2fd8d80776e82e63de7d95ca37ec2436f7c694a8c1039f155f982a0304fd6178

Analysis

max time kernel
143s
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
19/12/2023, 15:57

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General

Target
5603ddd2e61b037eeb4e6bc23de50f92.pdf
Size 85KB
Sample231219-tdyltscbf8
SHA256 2fd8d80776e82e63de7d95ca37ec2436f7c694a8c1039f155f982a0304fd6178
MD5 5603ddd2e61b037eeb4e6bc23de50f92
SHA1 e90b04001f5fa96bcd81b2f574b1cb44cb03b9d1
SHA512 4dcc6200217f41ad21c924f93497c1ae26db26c4c476443894f1b3b6fe3dee6231d5321cf69b006defe99ca104886d0b96cfa59449d49d2140b8b6f63167317d
SSDEEP 1536:3kOs32leMeZbjw06ah55oCCze5DMipWspORGWO26ee0TrPaj/:vs32leMea0Dh55azeWiARb6e/TrPy
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe
2824	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 772	2824	AcroRd32.exe	92
PID 2824 wrote to memory of 772	2824	AcroRd32.exe	92
PID 2824 wrote to memory of 772	2824	AcroRd32.exe	92
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 3476	772	RdrCEF.exe	93
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94
PID 772 wrote to memory of 4680	772	RdrCEF.exe	94

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\5603ddd2e61b037eeb4e6bc23de50f92.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:2824
- 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:772
- - 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=D724F8176469503A9FEE9C24BC00E51C --mojo-platform-channel-handle=1752 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=F98457A4626E76C9A67AE0067C106DA9 --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=F98457A4626E76C9A67AE0067C106DA9 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4680
- - 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=511D0EFFD81287114F4BD691C1094905 --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=511D0EFFD81287114F4BD691C1094905 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5068
- - 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=7A6067FF9A6ADF4CCA4A8E779BECBE47 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1892
- - 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=F5493210A57DB88584C410BAB8E3C034 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4436
- - 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=3868BB64F552052FC19E7ACA8C494CCA --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4516

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5004

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 1eafe67bb6b09f864678d52a8df61425e455296af70f53257628b804f9f8a334
MD5 671752c8902bde7bcdab341511fc5dfa
SHA1 020e58fab8b45252427f262b138a18cc2791972a
SHA512 44e000a7abcef19ef21a01df52a61dc5ab43a938532274c388991d42f6dd3c5505cfc2b4e21c98c1a65e0b8194434ef6676fccdfac24e4de7a8a9c0ac5bb6f73
SSDEEP 384:ye0dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:H+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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