717b1d70fab49837040729cdcc39921de8641e496d5c29bc0a00096cb6ad5f15

Analysis

max time kernel
150s
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, 11:02

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General

Target

16abd8f9b9d65a3f172fced499175d65.pdf
Size

78KB
MD5

16abd8f9b9d65a3f172fced499175d65
SHA1

60d422f2a770291fe97d9a5f42abe6f25136501e
SHA256

717b1d70fab49837040729cdcc39921de8641e496d5c29bc0a00096cb6ad5f15
SHA512

5567f3b4b2e14461b6167ee785f450489a53aa45f7e88e86c34c97d867467d0ab18b87d186c5e80cb7cf792ab1d1f2022711d611fb9af9ee5e2bf4c763fd4190
SSDEEP

1536:9gAcX66ZWMy43FstqAwDknjwlaZza/YEcR1WbQW8oF0Owhlzq+pCb:KAAIMyltADkncc6Y5DAF9w/Lgb

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe
4244	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 4360	4244	AcroRd32.exe	95
PID 4244 wrote to memory of 4360	4244	AcroRd32.exe	95
PID 4244 wrote to memory of 4360	4244	AcroRd32.exe	95
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 2756	4360	RdrCEF.exe	98
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	RdrCEF.exe	99
PID 4360 wrote to memory of 3168	4360	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\16abd8f9b9d65a3f172fced499175d65.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4244
- 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:4360
- - 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=820E0F13D38B504A4B45C63274993D5F --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2756
- - 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=3DB521833F8FA2A21E25E26A39D45B65 --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=3DB521833F8FA2A21E25E26A39D45B65 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3168
- - 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=EB53B9B82342D00C850E65B5364216E2 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3480
- - 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=FE218FC69BE548E0E86B1A4EA4B0C835 --mojo-platform-channel-handle=1840 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3064
- - 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=29D7E374F1740529926263859AB7C321 --mojo-platform-channel-handle=1992 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1740

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
2c138395f90ebc891d042229f828f44f

SHA1
0c9b65992271beb7c9b76c95c821a1d9533638ab

SHA256
15226171cdf65f279a60e1fce332e13848a7cb2e70a6b5550748b79a468ace83

SHA512
50617c243ec391fe4584929990aad84927470bce93a882be28abb117f3d94d3a1c5e5b3e4dc2ba7916ad2b2304e0be42d9cf51eef9a244d48738c3aeaf1ce9d2

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