f8ed8bc600ebc40b6b66b545e97e4320a14c62b5f33e82cb3cfed90ee494f589

Analysis

max time kernel
148s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 08:58

Sharing

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General

Target

65001e65ad7e3d1aafb9a9e6c8d12b54.pdf
Size

42KB
MD5

65001e65ad7e3d1aafb9a9e6c8d12b54
SHA1

7d7adbd1786d08118d932eac909417c7f7e5c38e
SHA256

f8ed8bc600ebc40b6b66b545e97e4320a14c62b5f33e82cb3cfed90ee494f589
SHA512

8672e2aa5487aac77724ac17992ca16f2a6296d644e93440ca54fb1da5e29e28f1e20f2655bff177cb61bb70f0dbb6b7cf80446b4ad0447be7383f444a7c719a
SSDEEP

768:wEEF15Qhv9YHKbcf1CL128mSqNDLszpnGUovccC4oSZUJgDRqZ0Yu:hEov9Y7dCKnVsNYroSZhYu

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3976	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 4380	3976	AcroRd32.exe	93
PID 3976 wrote to memory of 4380	3976	AcroRd32.exe	93
PID 3976 wrote to memory of 4380	3976	AcroRd32.exe	93
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 3716	4380	RdrCEF.exe	94
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95
PID 4380 wrote to memory of 1588	4380	RdrCEF.exe	95

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\65001e65ad7e3d1aafb9a9e6c8d12b54.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:3976
- 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:4380
- - 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=4541E13573206595AB8408D5167C3A82 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3716
- - 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=FEBE033DB0D10EB921F6DF4D35BB5CF6 --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=FEBE033DB0D10EB921F6DF4D35BB5CF6 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1588
- - 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=E9B03E57098736C58D3C8B1458B23BAD --mojo-platform-channel-handle=2268 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:748
- - 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=D02D8794521F44BD1E1458E58B4DCB5E --mojo-platform-channel-handle=2380 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3244
- - 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=3242DF964A98D5C8D100201126161FAC --mojo-platform-channel-handle=2360 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:392
- - 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=AD252325CC1F3C7B2AA081CC677D3B85 --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=AD252325CC1F3C7B2AA081CC677D3B85 --renderer-client-id=7 --mojo-platform-channel-handle=2508 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4892

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4992

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
fc4ff9d5e5d82ad3861efccce1f15728

SHA1
44ed856c7c3bbeb459b5e50feea36b20e23c49b6

SHA256
7f4d18fc9f4349a9d94616421179b7b4c49abc839d794b2bdc30a838a128c3a7

SHA512
b6116f00a2614aa682c05f584eb8947b505c9bcef537429e76c8bf260770fcc5db9dfa7158c002a4b26a25fa8d237008b9553dfbecd656e693b4203fd5a36a1a

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