlogon.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 3300	1236	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe	80
PID 1236 wrote to memory of 3300	1236	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe	80
PID 1236 wrote to memory of 3300	1236	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe	80
PID 1236 wrote to memory of 3200	1236	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe	81
PID 1236 wrote to memory of 3200	1236	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe	81
PID 1236 wrote to memory of 3200	1236	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe	81
PID 1236 wrote to memory of 3200	1236	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe	81
PID 1236 wrote to memory of 3200	1236	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe	81
PID 1236 wrote to memory of 3200	1236	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe	81
PID 1236 wrote to memory of 3200	1236	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe	81
PID 1236 wrote to memory of 3200	1236	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe	81
PID 3200 wrote to memory of 1788	3200	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe	83
PID 3200 wrote to memory of 1788	3200	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe	83
PID 3200 wrote to memory of 1788	3200	442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe	83
PID 1788 wrote to memory of 2200	1788	winlogon.exe	84
PID 1788 wrote to memory of 2200	1788	winlogon.exe	84
PID 1788 wrote to memory of 2200	1788	winlogon.exe	84
PID 1788 wrote to memory of 2472	1788	winlogon.exe	85
PID 1788 wrote to memory of 2472	1788	winlogon.exe	85
PID 1788 wrote to memory of 2472	1788	winlogon.exe	85
PID 1788 wrote to memory of 2472	1788	winlogon.exe	85
PID 1788 wrote to memory of 2472	1788	winlogon.exe	85
PID 1788 wrote to memory of 2472	1788	winlogon.exe	85
PID 1788 wrote to memory of 2472	1788	winlogon.exe	85
PID 1788 wrote to memory of 2472	1788	winlogon.exe	85
PID 2472 wrote to memory of 5116	2472	winlogon.exe	92
PID 2472 wrote to memory of 5116	2472	winlogon.exe	92
PID 2472 wrote to memory of 5116	2472	winlogon.exe	92
PID 2472 wrote to memory of 5116	2472	winlogon.exe	92
PID 2472 wrote to memory of 5116	2472	winlogon.exe	92
PID 2472 wrote to memory of 5116	2472	winlogon.exe	92
PID 2472 wrote to memory of 5116	2472	winlogon.exe	92
PID 2472 wrote to memory of 5116	2472	winlogon.exe	92
PID 2472 wrote to memory of 3140	2472	winlogon.exe	98
PID 2472 wrote to memory of 3140	2472	winlogon.exe	98
PID 2472 wrote to memory of 3140	2472	winlogon.exe	98
PID 2472 wrote to memory of 3140	2472	winlogon.exe	98
PID 2472 wrote to memory of 3140	2472	winlogon.exe	98
PID 2472 wrote to memory of 3140	2472	winlogon.exe	98
PID 2472 wrote to memory of 3140	2472	winlogon.exe	98
PID 2472 wrote to memory of 3140	2472	winlogon.exe	98

C:\Users\Admin\AppData\Local\Temp\442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe
"C:\Users\Admin\AppData\Local\Temp\442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\\svchost.exe
  2⤵
  PID:3300
- C:\Users\Admin\AppData\Local\Temp\442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d.exe
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3200
- - C:\Users\Admin\E696D64614\winlogon.exe
    "C:\Users\Admin\E696D64614\winlogon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1788
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\\svchost.exe
      4⤵
      PID:2200
  - - C:\Users\Admin\E696D64614\winlogon.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2472
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:5116
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5116 -s 12
        6⤵
        Program crash
        
        PID:4196
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:3140
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 12
        6⤵
        Program crash
        
        PID:4628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5116 -ip 5116
1⤵
PID:2776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3140 -ip 3140
1⤵
PID:2628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

C:\Users\Admin\E696D64614\winlogon.exe

Filesize
646KB

MD5
3c340fa2c8442a973205a1cb018ab46a

SHA1
706d03b9b760fd9e2d55be12e107da6a033141ce

SHA256
442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d

SHA512
db78f6d0f335a5ad497a3a81fa15cb6fc9d9dc1fd8c583081a57d745f9fe579313e7a7fba9feaf66fcd4277f6adcff88dde3944b449fc7eaf6aaf270796a7b33

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
646KB

MD5
3c340fa2c8442a973205a1cb018ab46a

SHA1
706d03b9b760fd9e2d55be12e107da6a033141ce

SHA256
442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d

SHA512
db78f6d0f335a5ad497a3a81fa15cb6fc9d9dc1fd8c583081a57d745f9fe579313e7a7fba9feaf66fcd4277f6adcff88dde3944b449fc7eaf6aaf270796a7b33

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
646KB

MD5
3c340fa2c8442a973205a1cb018ab46a

SHA1
706d03b9b760fd9e2d55be12e107da6a033141ce

SHA256
442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d

SHA512
db78f6d0f335a5ad497a3a81fa15cb6fc9d9dc1fd8c583081a57d745f9fe579313e7a7fba9feaf66fcd4277f6adcff88dde3944b449fc7eaf6aaf270796a7b33

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
646KB

MD5
3c340fa2c8442a973205a1cb018ab46a

SHA1
706d03b9b760fd9e2d55be12e107da6a033141ce

SHA256
442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d

SHA512
db78f6d0f335a5ad497a3a81fa15cb6fc9d9dc1fd8c583081a57d745f9fe579313e7a7fba9feaf66fcd4277f6adcff88dde3944b449fc7eaf6aaf270796a7b33

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
646KB

MD5
3c340fa2c8442a973205a1cb018ab46a

SHA1
706d03b9b760fd9e2d55be12e107da6a033141ce

SHA256
442ed07066420a5706beab3321ec0d56716e142cc0efbcc47bc1e88e13ecc92d

SHA512
db78f6d0f335a5ad497a3a81fa15cb6fc9d9dc1fd8c583081a57d745f9fe579313e7a7fba9feaf66fcd4277f6adcff88dde3944b449fc7eaf6aaf270796a7b33

Download Submit
memory/2472-153-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2472-154-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3200-137-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3200-136-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3200-152-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3200-134-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download