c671b35b323817f8d7abf71939f46c84f263c9330aa742c35e2df2dbc6a9c89a

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 22:07

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General

Target

78833a03074ef5ed474847bb57cf1892.pdf
Size

73KB
MD5

78833a03074ef5ed474847bb57cf1892
SHA1

baae967889628cd838962d2d7f387ce0ce004461
SHA256

c671b35b323817f8d7abf71939f46c84f263c9330aa742c35e2df2dbc6a9c89a
SHA512

1b9ee1b0ec3ccea86dd1b6e1edabbde6a02f86a960b83bdfbe6fbc22ffcb3400808b5bdd3251034148f401a494c3cd3d18cdda311b11a638e879dd67790ffa6d
SSDEEP

1536:YuoUn6BSvmEfZOw7uUwKsZe0SvFdyL0T/KillglNkpKaRhjgKoK:roUESvmEX7uUwhZlSvGC/Ki8lNkMafjJ

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4132	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe
4132	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 1944	4132	AcroRd32.exe	90
PID 4132 wrote to memory of 1944	4132	AcroRd32.exe	90
PID 4132 wrote to memory of 1944	4132	AcroRd32.exe	90
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 2672	1944	RdrCEF.exe	93
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	RdrCEF.exe	94
PID 1944 wrote to memory of 3356	1944	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\78833a03074ef5ed474847bb57cf1892.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:4132
- 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:1944
- - 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=E9BE92711D7ADF883DA3B27831403A2D --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2672
- - 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=BDE5011B0BE80A714F0F7551A9CEE533 --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=BDE5011B0BE80A714F0F7551A9CEE533 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3356
- - 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=FDEA52D76E0B3933B2FFAA1158882F35 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:6052
- - 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=DB8A8C8E1C1F55E1E799C8A1947E4AF8 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5716
- - 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=8704F859055A7EF02F53C8D46CF2026B --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=8704F859055A7EF02F53C8D46CF2026B --renderer-client-id=6 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:368
- - 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=01254A1815560E9D9AC7851DBD647063 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3016

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4920

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
0eba18f9ed290f40da30942b15f68019

SHA1
c64347c28e781c6603bc490a7647a1fc3b383269

SHA256
3073bd756d4e2daf2a1a149b28274a430fbacd3add5bcaedecf0188c56c34177

SHA512
1d745cd2d65ffb3e753c8b3dde94d39c72989d95348e22817ab0a24cc17ed27d92fa08714fdec82de0a2c795a9f6fdf68c7b8f6de1ce4c6f177b07528886e097

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