32304e3d0ac85121a8f67f339252eaf74aa53f7ee372bedf8b7f127ed78d8f93

Analysis

max time kernel
142s
max time network
156s
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 22:42

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General

Target

1ecd9b89a2a2b38fe84efc072499a65b.pdf
Size

82KB
MD5

1ecd9b89a2a2b38fe84efc072499a65b
SHA1

49788f2ad2797175525e0c2d668325826f3b260a
SHA256

32304e3d0ac85121a8f67f339252eaf74aa53f7ee372bedf8b7f127ed78d8f93
SHA512

e09acf0637708f7927aa6103f0f5dd9b0a5b56b4999087863be8e7286a8b6d32abe5a41767da16a5934585c93b1b819b23237c8ebfcb839713ecf7182118ffcf
SSDEEP

1536:LhOu3j3LzGxL6sHkzmcJLW+3aTLPMPC4uMBVWjpORLW5Nc8k1Vca:kULzGxL6nzmcJK+3a3P14uGzR+lkTh

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
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3204	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe
3204	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3204 wrote to memory of 3620	3204	AcroRd32.exe	94
PID 3204 wrote to memory of 3620	3204	AcroRd32.exe	94
PID 3204 wrote to memory of 3620	3204	AcroRd32.exe	94
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 964	3620	RdrCEF.exe	96
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	RdrCEF.exe	95
PID 3620 wrote to memory of 2320	3620	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\1ecd9b89a2a2b38fe84efc072499a65b.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:3204
- 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:3620
- - 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=C90CBA9663CA6AD4B742CF610378EEC5 --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=C90CBA9663CA6AD4B742CF610378EEC5 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2320
- - 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=E9877762A52E34EB090B1B17A1EEF525 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:964
- - 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=9906CDC462207EA08CCFDFA3AE8F8F81 --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=9906CDC462207EA08CCFDFA3AE8F8F81 --renderer-client-id=5 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4396
- - 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=67EB86DAD7B9501149414F56BF04D356 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2620
- - 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=8F3A6FD357487B8AE952CE246F3083E9 --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3056
- - 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=2DCDD0B8B43956DB2F3B94FB3BB982D0 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3324

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:704

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
8d7b5aacb91f1965e59122f07f4b66e1

SHA1
d8b88746cb1bcf42f0e6afcf33a24ef091a7d0d0

SHA256
06b83030527e1e5b00cf049ee10bc8c2850528a9ce64c5d13dae5f0124a1093a

SHA512
3d4fd65c81ac2d6db493a4d2a81ddbb9769cf869dcfdc08b8cba3ab2368f61bd32276d74948927499d82fc3251a182539aa71701eacdd3bb16ed689f9cd689b0

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