2f10e70a751ddf7a24ba5cc8b37d8601bf12572d6de6828bc9294bbe8ce8cda0

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
23/01/2024, 23:42

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General

Target

70dd733623db58d998d02497022f6f93.pdf
Size

44KB
MD5

70dd733623db58d998d02497022f6f93
SHA1

104b1c0bf60b49c366570f2028498c25305f796c
SHA256

2f10e70a751ddf7a24ba5cc8b37d8601bf12572d6de6828bc9294bbe8ce8cda0
SHA512

91bc07974768b1274d53587d9db7ac50bd09ed5496429708594b546abf37ce2f4fb855e50482768b2d7aec31524898cbfb7cfab8a13826849fefb6b1173d2f84
SSDEEP

768:lJpTRPNbplcSYoAyjuzqx8+jWqcjA8Z27LzUzrLTakWbb82NnKqZKS:lJ5jVt3xRgAs27L6rXaBn8LqAS

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
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
388	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 2696	388	AcroRd32.exe	90
PID 388 wrote to memory of 2696	388	AcroRd32.exe	90
PID 388 wrote to memory of 2696	388	AcroRd32.exe	90
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 980	2696	RdrCEF.exe	93
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	RdrCEF.exe	94
PID 2696 wrote to memory of 5052	2696	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\70dd733623db58d998d02497022f6f93.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:388
- 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:2696
- - 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=8073EA521625A36B53F715B1C4566560 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:980
- - 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=5A584A2E04CD7B89B1E23E34A798D07B --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=5A584A2E04CD7B89B1E23E34A798D07B --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5052
- - 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=EC565F485F56B954FE4E9933B9FA130F --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3404
- - 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=9D2849F158327F01ADA2B07E0E292227 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:396
- - 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=FD585CEC6D38F0098155684042588F8F --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=FD585CEC6D38F0098155684042588F8F --renderer-client-id=6 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1636
- - 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=2818ED91613D010E9345356447EA14A0 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4160

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4972

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
a5d6047b9b9a578e5e9b632043e04a55

SHA1
1d4ce8ffa55296932e1564ced146a3268ae3d031

SHA256
c5f8446e1e0b7682ff03695364e3f2be5c8a1720712604f293f31e7fb3ffea91

SHA512
5976d6b285b6199ba3bde439630a9d1e7d362aad41659536b0452f5bb9730812a9f1066d8170b4a4138ac00e7a77c67d1c2230fd814e1a209bce9112a590642e

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