03c3f65e4486f161d319fdb36459f097943b6118a2ae8dc8fbdcb73b75c570fe

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2024, 11:40

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General

Target

7d05a2417438d961bc5f5e135f7cba26.pdf
Size

35KB
MD5

7d05a2417438d961bc5f5e135f7cba26
SHA1

525c279d0305209f2c991581a223418d7b8df1ea
SHA256

03c3f65e4486f161d319fdb36459f097943b6118a2ae8dc8fbdcb73b75c570fe
SHA512

e582636688afca4772e65b5fa952981b33ce0a017f16330ea5b7ba54f5b1bbc2e7ac4b276968c47037fbd957f0cd3e7ff1e71cbd0a5cfe6b0768762c9fc69ba0
SSDEEP

768:UwKhWkPQm2vBp7sP+mkr0WyEi7OJYRzPolIUczJ5gd:kh38GtuByE/WzAlIUczngd

Score

1^/10

Malware Config

Signatures

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3436	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 2976	3436	AcroRd32.exe	91
PID 3436 wrote to memory of 2976	3436	AcroRd32.exe	91
PID 3436 wrote to memory of 2976	3436	AcroRd32.exe	91
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4052	2976	RdrCEF.exe	92
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93
PID 2976 wrote to memory of 4656	2976	RdrCEF.exe	93

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\7d05a2417438d961bc5f5e135f7cba26.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3436
- 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
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2976
- - 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=F67FA2E7E468E5143F701BBD3BB53A90 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4052
- - 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=BD44B7B8C4CAD816BFD7646DEAAF8B9D --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=BD44B7B8C4CAD816BFD7646DEAAF8B9D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4656
- - 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=65D90ECF2B85727B009996BC6E01FBBC --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2304
- - 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=B60E78FA8FE18E84EC95D6824F2CF8F1 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2968
- - 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=A3D07E2DC8B428541C99758B4700CABC --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=A3D07E2DC8B428541C99758B4700CABC --renderer-client-id=6 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4752
- - 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=96A5CAE145B81722F1903E5C4F55C131 --mojo-platform-channel-handle=2640 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3820

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4532

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
2a9edc56e8a13d42e1ae97a41e30ecda

SHA1
bbf72d8c8287f38d2a4cfe3e9bc531ae7b6d652c

SHA256
69c00ea6d188956f10e1be2d42607d0ae4302443e695bb235cc6c6da75bf11cd

SHA512
09a8c58aa1fda98a05edde9efd050097b4152a7a9dd644e2edb13d7eec8b954854f9a7b23c7c02bbbad35d5fdac7969be1c7962e5660a6b4ddd10da290e5d808

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