763ad0d7e763ef10ec40384a339dca562537e826ca2f63fe81b101db291b7fbf

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 09:27

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General

Target

147c3259599b93782ae7000fd7a47e8c.pdf
Size

35KB
MD5

147c3259599b93782ae7000fd7a47e8c
SHA1

d25736ce115c6112c7f93893399baad30c6fff7a
SHA256

763ad0d7e763ef10ec40384a339dca562537e826ca2f63fe81b101db291b7fbf
SHA512

3452f556fb887288d6f1bf47a2065c6c6ef50056c56ffca4da14baaa46cda1e69046a1061baa58957c2d191b11283c1e4dc2cd8440bd3322b89241d336174064
SSDEEP

768:DFOOKVL6jKm/B5si7k4ZfEUjZx8saEFum53WT3pVSBkg7J:JcSTffdjP8sfIm5qZVSkg7J

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
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1356	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 4116	1356	AcroRd32.exe	90
PID 1356 wrote to memory of 4116	1356	AcroRd32.exe	90
PID 1356 wrote to memory of 4116	1356	AcroRd32.exe	90
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 3748	4116	RdrCEF.exe	93
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	RdrCEF.exe	94
PID 4116 wrote to memory of 908	4116	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\147c3259599b93782ae7000fd7a47e8c.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:1356
- 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:4116
- - 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=067FEB115374A9517EDE19A5D205FDED --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3748
- - 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=E02745B25DAB7298B61260D4CA27456A --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=E02745B25DAB7298B61260D4CA27456A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:908
- - 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=701A9BFCDE69ED7C8952A99060C8F10F --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1532
- - 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=BE05B1B51D2A3715F2210A7E8E9BBC72 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2960
- - 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=C4612F285F4DB8F5EB7084266508CEE0 --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=C4612F285F4DB8F5EB7084266508CEE0 --renderer-client-id=6 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3516
- - 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=D16C8FF96F0096DF15C94CBCA5E38767 --mojo-platform-channel-handle=2376 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4204

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
9b0aec4765bb9294a3ce1f08d7189915

SHA1
abc3dbee25926dbc3150ffed504337b218b4f0fb

SHA256
dc76452f94a019d80e1aebed70c7108b5632774c3da41879fa7e4d8d9423d1d9

SHA512
c19c48e46cc10864b7dbeb11f125b4fb9be1bea679f43bb932cdca47b955f8e2462ddd48f6dc3244ef564cfd07cac43683da5b64a95be3f5076a1cef94e07d70

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