b80344d57e6d34a09f4be665aea5c37556e8419ccbac3c8baef5e3b04718ecb4

Analysis

max time kernel
142s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 13:31

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General

Target

725e541f7a8486a46de24bec6a08b51f.pdf
Size

73KB
MD5

725e541f7a8486a46de24bec6a08b51f
SHA1

535d27911d185ae0f15a2ce81f333210c5a220f8
SHA256

b80344d57e6d34a09f4be665aea5c37556e8419ccbac3c8baef5e3b04718ecb4
SHA512

8c1751d4e9f5c8ece3ac1e1703a102fdd10d5ced817802f7e7a2dd28ccf6f05136ef186ac8ac0ab6a00c4b2132ee493bedae2dc3286fbe0da56258119efcc6ab
SSDEEP

1536:sD9bDR8NydlVZ1i5jAKkly89M1BwvJFDzGrzfszXGhvG:sdV88VXiCKU9M1iFDzGnfszXG0

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
692	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe
692	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 692 wrote to memory of 1444	692	AcroRd32.exe	90
PID 692 wrote to memory of 1444	692	AcroRd32.exe	90
PID 692 wrote to memory of 1444	692	AcroRd32.exe	90
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 2348	1444	RdrCEF.exe	92
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93
PID 1444 wrote to memory of 944	1444	RdrCEF.exe	93

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\725e541f7a8486a46de24bec6a08b51f.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:692
- 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:1444
- - 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=47116C37C9156E98F22BAF2697FF806C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2348
- - 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=1B3053F88DFC62DF9367410BDCDEBB3D --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=1B3053F88DFC62DF9367410BDCDEBB3D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:944
- - 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=7F8A5A439D15ED3834E31539B34CEB56 --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=7F8A5A439D15ED3834E31539B34CEB56 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1520
- - 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=DF6A6770681AD420A95761DF3C7A444E --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4412
- - 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=D7190862E24C35D606C08E1539EA25CC --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1864
- - 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=673F305F2FB79CA7E2D5AAA251435585 --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2640

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2296

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
47e340147a8eac55b5fb11a3363f4e54

SHA1
f1b6ae69ffcbe150be1a674852c4162c41819892

SHA256
e15ef208d97ec1c0ccab239759166d24d4bfe05fb73bf0e7fd4c25cb3df6703b

SHA512
6cd425b722c7ace805e50a1513579186e0f898ef2dc358958fd6b7d6e96160a52eaf3e683a9b04a56835a4edff5ec8a8566486ffdce4334d6b6ce9200b830d0d

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