f78d0dc02fce80cd37095397b3803386680ce3d08de49fd07612db6caae716ac

Analysis

max time kernel
141s
max time network
148s
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, 12:24

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General

Target

20d2ba6b566fd22031962c9f1e3f88ad.pdf
Size

87KB
MD5

20d2ba6b566fd22031962c9f1e3f88ad
SHA1

d041002c301e4ce780b9293c8f2fca665cb4bf38
SHA256

f78d0dc02fce80cd37095397b3803386680ce3d08de49fd07612db6caae716ac
SHA512

efa8a6e2d7a99e74885cbe83b17d29a0d37fcdc8f7ad599499a56c96e2051a041bf30a8b09521a53ed81aeacc25163e0812dc0f567c5ae7e9efa2f1ff7fde0fc
SSDEEP

1536:DQlU+xkA7J4XntYC4wl3ldXkHr8fU+YzAmYItbWQpOCoWBv7G5bOxP5xYTp:ElU+X4XnuVy1dHc+CA7UGCRvS5bODxM

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
956	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 3876	956	AcroRd32.exe	95
PID 956 wrote to memory of 3876	956	AcroRd32.exe	95
PID 956 wrote to memory of 3876	956	AcroRd32.exe	95
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 1308	3876	RdrCEF.exe	96
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	RdrCEF.exe	97
PID 3876 wrote to memory of 344	3876	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\20d2ba6b566fd22031962c9f1e3f88ad.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:956
- 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:3876
- - 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=6745F339F8C056EF41DC7300025D96BA --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1308
- - 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=03EA97493A983C01E17EB752809EB41F --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=03EA97493A983C01E17EB752809EB41F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:344
- - 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=9DB25FB0D4BD147BC86234608B2F26D1 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3964
- - 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=F95CBA8BE28EB83DF02B89A494272052 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4120
- - 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=087A20310827C314EFBE90BE0479C00B --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4532
- - 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=5FD94D421F50F23389966BAC230795EB --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=5FD94D421F50F23389966BAC230795EB --renderer-client-id=7 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4240

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4432

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
a0b89fe80f3a129c7a98c1e4a22bce5c

SHA1
60101aeec8e489570467449799cc038f2a88d7b2

SHA256
9cea0cbe229bf6c3e45625ab9b01f2a7087866d9b19946e3843c37c3e73753d1

SHA512
d83e2b16a6ad572388ecb7f8a6af0b4d1e0f0fd2e89adf1209c26f8b0ed905db4a27d40516a5a5e41ef8ea63e1b58f36312bcacc8e26acc4830192094158be60

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