45a96fe779687f343efa0e495ed0a3ea3d0e4357159cd23e5566e42f3d13c597

Analysis

max time kernel
143s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 16:31

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General

Target

657fec030682a65d3aaca7b614912a96.pdf
Size

13KB
MD5

657fec030682a65d3aaca7b614912a96
SHA1

a7fe7d2d5284132812df50012f95342d6fd402de
SHA256

45a96fe779687f343efa0e495ed0a3ea3d0e4357159cd23e5566e42f3d13c597
SHA512

68773564caa6117d9320d2c22ac8bfbae421aaa944ee6b90a11773e6d5cfdff85a3168115cc69a1de1342da259a7e6dc707936aa8b8e2fec98327b155b0a43fd
SSDEEP

384:WhzaNwAO9Giz333j32sx+TbOx0Qi/60G7V0Js:2hZGiDnTV0QC6dSa

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
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4696	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 1604	4696	AcroRd32.exe	94
PID 4696 wrote to memory of 1604	4696	AcroRd32.exe	94
PID 4696 wrote to memory of 1604	4696	AcroRd32.exe	94
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 4328	1604	RdrCEF.exe	95
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	RdrCEF.exe	96
PID 1604 wrote to memory of 3972	1604	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\657fec030682a65d3aaca7b614912a96.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:4696
- 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:1604
- - 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=5F545AAD9A2329A3CDC7BD096A49721F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4328
- - 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=BAA4CEC7133E2DBB9F2A4E3DD892FA5E --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=BAA4CEC7133E2DBB9F2A4E3DD892FA5E --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3972
- - 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=94391DB58BB44A6223ECA7A095A06BC4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1396
- - 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=A7FBE70CC99823B6EF4C7D7CA8CD2824 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4008
- - 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=53C5A3ADAB1C8175807B9A1626C904DB --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=53C5A3ADAB1C8175807B9A1626C904DB --renderer-client-id=6 --mojo-platform-channel-handle=2376 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2588
- - 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=8C4A9CD1B014820622BF24183A6CF7A8 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3212

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4180

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
4a90343bccce867eb52802adeb8ab8ff

SHA1
e3e1a338dff8fb1667f59a4d8e6606c57e92a181

SHA256
de976d9331f3357ea2d861baa91b9e7bfd45364e29d0c0d970c09f2dc7a20373

SHA512
060ec50243286099ef6fded990df2a7e1b13b11e78243b1cf445c062378c735d0fddac5665ef8d5d466236e9845a8dedd545ec7bf9a41e5265cf442f0f4ff873

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