dc7af40be2d5619821d73fee69e0b09de9438667ecec114289c25cdddc5344c8

Analysis

max time kernel
143s
max time network
166s
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, 12:27

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General

Target

1880f4534ea929942a6132c36c3ce4b8.pdf
Size

87KB
MD5

1880f4534ea929942a6132c36c3ce4b8
SHA1

e9865d210785c2a6f74b4ea82792a5718ec27537
SHA256

dc7af40be2d5619821d73fee69e0b09de9438667ecec114289c25cdddc5344c8
SHA512

7abf0a458f092613d81a1fb16b7269510100f6a68cc249a0d1268f39dc7c8c2a2a1b1966c7367e0f3559002a6ff924d19eac3f4ebc36e9d76523c1cc9fe1af46
SSDEEP

1536:q+EKgCchdwRHLaVkKnhgpQnh2FFNBMy2pIp4ZWkNpOPaW+P9AEYlX1Kz/:GGcLwRWjuQnh23Nh2pIfPUFHYlXc

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3428	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3428 wrote to memory of 1108	3428	AcroRd32.exe	92
PID 3428 wrote to memory of 1108	3428	AcroRd32.exe	92
PID 3428 wrote to memory of 1108	3428	AcroRd32.exe	92
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 3516	1108	RdrCEF.exe	93
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	RdrCEF.exe	94
PID 1108 wrote to memory of 2396	1108	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\1880f4534ea929942a6132c36c3ce4b8.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:3428
- 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:1108
- - 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=ABC641BFD8D4CC87EAAD061282935E0F --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3516
- - 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=5B22A706DF0972CF1C03C250B857180C --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=5B22A706DF0972CF1C03C250B857180C --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2396
- - 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=ABD0A74E630AAA4EACA4A2DE5ECDBC4F --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=ABD0A74E630AAA4EACA4A2DE5ECDBC4F --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3844
- - 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=5CF4D71A5D9B12891E9F4210F2B03AD0 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1080
- - 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=6AA540A3E7D466EB36B28C287D13F772 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3352
- - 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=5CA0890599ACDB913DAC4C4A5A531154 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4624

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1240

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
e88ca4982164aadcb4ce70de0175589f

SHA1
9c1d78ffd61d31d77bf77bf0056156bc87b273e1

SHA256
3c78ec42722d9b8b45e5f6815cd0c4c782a17a9e81568830fd3db04d108742fb

SHA512
0a21810fd4d8160f3ccab1be34ead549da47731628fb227d0b8fe67a8a88edd2b5688030ff919d67230dd5778a58545ed3c4707e607b480a0a1cd68b28281b62

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