0b7800d5ed0aa13f5c875a550d9abbc2273f8cd411b4f83b13e1b186778f074e

Analysis

max time kernel
148s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 13:36

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General

Target

a78e07347627551f9f01da790b882393.pdf
Size

34KB
MD5

a78e07347627551f9f01da790b882393
SHA1

733ce3fcfa8ef4a844c7c8c8e5c4666983703540
SHA256

0b7800d5ed0aa13f5c875a550d9abbc2273f8cd411b4f83b13e1b186778f074e
SHA512

7cc3d20a99b451dfb0352bf71ea3462fb140ae719f27888a714aaa8b9dc981cb14ea07d12540c70c502e7e96a54da1fbb5285c5113480a5ce003e9f67137b83f
SSDEEP

768:GfP3cibJsjtg/LOR3R+Zl+l4rMBchSGoxRLllExbHHm:GnfutELOR3OlrPhSlRSHm

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3812	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe
3812	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3812 wrote to memory of 2680	3812	AcroRd32.exe	96
PID 3812 wrote to memory of 2680	3812	AcroRd32.exe	96
PID 3812 wrote to memory of 2680	3812	AcroRd32.exe	96
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 4800	2680	RdrCEF.exe	97
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98
PID 2680 wrote to memory of 2016	2680	RdrCEF.exe	98

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\a78e07347627551f9f01da790b882393.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:3812
- 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:2680
- - 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=26F641063AFB5223A40180C3DB992604 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4800
- - 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=EC23FC48F152710DE87F8179BE052CB2 --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=EC23FC48F152710DE87F8179BE052CB2 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2016
- - 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=2208DEE6E0C1DD4C1ADDCD0987C9A7A6 --mojo-platform-channel-handle=2040 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1932
- - 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=13DE1529188C8FAB1549B4B249B28A1A --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4948
- - 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=02531359C7E2D1B210E6D8EB3632F0D1 --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=02531359C7E2D1B210E6D8EB3632F0D1 --renderer-client-id=6 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3580
- - 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=09B3718DF075CD8ECA485D87B0A4EE58 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3740

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
dd532506a65deeabde828f11fa2afd46

SHA1
db4f2fa6bc1b1ee4a4d359207ec42af91bc3c00c

SHA256
cee24718b2ee52bd354aa6a5eb3ac1593d9b52905b5b5ffd182e3610deff3250

SHA512
a0e7c6bc43d844a094e65b6a491ba93c0f69c3e09f7e310a34d0594881558d525f07594f648cb493f784f78a36d15b4cfa6a3c12d14fae631fa6e477969d7805

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
memory/3812-26-0x000000000A730000-0x000000000A780000-memory.dmp

Filesize
320KB

Download