b5ba2de0592744257215327e11781175b25a9290b031ce12a5b942a0a9f8fd5f

Analysis

max time kernel
141s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 06:36

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General

Target

ab3dec967a3fe252fdf247ba3ba9b11c.pdf
Size

39KB
MD5

ab3dec967a3fe252fdf247ba3ba9b11c
SHA1

30a025d1ad1e54957767b06cec64fe07d4cdbbc5
SHA256

b5ba2de0592744257215327e11781175b25a9290b031ce12a5b942a0a9f8fd5f
SHA512

df89bb9bd95c96fce47792c3fd6b7d3383bcb0adf38f4a1411e1a918458a248dbdc4dfae9d94fb98f32b8b3ba0094a0556008c1eb8759e19657e12fd4fb8e2f6
SSDEEP

768:2gGzpDweHq2r+/Ib7UwhzyrGIG4hbhJmXSV17IiheaWCsyeOj:jGFseFUwh+qIrVmXSv7IEeaWCsyeOj

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 224	2740	AcroRd32.exe	96
PID 2740 wrote to memory of 224	2740	AcroRd32.exe	96
PID 2740 wrote to memory of 224	2740	AcroRd32.exe	96
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 1924	224	RdrCEF.exe	98
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99
PID 224 wrote to memory of 504	224	RdrCEF.exe	99

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\ab3dec967a3fe252fdf247ba3ba9b11c.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:2740
- 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:224
- - 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=4F90545B9245C7369B9504F8E9926162 --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=4F90545B9245C7369B9504F8E9926162 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1924
- - 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=580057A834E2FA9AAEEE792219873DB5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:504
- - 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=AEC4650E0BA283AED97FA65CC49F3391 --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=AEC4650E0BA283AED97FA65CC49F3391 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2220
- - 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=6BA5CDC888934DF558E9E2DF3B274695 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3780
- - 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=7CA0845AA1BDCCB13B32015935827DE8 --mojo-platform-channel-handle=2080 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3384
- - 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=90BE07651A74F7F31E2A66BC0AA9781D --mojo-platform-channel-handle=2064 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2064

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4236

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3692 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:3548

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
9ae8ea207bbe2e1c8f8f33a1010f3e6f

SHA1
48e5615d978ba2b1725af0713219c27156f67516

SHA256
59fabcdf88afb1dd2e86558c9de24a8c4c2e1321e5d3960009e7db566f87a6a5

SHA512
139c96b8eea9c0d01154f6cf6d96be50b491595799d26531154d0e743c42e7c85a05bf36164659bad5f0113b43cb0363ef0ca158098a6fde0a537a6e36e43643

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