865061f9c7538d9538d05484e440e77427906f0a2491c33e737504612fb9ed12

Analysis

max time kernel
145s
max time network
156s
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, 16:34

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General

Target

f39c7f96e66c73ad529d5f8eef999107.pdf
Size

35KB
MD5

f39c7f96e66c73ad529d5f8eef999107
SHA1

29c4b5cb6574bbfc8b0a5ba51281d2e7bf590234
SHA256

865061f9c7538d9538d05484e440e77427906f0a2491c33e737504612fb9ed12
SHA512

b5522b8e2d12371d873da41898a797e4b193b6c712bade351de29e92e6e28209927685c7da77c68185351ec4aa12df4af468d6b9a612bb23ad077861b9e49527
SSDEEP

768:aJBoV4McRV7sX25b2omQ40AiE8tQDSJ0FNL2+4J3aPP:IO4F82J2omQ40s8OSJs523J3aPP

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2764	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 2332	2764	AcroRd32.exe	91
PID 2764 wrote to memory of 2332	2764	AcroRd32.exe	91
PID 2764 wrote to memory of 2332	2764	AcroRd32.exe	91
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2868	2332	RdrCEF.exe	92
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93
PID 2332 wrote to memory of 2356	2332	RdrCEF.exe	93

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\f39c7f96e66c73ad529d5f8eef999107.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:2764
- 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:2332
- - 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=5CF36756B1CCC2318990CBD592A24654 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2868
- - 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=564F7D4CBB41D5923DE585A573A72AAF --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=564F7D4CBB41D5923DE585A573A72AAF --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2356
- - 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=61D81DE48E69457052069F08620724DB --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=61D81DE48E69457052069F08620724DB --renderer-client-id=4 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1428
- - 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=88BB69EA41F62A22665EFE72F62E5386 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3476
- - 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=5D51AF56BE5CD49E373A0B5EAB7624E7 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1096
- - 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=142EFD33C6A41AFE9F8893FCA239D036 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4452

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1348

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
38f6342168cf259d24ca31e5801f2a82

SHA1
bb5f85273aae35fc34e5ed3656c462af0b184a0d

SHA256
b9fb355ceb4941186ed7d0f6af6de47e061139904e5de81c81c7f8b082e33cad

SHA512
c840696909ab53b6e1f5ed42011702110212eb667139c2c113e2f5da3a5f96f19d578eb4f47cd2431d305189f4e0846ca8d31765119ea73947b2eabaaacf3276

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