0ce5e5be2bd5eea2fe56e9332eb9f7aee3d7c78df61fe41ba3fde8e268076f12

Analysis

max time kernel
141s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
10/06/2024, 14:26

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General

Target

Doc/ReadMe.pdf
Size

1.4MB
MD5

3d635855f251f7f1b8dbcba8414b192f
SHA1

be5b96a0231ac1796b72ac71ed47d9f893b7fa66
SHA256

f8d0f3406e2f0b4dfc542d0d8337ab927e21d3ce15fadd31fb061cb465a28f2b
SHA512

22c54b7a3fcde12102f3dcec356feb480e2e0c0413542e85756fd83bc6364aadc612222fac35461fb083a6925b5d81b92881983c30cad4630115f65387ba8f62
SSDEEP

24576:o0Oyf4L8RR58CBswAxpFZuAi8cMYPG4eXwLlUZYxtE9ENTicXDosWDSQ:HRR5JSZl7cMYeXcUZCtE9EZbKSQ

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-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1820	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 4132	1820	AcroRd32.exe	86
PID 1820 wrote to memory of 4132	1820	AcroRd32.exe	86
PID 1820 wrote to memory of 4132	1820	AcroRd32.exe	86
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 3944	4132	RdrCEF.exe	87
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88
PID 4132 wrote to memory of 1456	4132	RdrCEF.exe	88

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\Doc\ReadMe.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:1820
- 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:4132
- - 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=89898EC6A068BA655DA493D95C3076DE --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3944
- - 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=F50775FB227299F01C7B3D6B622E9BA4 --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=F50775FB227299F01C7B3D6B622E9BA4 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1456
- - 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=6451E7D659A34F84EBB9BAAE63EA2CEB --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=6451E7D659A34F84EBB9BAAE63EA2CEB --renderer-client-id=4 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1368
- - 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=D44FEC4F44C85781221CF468D287BDEA --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:452
- - 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=779C483B7725B2BEB9827A1F8A20E607 --mojo-platform-channel-handle=2864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3240
- - 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=9F1454CECB157609171A2C62B999CC48 --mojo-platform-channel-handle=3036 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2648

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1272

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
5970dad8eb2652df2620161f8c9913e1

SHA1
3600604c423de0bf1e6e46b69981ed17489e4e6e

SHA256
92198703aabf7154e2eed3a34d8066f094dcec791d1b977cfbffdfb92327b99d

SHA512
0890c0f115308c50c4b5f1187cd09198728d04bbc0a8ba1e59f5ddb7e716648444f069cc7b70937b9e3d541f5a092be47004e47bd4dc857edba2375b1a111a26

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