f22696a4f4d36c03dc025f580251cb15bd12657beacf155d6b31127597e0f521

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2024, 04:56

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General

Target

f22696a4f4d36c03dc025f580251cb15bd12657beacf155d6b31127597e0f521.pdf
Size

88KB
MD5

3e62119b924f2451036f408ea9b90ac6
SHA1

4213d67925360688d17ee53baa6336cbd918ad8f
SHA256

f22696a4f4d36c03dc025f580251cb15bd12657beacf155d6b31127597e0f521
SHA512

740352157730517b9ff8c9753815c30e164ae84fc87ca6227b3e045fbb98cdd8ec164e9b703f1cdc0befb244394b3e8a6e74b8fe4d4ed2df1fc5cc2d75cbd608
SSDEEP

1536:W5e0JcqcJjSQ4KfRh8nSm7rmTyQF5cBPq2uPYfnjLmN3F8HutltMMRYIt38xr:KeOcJGORh8SrTyQFiPq2uPY/C3m0lOMC

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
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3992	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe
3992	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 1768	3992	AcroRd32.exe	101
PID 3992 wrote to memory of 1768	3992	AcroRd32.exe	101
PID 3992 wrote to memory of 1768	3992	AcroRd32.exe	101
PID 3992 wrote to memory of 4968	3992	AcroRd32.exe	103
PID 3992 wrote to memory of 4968	3992	AcroRd32.exe	103
PID 3992 wrote to memory of 4968	3992	AcroRd32.exe	103
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 4996	1768	RdrCEF.exe	105
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106
PID 1768 wrote to memory of 960	1768	RdrCEF.exe	106

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\f22696a4f4d36c03dc025f580251cb15bd12657beacf155d6b31127597e0f521.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:3992
- 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:1768
- - 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=D00692FEAE3052F5ACB8A48D96A38E0B --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4996
- - 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=409326B84F471EB2129B721C9830517C --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=409326B84F471EB2129B721C9830517C --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:960
- - 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=D41E84447582902F759D730981EA5BBF --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=D41E84447582902F759D730981EA5BBF --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4532
- - 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=1D4A1775C8434ED866642A9D0B70BFC3 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2892
- - 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=C889D154FFC294041242C4387730EACD --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1548
- - 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=ECB2059B360C10A55F44B09FCB794081 --mojo-platform-channel-handle=2616 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3888
- 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⤵
  PID:4968

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=4092 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
1⤵
PID:2892

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
7e58377b52a8dcad8899926050379676

SHA1
0ea6a2e2adcf07344db0c9c210e6daa7649961ea

SHA256
1433b21c009dd2fbd0c82126c9e8345270c5490bef13476420000553d2f47406

SHA512
75854baa37e476c51b89430c52596e769e1f62a7a5f3b1d774e8cc9eac157b5d4c59960ae6c4f5ba3933b5327e2697061ce74d1a728bcd56ba216537cc5ad8cf

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