cea87af3d1bf53ad780e7e1ff647cafed3f1120a81f4e057b6c37015ebc2e8ea

Analysis

max time kernel
142s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2024, 03:14

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General

Target

7bfefb7f6bce1611b9b63458fec8f592.pdf
Size

77KB
MD5

7bfefb7f6bce1611b9b63458fec8f592
SHA1

e30f7787a75865b0695dc0e0f348b7e2fd64774b
SHA256

cea87af3d1bf53ad780e7e1ff647cafed3f1120a81f4e057b6c37015ebc2e8ea
SHA512

54f0dfec482cbf93537f623a1376e260bf84be3476cf7cdea08a775dd2c1427a02558f1ae0e8ed3b09528d913097a7fb5ffc0c24b4d91661e7e8c4c11901da07
SSDEEP

1536:fcTjJXjjjlwyg4xL+k6sUfIwL1sQl7bWyWHpOv0OW+vaWl6WG3CGzA7u:kTjJTiyguL+kPGt1sQl7nvvvlECaP

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
224	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 4968	224	AcroRd32.exe	90
PID 224 wrote to memory of 4968	224	AcroRd32.exe	90
PID 224 wrote to memory of 4968	224	AcroRd32.exe	90
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 3936	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94
PID 4968 wrote to memory of 1408	4968	RdrCEF.exe	94

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\7bfefb7f6bce1611b9b63458fec8f592.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:224
- 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:4968
- - 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=B47A4F1E585D3B2ECEE0DA3A55D03C97 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3936
- - 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=3AA0D988EAD16F10C520B65BA674403C --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=3AA0D988EAD16F10C520B65BA674403C --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1408
- - 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=10B794195E9D763516678805DE9B1D23 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3208
- - 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=EAA66DA6213BD9F22841434658706CD0 --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=EAA66DA6213BD9F22841434658706CD0 --renderer-client-id=5 --mojo-platform-channel-handle=2204 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1436
- - 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=0F6B6185431834509606DBD769C33568 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3240
- - 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=6C01D6A2683612A4C3EB407B6A43C614 --mojo-platform-channel-handle=1812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3752

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1804

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
e0d8bd33345d3bbb4f94bd9f680d5274

SHA1
37b377c8b1c79d7f298fe48154f140355c3c0db5

SHA256
844ceb45c7e0a53a7c9e0f545e2c58f0ec15a8272850f073d0bb60c1d573fc65

SHA512
fccfca5a3283c6c2b60f9b11e7739f546936de85542b76d3b3258b75861beb4a3637fbcebe8a8f9e4cd53e907c3c5218fbdcdd2ce7e147cec3837235c7a93237

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