2088f9e969cebccb3a0b3f373af0484fd3ba185acc01148467ddf7500dd97f4f

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 13:54

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General

Target

b10a73ebac1f26a6c6704a74467f912f.pdf
Size

86KB
MD5

b10a73ebac1f26a6c6704a74467f912f
SHA1

d4a8fd38f140f3771fdcc307b41978dc7814d558
SHA256

2088f9e969cebccb3a0b3f373af0484fd3ba185acc01148467ddf7500dd97f4f
SHA512

62bb19742d0cb5e31bf077c427060534a736b7e8366ac53e7741959b3afb7794713c828fe48a778b8bb38456a643deb29f24fa577ab2318607c5e022cfc03e7f
SSDEEP

1536:CY/FmroTPX3tW/ykVn2kKuD3Pde7AgiiqEDs/RydTTXTjtnjSHK+pQyBsbQTFzod:56oTPt+Uk1VesgTPDumFyBk9r

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
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1936	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 548	1936	AcroRd32.exe	90
PID 1936 wrote to memory of 548	1936	AcroRd32.exe	90
PID 1936 wrote to memory of 548	1936	AcroRd32.exe	90
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 4492	548	RdrCEF.exe	91
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92
PID 548 wrote to memory of 1356	548	RdrCEF.exe	92

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\b10a73ebac1f26a6c6704a74467f912f.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:1936
- 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:548
- - 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=CBB2415DF1D0424C39A07F7D91E03DD3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4492
- - 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=65B496D04AE58B4AC6DEC28E07936FCF --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=65B496D04AE58B4AC6DEC28E07936FCF --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    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" --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=1EA9A435E975813ECF22FB760212B74A --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2004
- - 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=F5C6BFDAA99C28E93CA43B3275610253 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2460
- - 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=961675F2D416E38E84FCF9167A6933B0 --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=961675F2D416E38E84FCF9167A6933B0 --renderer-client-id=6 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1628
- - 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=E2BBD551D70D4F0B970E0386CD58CEE6 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2868

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2924

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
5f7d3731c6a49e0e7c9414734acf401b

SHA1
74921eca299f7daf0a701a35bc8f8553986e2946

SHA256
c1fe4fe19d9eab78984d0fdd7b6f537c2702a6823a67634f8d47d2dbd096da0e

SHA512
7a7a3842485d07c9e1b40285746b2aaa8b1bb1ff4a419250d862aca02c9acd5ed59889c6ee47a8df2cff1b13fcda85d2598a86178756cad97d026f991259ae25

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
memory/1936-26-0x000000000BE70000-0x000000000BEC0000-memory.dmp

Filesize
320KB

Download