6ff4dbcb06583a3399ca3d6bff56fbda38d010c91e46abbaf82803619c7febbe

Analysis

max time kernel
142s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 06:53

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General

Target

d57a675553a51d40445577c04ef5bfda.pdf
Size

34KB
MD5

d57a675553a51d40445577c04ef5bfda
SHA1

dffc76865efc7e4d52e247ea89de2c44e862dc70
SHA256

6ff4dbcb06583a3399ca3d6bff56fbda38d010c91e46abbaf82803619c7febbe
SHA512

93fa93b41858a8778145b09cec20f3b9e2fe08781cb4dcabac7949b82565830fc4d12bca06f5e2a122f3c5f59ba8e7d533292ceec9bf6cb452aa0a78b1e32b07
SSDEEP

768:8qg/c4susfScH6es/WS4KFStqOMMkXc8fANfowdeDh6:VekDOOKFS1kXJAywKh6

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1344	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe
1344	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 1508	1344	AcroRd32.exe	101
PID 1344 wrote to memory of 1508	1344	AcroRd32.exe	101
PID 1344 wrote to memory of 1508	1344	AcroRd32.exe	101
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 632	1508	RdrCEF.exe	104
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105
PID 1508 wrote to memory of 2616	1508	RdrCEF.exe	105

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\d57a675553a51d40445577c04ef5bfda.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:1344
- 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:1508
- - 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=1103E4CDDA30D5C2915A46DBEBB22862 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:632
- - 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=5E0CC166324BE7CD0C30A935C8E4DBFD --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=5E0CC166324BE7CD0C30A935C8E4DBFD --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2616
- - 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=FBECE3559BF5B0AB52910F59DB61A080 --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=FBECE3559BF5B0AB52910F59DB61A080 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2080
- - 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=5FE68F0D84595C5DC2FF958017289F6D --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5052
- - 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=5A95EBE34EB04ABA1B195C83B522D595 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5080
- - 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=AB079D60628D37B660CE4BE4545666AA --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5164

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5252

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=3756 --field-trial-handle=2256,i,18272763564106695635,11201593968620719822,262144 --variations-seed-version /prefetch:8
1⤵
PID:5396

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
7b0ca52eb90a7d8998bcc8917f76016a

SHA1
65b76ac825c95ce9d4cf62815ca2be6df33a49cf

SHA256
8d2c3509f009c9d751357a6f361ef3e752223258d3e2c6128e30625758def92a

SHA512
99f7a4e2b39c8173dec400cdd9177dc59880d856e7ee6b69a4172d4ceb044abf3295fd483bbae5acb61a064a874dfcac8d1ab117d6eb54b04ccd4feba86775db

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/1344-28-0x000000000A260000-0x000000000A281000-memory.dmp

Filesize
132KB

Download