6d355486ede687722f35927bbb39e7e926a8fb19a5c8f97b1271395d02d983a0

Analysis

max time kernel
148s
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
27/01/2024, 13:08

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General

Target

7a561b04b9484fd30febf633d1e5c693.pdf
Size

88KB
MD5

7a561b04b9484fd30febf633d1e5c693
SHA1

74e0c3ed1c5cbd67f50a311a98405523b100f455
SHA256

6d355486ede687722f35927bbb39e7e926a8fb19a5c8f97b1271395d02d983a0
SHA512

4d81a64b3934230654135320dc904f61bebe082fe48bf5127d84e3d60e975d1e0219f2dd412d0e40afa63cf61012b3b13799c329f4e3ba4802e1ef2153d715a0
SSDEEP

1536:HvqY6IkTNs+x4Gxr2PhXbVTDcrFi0QXHhNIWodFQ+JSq8RWOpOwrPzQxRvqjl:PqRTNeGxrohXbVTD6i0gqFQlOwrPzQn8

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
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
772	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe
772	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 772 wrote to memory of 5232	772	AcroRd32.exe	92
PID 772 wrote to memory of 5232	772	AcroRd32.exe	92
PID 772 wrote to memory of 5232	772	AcroRd32.exe	92
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 984	5232	RdrCEF.exe	95
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	RdrCEF.exe	94
PID 5232 wrote to memory of 1040	5232	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\7a561b04b9484fd30febf633d1e5c693.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:772
- 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:5232
- - 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=6EFD48C09B1C56B58276C8D8C6B53A87 --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=6EFD48C09B1C56B58276C8D8C6B53A87 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1040
- - 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=1F4E00C8E75D0CEECF51E48F25E48DA3 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:984
- - 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=1BF5241F7AD71256C69AF8462B0BBB17 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:6012
- - 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=E0962AD8080913C111DCC102A6B4E125 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1528
- - 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=CA70543517AB14179A658D0C96C4B6C6 --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=CA70543517AB14179A658D0C96C4B6C6 --renderer-client-id=7 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3032
- - 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=5C2C5A0EFDB4F12804E7A3EE8DE9A445 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5088

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1144

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
43b27d00f848a81cc5ba9e760e1da738

SHA1
101d03ba55398b18fa0e4732619e74b8c25a41b2

SHA256
b18dee4810a8e3444637511ac901dac7db4988140c757d0d80c8d69f7ff8ced8

SHA512
49c1fc4bf81b4847f19a2cd36661b2bab1e6df56fe420e802e22af2f29f419ed3eba9888a8fe9474534d32a39ad46e807060452d7450b0dc756ec4d9e18da12c

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