34cf5c5eb5dd3673b8bbbd1742e259bd16273d60c7f55fb676dfdc4fbd494d6e

Analysis

max time kernel
94s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
16/07/2024, 01:10

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General

Target

41c7d27d8b52151ad2c5b9f6601e6e80N.pdf
Size

69KB
MD5

41c7d27d8b52151ad2c5b9f6601e6e80
SHA1

c842274402c75e941f81ca638fd3fad875e6b4c6
SHA256

34cf5c5eb5dd3673b8bbbd1742e259bd16273d60c7f55fb676dfdc4fbd494d6e
SHA512

21603a7baf6bc546dc1ea12df216bf965c35b7b2120fbfd8e4f4661470973e0d96b31db9cc1c59d1d0bc8c491765a2ecd13c022bd1c695d6e2862fa61b1b3258
SSDEEP

1536:+n24RFSIxdjN7lmcgnCGfUoDX2dU4hyY2OFKux8biD/bZ38Z:+VWsxjiCGfUIGSi/Kux8eDTZC

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-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1480	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 1572	1480	AcroRd32.exe	86
PID 1480 wrote to memory of 1572	1480	AcroRd32.exe	86
PID 1480 wrote to memory of 1572	1480	AcroRd32.exe	86
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 3692	1572	RdrCEF.exe	87
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	RdrCEF.exe	88
PID 1572 wrote to memory of 4996	1572	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\41c7d27d8b52151ad2c5b9f6601e6e80N.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:1480
- 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:1572
- - 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=314535B3DC32528E03E50061586E12ED --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3692
- - 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=50781368CDD46BA1AC7FDC0010389312 --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=50781368CDD46BA1AC7FDC0010389312 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    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=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=E95B27920743CC09609F9C669C93DA90 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2572
- - 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=EF7E8C3E5E6DCC1228A2566AB78C82C3 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2300
- - 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=8B42147BC77355D0E96A0B8D9A185088 --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=8B42147BC77355D0E96A0B8D9A185088 --renderer-client-id=6 --mojo-platform-channel-handle=2508 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2156
- - 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=4A2FB39AD4BE256B8E15F6E1BC188CFD --mojo-platform-channel-handle=2736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3964

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3480

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
bda6db2ceaab2488ae14f94a13ee1eb0

SHA1
3f0b92615440ea8441ca4fa61826d75b6a3a1819

SHA256
61e0251045a80573baeb22fd4d2fc1f8afa8a9a33822693d267efea47c1131e5

SHA512
771f2fb6dbe61a1658cd878d07a2dbf1281202e44f1d2beea92656770232901930e33bf03ffba72ccb45fd5d7e4a64c5ffa94288fef34d7ed5ad2312134b708f

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