1ba4314952579cb670a373786d0b8b4b8761de6e47950012e5360d513b9fb12f

Analysis

max time kernel
154s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2024, 03:37

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General

Target

5a2c13a90a1456ec57ee2ea5acfe47d0.pdf
Size

90KB
MD5

5a2c13a90a1456ec57ee2ea5acfe47d0
SHA1

0cb3cb34d9f5fd0670fff11fda12bceea4a98699
SHA256

1ba4314952579cb670a373786d0b8b4b8761de6e47950012e5360d513b9fb12f
SHA512

b74c4ef80152cab27b714dab92420b1f43310470347a3e71ff07d9b6ad48cf18d51408a0e576b7acde64e7f1b6a04bf3ba35c20df1ceb6cce5fe63769b746eb0
SSDEEP

1536:vU1qoGppuUCpiykBf/x6eB4Oq0NpozduxpBgr5UbtrWkNpOPqijwkxdWLtXeIWl7:UwuDpiV6eBJq0NGzUHWqSPNckxStXe1r

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
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3512	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3512 wrote to memory of 2640	3512	AcroRd32.exe	90
PID 3512 wrote to memory of 2640	3512	AcroRd32.exe	90
PID 3512 wrote to memory of 2640	3512	AcroRd32.exe	90
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 4876	2640	RdrCEF.exe	95
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	RdrCEF.exe	96
PID 2640 wrote to memory of 3924	2640	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\5a2c13a90a1456ec57ee2ea5acfe47d0.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2640
- - 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=79E2A35C826519306C374B22031A7E27 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4876
- - 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=0B85FA9BCC3A3191F874A774103336DF --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=0B85FA9BCC3A3191F874A774103336DF --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3924
- - 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=294981148C729E1CCDD2120ED2169A95 --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=294981148C729E1CCDD2120ED2169A95 --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2120
- - 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=71D6A8CD150C9E7F5B334751C8E877D4 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1888
- - 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=A36C758E80CC0867E1BE6934F880C8E9 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=9CD116B0B649754E6866CE2060493E21 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2436

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2648

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
d85998611c0b11224e349c4ac88d8e92

SHA1
cab96f556fc58c016d42d16071cfe2f7996aee6e

SHA256
639b5787bedf947623a6c2cb46c685ba4250da274fe27aced88f6ff73dacee04

SHA512
1b423dd3b0412e0ea5520ad64e0e2c758caf5e35b40e93ee8cfe0296e1557de464c63f0a74ff3b4c76877504b2385c39c38a13735f14103606ccd3df7e53bc3a

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