27f8dfc0e0590be3c35b6bc1696f38d26290bbee269fdedc9cfbda724e3579a0

Analysis

max time kernel
143s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 03:07

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General

Target

ca5353a0e6e0b09fd4f76b385ce9992b.pdf
Size

84KB
MD5

ca5353a0e6e0b09fd4f76b385ce9992b
SHA1

7f7f8d9277119a82aa995875d34f9e5d91a343d0
SHA256

27f8dfc0e0590be3c35b6bc1696f38d26290bbee269fdedc9cfbda724e3579a0
SHA512

7db19b241a0b0f68d191e9011f6d7506a0c3230e2703b23a1be552adee6a90f2117c91def67f58f84cfdfa6cb200e687abef0c38527b44dc7c3d92071ddd4ff3
SSDEEP

1536:NFvdr/FmgmvMLOna1VJ9n8nUm9TlA8zwWKFxdw7CWOpOwrkS0q:t/9CMLB1V/8nL9T2KEb63wrkW

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1520	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 1200	1520	AcroRd32.exe	98
PID 1520 wrote to memory of 1200	1520	AcroRd32.exe	98
PID 1520 wrote to memory of 1200	1520	AcroRd32.exe	98
PID 1520 wrote to memory of 4488	1520	AcroRd32.exe	102
PID 1520 wrote to memory of 4488	1520	AcroRd32.exe	102
PID 1520 wrote to memory of 4488	1520	AcroRd32.exe	102
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 2120	1200	RdrCEF.exe	104
PID 1200 wrote to memory of 3092	1200	RdrCEF.exe	105
PID 1200 wrote to memory of 3092	1200	RdrCEF.exe	105
PID 1200 wrote to memory of 3092	1200	RdrCEF.exe	105
PID 1200 wrote to memory of 3092	1200	RdrCEF.exe	105
PID 1200 wrote to memory of 3092	1200	RdrCEF.exe	105
PID 1200 wrote to memory of 3092	1200	RdrCEF.exe	105
PID 1200 wrote to memory of 3092	1200	RdrCEF.exe	105
PID 1200 wrote to memory of 3092	1200	RdrCEF.exe	105
PID 1200 wrote to memory of 3092	1200	RdrCEF.exe	105
PID 1200 wrote to memory of 3092	1200	RdrCEF.exe	105
PID 1200 wrote to memory of 3092	1200	RdrCEF.exe	105
PID 1200 wrote to memory of 3092	1200	RdrCEF.exe	105
PID 1200 wrote to memory of 3092	1200	RdrCEF.exe	105
PID 1200 wrote to memory of 3092	1200	RdrCEF.exe	105
PID 1200 wrote to memory of 3092	1200	RdrCEF.exe	105

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\ca5353a0e6e0b09fd4f76b385ce9992b.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:1520
- 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:1200
- - 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=68A9837D067DBF0D8F2801E0703747B2 --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=68A9837D067DBF0D8F2801E0703747B2 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2120
- - 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=8170B9F2E2E37385084E36A5BB059296 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3092
- - 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=8EF99FCB0D75A91817FE4038408BF8E9 --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=8EF99FCB0D75A91817FE4038408BF8E9 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:532
- - 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=C36581DF9CE05685617E50916214430A --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=83BCBFFE5DCD531022F909EBE6497FCC --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4988
- - 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=A50703054C7A1141D1DA0B012CB1F3D5 --mojo-platform-channel-handle=2492 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:952
- 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⤵
  PID:4488

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1028

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=752 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:8
1⤵
PID:5944

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
3ad3bcc33e0ab9289cf83d93ec81d745

SHA1
8e2020d5735d6b10b460267aac23af3434342710

SHA256
b46de0bc4362bc4271a94d3504244f790f950de32385d36716fa8d303a256caa

SHA512
ae0cc6c39992f158e41b57f35d534bb84d14fde508ecc532d2132c5fc6316b85086d44df306300c798f48dd12d6e440cce78aeb435e82c12b3e838f1a4d827cf

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