943c68ce4bcc0ec08b5ba3037da80f76414ea21bc72c3fe1b41ad2451ecb9f6b

Analysis

max time kernel
167s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 22:53

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General

Target

1f12df06234727a7978192cb5d4505b1.pdf
Size

80KB
MD5

1f12df06234727a7978192cb5d4505b1
SHA1

e20067d2a7cbc7e32cd89a850ec1c1a1825d7e47
SHA256

943c68ce4bcc0ec08b5ba3037da80f76414ea21bc72c3fe1b41ad2451ecb9f6b
SHA512

f3b508e43816da672320657c4d5d7243228a6ac6ea4e7d89e1ecf06d91937822aae9743b5590149a845a0e72b6cfca9a70890de0780b6cef897b8b4dbefd866b
SSDEEP

1536:Js5iqQLm6FJJrRRe+2SmvbPtbu6FUlAzZlQkWickf5np8LxF:G53QLnDRRqfzPQ6FUGzzQ3ickf5p8f

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
528	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 528 wrote to memory of 2220	528	AcroRd32.exe	93
PID 528 wrote to memory of 2220	528	AcroRd32.exe	93
PID 528 wrote to memory of 2220	528	AcroRd32.exe	93
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 2572	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 4928	2220	RdrCEF.exe	98

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\1f12df06234727a7978192cb5d4505b1.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:528
- 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:2220
- - 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=4D3FA6081A669132FB0DF750D82DC44F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2572
- - 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=E9C245936A820F174B88A663106CBA9A --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=E9C245936A820F174B88A663106CBA9A --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4928
- - 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=EFD320DD142C355F2EEC8BB2CB727B87 --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=EFD320DD142C355F2EEC8BB2CB727B87 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4552
- - 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=A3B4A1779C947546793CD895DD066D40 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1160
- - 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=9954AEDB2815C81D8385C1970977B49B --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3920
- - 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=3E0F1A35A945B3703ED418082333CC13 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4372

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3328

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
ad83aca188d70c62b2cf4254bea9f347

SHA1
f606ff2e37def1a6862a800eae6c936b5ac002bf

SHA256
3e0c4c794f48f00df2b161f879cc3861e7234c91d47078c90d4b7cd26f9ad8db

SHA512
9ee466110acbc483b1640a966bb65c90e81a57a5c39cc166b93174cc94ad95be31d25fcd62c4c7053a24bde9060ae2c60fac11184ce674d0d2f82791daa2e083

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