5355e896b55cd4435dbf3e3fb8db70bbce0e61f5f94d2637718a96b57e91fc93

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2024 14:46

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General

Target

8f6b60e58aed2b22fc49e14826d45f98.pdf
Size

92KB
MD5

8f6b60e58aed2b22fc49e14826d45f98
SHA1

7abe33bb4ee5f0206b01ca091d3f53beda88befa
SHA256

5355e896b55cd4435dbf3e3fb8db70bbce0e61f5f94d2637718a96b57e91fc93
SHA512

f0c56960a9e2bb592c8351146a7118c37e096166c6da03931b566b24bbc0bedaaa1fcaedcc9349963cb178b1108d60df51688d9a7d33ce574973837215dacc4a
SSDEEP

1536:sDKVnmJbyti8wspB6sPs8bub30wlQEC6a0fWmX/tP34T/RmsPSWUpO7GeB:6byti8wsOsdCbkwDC6aq2XPN71

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 4056	1736	AcroRd32.exe	89
PID 1736 wrote to memory of 4056	1736	AcroRd32.exe	89
PID 1736 wrote to memory of 4056	1736	AcroRd32.exe	89
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 3100	4056	RdrCEF.exe	91
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90
PID 4056 wrote to memory of 1068	4056	RdrCEF.exe	90

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\8f6b60e58aed2b22fc49e14826d45f98.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:1736
- 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:4056
- - 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=FB4DF64B48D6BD3422B182FEA072D044 --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=FB4DF64B48D6BD3422B182FEA072D044 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1068
- - 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=25D083BA455872FF5879AC9C45E7B4B6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3100
- - 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=6FC7DCFD1AC075BBF5F4FE5CADD2A6E0 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5032
- - 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=E4C91DDB2A4CE57D9AEAE84142EAA224 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4920
- - 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=D75E63F3CBB05DFB774E336B9EB3DB27 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3472
- - 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=F923AD857252CD1EB8677FE88B0AF325 --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=F923AD857252CD1EB8677FE88B0AF325 --renderer-client-id=7 --mojo-platform-channel-handle=2004 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4748

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1072

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
dbd8ba7fad46c16eb05d2ab011105372

SHA1
3ae42df574de772a413c70920260040277519fe0

SHA256
db4db722e96adfc4d313650439a832318156aa72bd0d864891ff90d348b540a4

SHA512
c30340c3346932e2e643918ddc12d5ce09328e2ff670d0051999dda9b6dd51c31bddcd53bddec89067f27bb22149185c8f9e5d3c297fe807455bd3f6fadf4d92

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit