4c435c9bbdaea126734fcebc30c396341120eaa25c52cd5ed936dbae24b58571

Analysis

max time kernel
96s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/09/2024, 17:53

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General

Target

ef68d8202cfcc97df8a9d3f482afe530N.exe
Size

590KB
MD5

ef68d8202cfcc97df8a9d3f482afe530
SHA1

2766b2c540341b5e65bcf86f454dd4e66756c103
SHA256

4c435c9bbdaea126734fcebc30c396341120eaa25c52cd5ed936dbae24b58571
SHA512

5dcb6119e1e2c67fb20acef0ab6afd633f2d640c1384770b317e36b72527fd2319dd44e132b8510f5233255e87a8c719c19c8555561ca1ac1bdcea30c7dd4306
SSDEEP

12288:efpGd4KlABnHzXOSEx9Pv1AHwfVvDuRsv6xlR3+J:IGd4KlSnHifNAIcs8WJ

Score

7^/10

discovery

Malware Config

Signatures

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	cmd.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe
5504	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5764 wrote to memory of 3556	5764	ef68d8202cfcc97df8a9d3f482afe530N.exe	85
PID 5764 wrote to memory of 3556	5764	ef68d8202cfcc97df8a9d3f482afe530N.exe	85
PID 3556 wrote to memory of 5504	3556	cmd.exe	87
PID 3556 wrote to memory of 5504	3556	cmd.exe	87
PID 3556 wrote to memory of 5504	3556	cmd.exe	87
PID 5504 wrote to memory of 1604	5504	AcroRd32.exe	94
PID 5504 wrote to memory of 1604	5504	AcroRd32.exe	94
PID 5504 wrote to memory of 1604	5504	AcroRd32.exe	94
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4540	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3908	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3908	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3908	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3908	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3908	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3908	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3908	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3908	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3908	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3908	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3908	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3908	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3908	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3908	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3908	1604	RdrCEF.exe	96

C:\Users\Admin\AppData\Local\Temp\ef68d8202cfcc97df8a9d3f482afe530N.exe
"C:\Users\Admin\AppData\Local\Temp\ef68d8202cfcc97df8a9d3f482afe530N.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5764
- C:\Windows\system32\cmd.exe
  "cmd" /c start /B C:\Users\Admin\AppData\Local\Temp\.tmpyAQlVq.pdf
  2⤵
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3556
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\.tmpyAQlVq.pdf"
    3⤵
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Modifies Internet Explorer settings
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:5504
  - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1604
    - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
        
        "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=A65065DA17B55F18E33BD6C75B49C007 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4540
    - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
        
        "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=C204AD76D18EE104BD3C1AD67B729BF3 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=C204AD76D18EE104BD3C1AD67B729BF3 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3908
    - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
        
        "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=362EB6793051DF2927B2F7E63EEBCF85 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3032
    - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
        
        "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=23D7378071928077C3E11C0C6EC846AF --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4784
    - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
        
        "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=83A240856AC228C81931837A0AA85678 --mojo-platform-channel-handle=2372 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:5232

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
c82ed7e5c11fc04f47a0b714df5f78a1

SHA1
37fa47ba5a55f009ef0bd98e8abb41f22905ffac

SHA256
9c69d4d38bff35f48dd2ecfaebcff4de35af048abd74877eefb0bfad1c24c2e1

SHA512
066cd7eee6dcf6b90bbf556046cd4a9be07c1462697a0ad4f24eb1ef2bf8f5f8cba65cb00e1c73a7c877ac980038e500ef9259d07b337d2c18f25df136a5ddf8

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\Local\Temp\.tmpyAQlVq.pdf

Filesize
12KB

MD5
e47674d44aa9d18f2fa3c9240644aaf9

SHA1
47f1de7d22d2280bba25736a1e226ef338329baa

SHA256
17a8a5296fb1181ddaa918e1411c618985c29fbed7b8b48cdbaa355cb8e2fb1b

SHA512
4f2895e3e1cd34f80757b4e9abe7b5e1971029622a83a9764a407f93235ba14df083d8ca6fa4cf39e608239ad30202978382147bd1ab0442d48de2ca927c93ed

Download Submit