70d504f88f53dc7862b2f6f06342772a939b1f1cbdd07839f5ae90bceba665c0

Analysis

max time kernel
148s
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
29-12-2023 21:57

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General

Target

04fb2613f1fee548ee25a61e62d4e2dd.pdf
Size

86KB
MD5

04fb2613f1fee548ee25a61e62d4e2dd
SHA1

6eb7d94eb26db425871dfb245781d72d2eaf8410
SHA256

70d504f88f53dc7862b2f6f06342772a939b1f1cbdd07839f5ae90bceba665c0
SHA512

4f8347604c08f5c645099b22dd9488ddc00c3ededd72c1d51d758e7444a9e516185af3968d1b2d91e16bc59cbcd5661672843fa9c1aef5e24d80308732895318
SSDEEP

1536:Ml8tkQtmlvMwfR8X/vtqZ29iTCcHq070gPLuCmpwOWkNpOPaWCNPYFQPiKgkVlda:A2kHlkntqZ29iTCWqrgPi6zPYNoQPiKY

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
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2528	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 1252	2528	AcroRd32.exe	95
PID 2528 wrote to memory of 1252	2528	AcroRd32.exe	95
PID 2528 wrote to memory of 1252	2528	AcroRd32.exe	95
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 2688	1252	RdrCEF.exe	98
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97
PID 1252 wrote to memory of 3696	1252	RdrCEF.exe	97

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\04fb2613f1fee548ee25a61e62d4e2dd.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:2528
- 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:1252
- - 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=AE9C9D0A52091596784CC0A6086246B9 --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=AE9C9D0A52091596784CC0A6086246B9 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3696
- - 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=995C450ABDA9DC35ED4CA7E458281FF0 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2688
- - 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=2443785493B9E771AD8764ED7CADEA7F --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2848
- - 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=260FA205FFCDF2478C763333B70CA702 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4796
- - 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=CE8C843A1DB881CDD673C4BDBD56ABD7 --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=CE8C843A1DB881CDD673C4BDBD56ABD7 --renderer-client-id=6 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4360
- - 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=9A1564C09FB760A4D2F5658353A60145 --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4060

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1328

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
c80bb909686d9f76a7307f5af36bcdd9

SHA1
dbc268779f17ad9d4c40c9a567ddd1a341944979

SHA256
1bc0b1b132f65f73951a618226df8af7ab50485905c678212f3ebdcdc12e7cf7

SHA512
f56413221f96e6e1de401ca10d940de8266dadd6f4a840d7f4332a309288d4c6b83c57002ca39b9196980fb25d35d80b27158cd854a9ef7755e47a521b3e0a38

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