a03844da47a3731cfdd9ac33118f555eba19f5f544cb8b3e37456c8634e456cd

Analysis

max time kernel
141s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 17:12

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General

Target

77ec8fb4fd07224f05c8de7309ef24f0.pdf
Size

41KB
MD5

77ec8fb4fd07224f05c8de7309ef24f0
SHA1

2475b6c1861a21c5bad3dbe8151bd86d1159ccb3
SHA256

a03844da47a3731cfdd9ac33118f555eba19f5f544cb8b3e37456c8634e456cd
SHA512

89e838886e5e8805a52a84bcc5678db776b7c5694ac2314adca3c9de813185e57938a70faac5eb63f793cfe09695bbcc9089f521228bc7849491cb9374a40b63
SSDEEP

768:LnL1jB8iG62hfBZSlPQpoQNG/Q6Z0GxQHk1mfh15ogvoKPpC1P:DxjBTGNyRQpg/hxQHk1EhbBp0P

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
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1172	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 3856	1172	AcroRd32.exe	92
PID 1172 wrote to memory of 3856	1172	AcroRd32.exe	92
PID 1172 wrote to memory of 3856	1172	AcroRd32.exe	92
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 3596	3856	RdrCEF.exe	95
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96
PID 3856 wrote to memory of 4360	3856	RdrCEF.exe	96

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\77ec8fb4fd07224f05c8de7309ef24f0.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:1172
- 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:3856
- - 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=FA47AFFA35244C3C5472234660A807B0 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3596
- - 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=33CB230BAA4AD9E824F45A28B5E368A0 --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=33CB230BAA4AD9E824F45A28B5E368A0 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --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=FE1786BF8B32F4015AD4309793D65210 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1800
- - 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=B7EB86B8864CFCDA84B4A5B26E31C656 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5056
- - 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=CEDBF17316352F89993970A8523BB8D3 --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=CEDBF17316352F89993970A8523BB8D3 --renderer-client-id=6 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4848
- - 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=1DF7C392F5211BAB17191001447609A6 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2900

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4884

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
042016a1a249684a6ffe51bdc17696a7

SHA1
512932730d1d25b1bf59c0a7a4164e9e8baa32ae

SHA256
17b2cc1ccd166b1b0e523b0174d26d1f006ce28feffb564020e46909eb58b380

SHA512
34587ecea34b7735f1cc0b44b42735e42a267e31841d19ef484e650e970da11c2567afb67a762d880a33ee2f353043e925450aad24797969529defe4d0e8cde3

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