8d5420071e730516a0ad096038156113d5b1fc6517b4dbee800f7d6aa07a2455

Analysis

max time kernel
143s
max time network
152s
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, 10:30

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General

Target

06b9ab3a0f0b8654b842ff483eb7e3ff.pdf
Size

80KB
MD5

06b9ab3a0f0b8654b842ff483eb7e3ff
SHA1

f70f04dd04f7d629fbe5761868f4c8dcf04f453b
SHA256

8d5420071e730516a0ad096038156113d5b1fc6517b4dbee800f7d6aa07a2455
SHA512

8958ca13e8aacb0e89fc1b6dcae5dd9d7ad1d4403e9066a85535241f509e08112e61a21b8f3f24ad34aa9550fabafc888335fa08fbb42c7d247810f7f6dbec86
SSDEEP

1536:8v6Jl6bULfgoq0hizu+XK61WBWCaWypOlL89PQpiWZdVelbL0s5C:tUbUfO0ozuQglL4YplVeed

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
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4400	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe
4400	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4400 wrote to memory of 1180	4400	AcroRd32.exe	92
PID 4400 wrote to memory of 1180	4400	AcroRd32.exe	92
PID 4400 wrote to memory of 1180	4400	AcroRd32.exe	92
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 1124	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 2960	1180	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\06b9ab3a0f0b8654b842ff483eb7e3ff.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:4400
- 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:1180
- - 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=CA514BC986D42D3C0C2D91CABE2EC614 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1124
- - 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=28E1B7A897B22BD643E902A307886CB3 --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=28E1B7A897B22BD643E902A307886CB3 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2960
- - 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=924A98EF30ACBBD0190020803BB3CFC2 --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=924A98EF30ACBBD0190020803BB3CFC2 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3928
- - 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=E46ED9E055B3F41AA3AB7BFD09D9050A --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4252
- - 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=A169B0F33135CB0D2DE4B3FA9769A3E2 --mojo-platform-channel-handle=1876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4516
- - 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=35A3AF164F0CC5808F63781E5339766D --mojo-platform-channel-handle=2500 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4032

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4476

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
a55bd19d1e287bbd56026337c5e26d92

SHA1
95350c353005733e182efa2701ee15c2788016d5

SHA256
3301256d7aab4c11eeda69b9139a7502ced28f7a6741050cf96980038b4f8767

SHA512
04935dc657462b65fc765ebc7761379441908e639a427b37e7c65b31b05b7e0bc884c41695ae4ba85bdb45cb9886f61ed135e8636c1352f530b7bb209534fc44

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