14c4200482046c2e4c2211a8362b461abee0ee937964f2e19f4554f1ffaf11ec

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 22:58

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General

Target

17903f570711e6addff34ad6629fcc2c.pdf
Size

80KB
MD5

17903f570711e6addff34ad6629fcc2c
SHA1

ea8155fb50f5cdc464227705cb27d8fb4462c639
SHA256

14c4200482046c2e4c2211a8362b461abee0ee937964f2e19f4554f1ffaf11ec
SHA512

3df5e370ca3ab801ea186b9db0c62f5f91e8dc84f2e2a57870890526b3b4cecc5b9b6463303d8fd499e3e0b4f2ad4e8a3461ed41dbf39d1ea2fcef532e368643
SSDEEP

1536:9umQb1HCEnaOtEFGXdLXlBjWigNANHK+Bj2/XiysWOpOwrKWGG0gSoMUuJ:2ZHBbVXbWigaRKR/3JwrgGgX

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4912	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 1648	4912	AcroRd32.exe	92
PID 4912 wrote to memory of 1648	4912	AcroRd32.exe	92
PID 4912 wrote to memory of 1648	4912	AcroRd32.exe	92
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 5008	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 1624	1648	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\17903f570711e6addff34ad6629fcc2c.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:4912
- 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:1648
- - 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=11FE5805941828AACA9314C28480AB40 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5008
- - 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=890537E706C00B3EAF8CF7A68BC86B84 --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=890537E706C00B3EAF8CF7A68BC86B84 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1624
- - 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=4E5115AC24C405F07255C50E315F64EB --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1376
- - 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=357DF27AF54724E18E01CF9305A403D7 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1584
- - 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=42AAFE398F91E195DCE9B5DB8BA02DBC --mojo-platform-channel-handle=2144 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:432
- - 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=48D0B13FD198EDF845D9D4C9C558A19B --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=48D0B13FD198EDF845D9D4C9C558A19B --renderer-client-id=7 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2760

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4452

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
3273dbfe49e063976418956dc4e4be83

SHA1
cb6f320bd01d27be5c8927f91551c8522a7ee093

SHA256
69aa0dba4556125ed655c5283a4b585a39e1b5bde79aa3c710e1adb2a85a0669

SHA512
69a7caf904093da8da583592ca9d1f93926ca22f4d1fe8e66f79865f5a84f16d9b55538c6a4783b5a81b17f1b041646eeafef9f20ae8b4e5c716f52626d75581

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