b97b64b55bba3191f2b85d74547526f4e7f55a74e54d3db31657f327b051d591

Analysis

max time kernel
169s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 13:08

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General

Target

4b84ec874a3a51f8fe7b672f21d84e29.pdf
Size

85KB
MD5

4b84ec874a3a51f8fe7b672f21d84e29
SHA1

522d1b086bd05dfb762c06e41d7beb1222d16cbe
SHA256

b97b64b55bba3191f2b85d74547526f4e7f55a74e54d3db31657f327b051d591
SHA512

83e2d4b839067db0df8b4036b6e90b88d8d5da8f1bb44dd330293d8dd75e7f7feaf6d1d4518767c8ed210b9e53fb5939529c81aaedef0f56153f8140160f58f5
SSDEEP

1536:aeHPWHmbfhfccJQz6QbsDIgd5JiPNFSwcVWWGpOKlpmqVW+X0esXjlB:XPDVkcJQnsDIghiPNFi/KiqiesXb

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3760	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe
3760	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3760 wrote to memory of 2784	3760	AcroRd32.exe	94
PID 3760 wrote to memory of 2784	3760	AcroRd32.exe	94
PID 3760 wrote to memory of 2784	3760	AcroRd32.exe	94
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 3212	2784	RdrCEF.exe	95
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	RdrCEF.exe	96
PID 2784 wrote to memory of 2360	2784	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\4b84ec874a3a51f8fe7b672f21d84e29.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:3760
- 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:2784
- - 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=FE6698C8684051FBD00423E424279346 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3212
- - 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=F53CD826BDD4156D5E7D56B5C648D24D --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=F53CD826BDD4156D5E7D56B5C648D24D --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2360
- - 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=60C5640EB9EE7A32E04088700E95FA00 --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=60C5640EB9EE7A32E04088700E95FA00 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1820
- - 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=7F192B738A4D5DAADC2630815995732D --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5012
- - 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=16EF3CFD11C228BE4AEAAE3394B93E5D --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4928
- - 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=0F1046D0E1B1DC7E40A63B01A3F969CF --mojo-platform-channel-handle=2500 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3372

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1516

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
5b69f7498c740fdd87032535202fee79

SHA1
2cbf1296655418128d04cfc54eb7bc008d3f7649

SHA256
89079cd02c497447c6e99ecb6ddc06b01adb6dfda6aacf156b62317d696f8fab

SHA512
410f734a2a1abb16ac9d7e8f38b4133a89816d49e69c34ab86dc566c5b499f523037fb71dc18f31fbaf9b0c0f9c1bafcdce6c0d4dc4b1b8a27d92610d09a38ea

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