44b272bb07e54283326c566357b08e94289f340428a91a6c5a9d2e3ec2e09fb3

Analysis

max time kernel
93s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06-07-2024 05:45

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General

Target

4b2586111aa0db542476b837ac4f1f70.pdf
Size

83KB
MD5

4b2586111aa0db542476b837ac4f1f70
SHA1

ddfe82aab00be4f35809ffc095b7ccae51115290
SHA256

44b272bb07e54283326c566357b08e94289f340428a91a6c5a9d2e3ec2e09fb3
SHA512

0c8ca2f30ec5d6eb8e1ebb4688804a3eee5ecd009cab5d4b57f446d7ea3921da296fb5ceeea57d7aef8ce87a533618c619be5e34d8f3d2130d3f0d9006c102e6
SSDEEP

1536:CdsIJKFDUhAqcWV/zg7wICSXTc7UaJj+nxQgMotI+rKjollCnPJHCuR3qNg7/5FZ:uHz61CSXIpLShWjonCnPkuR38g7/5FLN

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-1-5-21-587429654-1855694383-2268796072-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3300	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe
3300	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 1348	3300	AcroRd32.exe	85
PID 3300 wrote to memory of 1348	3300	AcroRd32.exe	85
PID 3300 wrote to memory of 1348	3300	AcroRd32.exe	85
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 2488	1348	RdrCEF.exe	86
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87
PID 1348 wrote to memory of 3368	1348	RdrCEF.exe	87

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\4b2586111aa0db542476b837ac4f1f70.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:3300
- 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:1348
- - 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=0A04DA1043B2DEA65B45EC47DD19C0E4 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2488
- - 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=76225BCCBBFAE1A82F1A20811E27C5DE --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=76225BCCBBFAE1A82F1A20811E27C5DE --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3368
- - 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=EE74C6725E99FD5EA1E6D9E041467666 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1216
- - 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=8644734AC7CF25ED2993489B8216E4B7 --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=8644734AC7CF25ED2993489B8216E4B7 --renderer-client-id=5 --mojo-platform-channel-handle=1868 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4128
- - 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=07C349119157097EC1D26AF9FC4F8110 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4576
- - 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=34495B155CD2F9183D0737166702E177 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3384

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4536

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
9a16b1883aba4999b9f61d2106c605ec

SHA1
1e2e904519a7a18250f44721fc1669e70e6096d6

SHA256
71a1f21ee4c36ebbf5ef69c537f9da347b42c620cec91fd28480744025691baa

SHA512
8cd061667990a6a5132837bce8430be1ba79dcd89b7f086dd3c35babf1db9cbe922d59e41c258d514e75ccbb842d239ad2c280eb00bacc861430797f1aa87c6a

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