fe1d40ebd68eb6b03c2bf41936941d0434e638a0f5b42f4c6e5c530c2eca3e3f

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 05:12

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General

Target

0fb32cf6b18ee46d6260ade5b1abf42b.pdf
Size

79KB
MD5

0fb32cf6b18ee46d6260ade5b1abf42b
SHA1

d3230fd53d0a7ea2a54b03fd46cd47e9edf9bebc
SHA256

fe1d40ebd68eb6b03c2bf41936941d0434e638a0f5b42f4c6e5c530c2eca3e3f
SHA512

aed567d15b13934bcd3e177b3fb359cb31cd7895a2e2aa11ad443f842bad7297decad95b4d6d5dae11b4b1a67c8569e09081c0bc6f1ccf7759a9bc8be40e1639
SSDEEP

1536:KT4e7n6gAnKDLmU+YkZacwMgb+sJ1rdg6g49P+7QIZrii7lI:Nen6BngLmU+D11gb+sJDZg49P+7FZriF

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4784	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe
4784	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4784 wrote to memory of 1736	4784	AcroRd32.exe	93
PID 4784 wrote to memory of 1736	4784	AcroRd32.exe	93
PID 4784 wrote to memory of 1736	4784	AcroRd32.exe	93
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 2828	1736	RdrCEF.exe	98
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99
PID 1736 wrote to memory of 4888	1736	RdrCEF.exe	99

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\0fb32cf6b18ee46d6260ade5b1abf42b.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1736
- - 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=48A5B03331F234797B58E3FD524CC91D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2828
- - 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=8ECFD97FF58290EF484D86B660F2E110 --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=8ECFD97FF58290EF484D86B660F2E110 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4888
- - 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=6BEE804984695A193BB2697EF63A1EAD --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=6BEE804984695A193BB2697EF63A1EAD --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3328
- - 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=59B3DAE5E1804279B4F3FC9D37A5F5E2 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1884
- - 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=5C4C495F839E12FBD71B24862FDE5E71 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4420
- - 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=275B95685DDDEA4CDE18A1B5BC185C98 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2360

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

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Downloads

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

Filesize
64KB

MD5
412b65c488cb208d85bad5e812e6bd5f

SHA1
e7913ff7f7676569fd1617a507ae0df1ebf23de2

SHA256
dcd87523ce89d4d8a40796f548b568aae4d7c606a31430138658d8f66d1b59c6

SHA512
bc855323e59d8057adb99acbf637e9b3fd01defa5caf7400be487388fb528c92203a1bf3d0a9c211540d1d80d9032a793fb78c3ca8e5e1ecfccdbd6feaad3e58

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