45ee0ae84fda6aa412db5ecbee63dcb5b4c0847aab255b31ea0236d6309c7989

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, 11:06

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General

Target

101b32a52561abce5dbab678aa0b904e.pdf
Size

82KB
MD5

101b32a52561abce5dbab678aa0b904e
SHA1

5dc31ccd38c96c689dc2cca3f5c14805af10aab1
SHA256

45ee0ae84fda6aa412db5ecbee63dcb5b4c0847aab255b31ea0236d6309c7989
SHA512

d594f2b21806ebe0578857d244fa6da59a14cdf7c8389a9630190d54783a70bd0bd77888e2f70452ec3f79021e362614c4081253d3c27e82e65d26ecc1db49e7
SSDEEP

1536:pKc1BSU/Oo58vRVRzHEG9H5p8vlLdjnbY9FsT6WHpOvtTm5RH6WHamqpH1j8zPrO:4cwo50h8tLdjnbYPvtTERHpaLYi

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
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1372	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe
1372	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 4060	1372	AcroRd32.exe	93
PID 1372 wrote to memory of 4060	1372	AcroRd32.exe	93
PID 1372 wrote to memory of 4060	1372	AcroRd32.exe	93
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 2868	4060	RdrCEF.exe	94
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	RdrCEF.exe	95
PID 4060 wrote to memory of 4028	4060	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\101b32a52561abce5dbab678aa0b904e.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:1372
- 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:4060
- - 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=8B401C2CDE01B0ECB977D72F77ED41F7 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2868
- - 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=09DE99B5AFCAD9AE4B03B7FB478D62E1 --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=09DE99B5AFCAD9AE4B03B7FB478D62E1 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4028
- - 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=6E4E20B9C0BFD0837E1257F4CB6C0328 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:372
- - 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=7E09034A10B6F08B9B4D87B10F18E890 --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=7E09034A10B6F08B9B4D87B10F18E890 --renderer-client-id=5 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3600
- - 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=325D36FD4AD0B80A40C6D57DE207173A --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:788
- - 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=E1E462C1A3849D6BFDF510A7559382EF --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5112

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3896

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
02d6e3ffde13708ade4d3e98465f00bd

SHA1
4b0a244b756225b189fc8508f9997d9f1c64215c

SHA256
1b66f82480753a1ea6c13ca0b47abc97c9507c0d6891d4da417f85acbc254f46

SHA512
8438b45bd02aca07ee271c2efb218576c63d8b6eaf2363afc02d4d998efc0cd8a967d8c753e90c893300b1b5614184fef918c27ccc3eea36ba2e576bd30f7984

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