f2d3c110f0c04090054199155323a758bdd1fbd2903379e971d4a5ecf6ea5303

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 12:33

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General

Target

23ea3552220df5fc89c67e4bc6b0edec.pdf
Size

87KB
MD5

23ea3552220df5fc89c67e4bc6b0edec
SHA1

b563630e506cdb216341715e5855e2a806a6375a
SHA256

f2d3c110f0c04090054199155323a758bdd1fbd2903379e971d4a5ecf6ea5303
SHA512

ee98cd57ab2847c44b4cd97299e0c5fc52692895e453bb8b05f0fab11966c5a2f11e61e900c9da005c4d2ef60f48dbd1d765b1fdbce5a0a72701920a209a9698
SSDEEP

1536:ZfXrcBKDqRdBSk2yMbWveikbvBFsn7DOEOjCH/vgn9IFdjAvAvEfWxXMJlbNVbQM:V0/B8avEZ0O7jgG9IFFuSEA8JNMqGl+X

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
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2892	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 4384	2892	AcroRd32.exe	93
PID 2892 wrote to memory of 4384	2892	AcroRd32.exe	93
PID 2892 wrote to memory of 4384	2892	AcroRd32.exe	93
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 4588	4384	RdrCEF.exe	94
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95
PID 4384 wrote to memory of 8	4384	RdrCEF.exe	95

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\23ea3552220df5fc89c67e4bc6b0edec.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:2892
- 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:4384
- - 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=3C0A13C660EC32E77A2693AB80B70460 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4588
- - 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=56712881DCD2679154B7E325372E6C46 --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=56712881DCD2679154B7E325372E6C46 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:8
- - 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=788A7F35F655995FEDD2DCD5387278DE --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2748
- - 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=C10BAA61767818F49E17C6631FB5B8A6 --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=C10BAA61767818F49E17C6631FB5B8A6 --renderer-client-id=5 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:604
- - 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=504EA5DC9FA50026BACD5F8AB67ABDB3 --mojo-platform-channel-handle=2540 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1940
- - 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=0ECD555AB13982BACD2A3C4B5E5812FE --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2960

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
68893560270869d8640e0f88139e6c4e

SHA1
33c70eae7bb7c03f4d51c8e80e23d8b112ed6a6c

SHA256
29dfc2a719332668cc4ad9cc95cf5333f49ed37c909238112cc5b597e30e2b61

SHA512
a1a84e56c051fc96b71c6125cf069f2bf3e8f0aff30a22872eeb335fb2690ddfb16aa6131f1bf565027a025f5ea0558eeabcd2670cba06fd30771aec8788054c

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