ea2fe794588dbe1733e8c83c444437c41daae56ac08d67c31ffdc06943957633

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 13:48

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General

Target

adee055ebfd42f1400b252d146f2f3d9.pdf
Size

33KB
MD5

adee055ebfd42f1400b252d146f2f3d9
SHA1

4b3e693f7d95a8608c7d452cfc64d1f771e7213d
SHA256

ea2fe794588dbe1733e8c83c444437c41daae56ac08d67c31ffdc06943957633
SHA512

eb28b47b9dbbe4797e752569a0f65bb45f3d00bb1b6b574f0b24d3ac20cffe5544ba7251a4f51bf8e43e180964b0545182d2f342d2fd6f30269aae85f9ece27c
SSDEEP

768:uNYWt3eZLJH1sCSJdrmN4+YDuhQjKi3Ea7ZYetG4KesvhQZcS:g0dJOJy49DCUKi3EatKepZcS

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
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
828	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe
828	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 828 wrote to memory of 3924	828	AcroRd32.exe	89
PID 828 wrote to memory of 3924	828	AcroRd32.exe	89
PID 828 wrote to memory of 3924	828	AcroRd32.exe	89
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 5040	3924	RdrCEF.exe	90
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91
PID 3924 wrote to memory of 4296	3924	RdrCEF.exe	91

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\adee055ebfd42f1400b252d146f2f3d9.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:828
- 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:3924
- - 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=ACC0D5F537091DC7D68E48F80243AEBF --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5040
- - 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=21D53F86F8E57109D44A21A06FEAA7C1 --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=21D53F86F8E57109D44A21A06FEAA7C1 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4296
- - 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=800AA893FD4049355ADC4039CBE2528E --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1084
- - 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=DBE93EF5EC7BA86FFA8E3954133C81AC --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3892
- - 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=E1423E1A7B346C7358575B0E46D69933 --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=E1423E1A7B346C7358575B0E46D69933 --renderer-client-id=6 --mojo-platform-channel-handle=2200 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2604
- - 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=51DE6BDD7E10B6668E542BB49BF2639A --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4752

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
8c3e8b67cf911c0dbc7edfcf67fbd604

SHA1
1856525fec8bf3c131eb8f8168970c8ee75f7774

SHA256
cd6b4ef4222c16cfae5934155a4f656d1db73b2ed549a584637b80358cbfd33a

SHA512
835859b01a6e80fb6552068546329640190588b89e4a0ced0367d259384e96b3a93c47bb4743645ef193902b120e6490727419224b565170436d2a2421dc1082

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