b42ca001e5e5eeed34bcfbe665f7aac9e6b0c24279e17cbdcac976b8a5ccd95b

Analysis

max time kernel
152s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 03:26

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General

Target

26590b8030ae0d9f7917864b3e5a6fd4.pdf
Size

88KB
MD5

26590b8030ae0d9f7917864b3e5a6fd4
SHA1

cbf16803016b196c629850e93aa3d7554728c19b
SHA256

b42ca001e5e5eeed34bcfbe665f7aac9e6b0c24279e17cbdcac976b8a5ccd95b
SHA512

73776bc7f9105033f561f7f9dbdfdbd5d4aa2fda3076be2d8e4042293745983244ca9dcca8679873de5504692fa7f83a0161547173637eb933dcd7e61adadaff
SSDEEP

1536:DwqQ938SA2gKcY4mXAaKGAWn4BsqOJXFNReBw3WkNpOPaW1pvJWTaPKgKoOGp1T:YsSA2zr4iKGAEUsqGFyBwYPBvJWTaPCE

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2420	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 5000	2420	AcroRd32.exe	95
PID 2420 wrote to memory of 5000	2420	AcroRd32.exe	95
PID 2420 wrote to memory of 5000	2420	AcroRd32.exe	95
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3524	5000	RdrCEF.exe	99
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100
PID 5000 wrote to memory of 3512	5000	RdrCEF.exe	100

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\26590b8030ae0d9f7917864b3e5a6fd4.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:2420
- 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:5000
- - 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=2247FAA21AD57C0B55274616FF046018 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3524
- - 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=47AFC6C1FD42307B22B23BAC977D0B47 --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=47AFC6C1FD42307B22B23BAC977D0B47 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3512
- - 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=13BA0D4FD64A966243214B2EC4DDE928 --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=13BA0D4FD64A966243214B2EC4DDE928 --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3288
- - 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=AC4B6AB070F55D0F9A29C8A380E51373 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1896
- - 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=86AC3E1F0979AAB2E09507E4B9DBCEBB --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3788
- - 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=6AB3A4ED4D4C91E4ACA9DDA968F159A3 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1572

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4764

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
a5db9ba83e30e22affc4ac8e225281ba

SHA1
234f7e4fc9b2b49a7b7bf17041d29dc57df22621

SHA256
3ef7e18143a5fc13e16efba7197a0d77c9ae8d48a7c0423463c54aa77e14f66a

SHA512
914ab2992e1403a6f9303a72ee23459c55fc85455a772d3de988ed55db6fc5cc3b4ca9bd62124dffcbd8624608993b7bb1954e8a8bd407d2c0db01447bfbc0fa

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