cbc4f0c5cbd3f296f66dafbcb42ea0c4c384ddc98b005dcb2fe6cdd42e1ddb38

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 00:44

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General

Target

c7421715f22310623b8284b3e5779b5a.pdf
Size

87KB
MD5

c7421715f22310623b8284b3e5779b5a
SHA1

2f59fc1a06abfcee7e7a33ed6969a283a3d7fd0e
SHA256

cbc4f0c5cbd3f296f66dafbcb42ea0c4c384ddc98b005dcb2fe6cdd42e1ddb38
SHA512

a991b1a50fcf3ac8e1612233771a22ba99c54433139d0e58afc901d9ef92bbf3b35952e23c82a30706aa871c88d633a32b21329138472cc392bd769869661981
SSDEEP

1536:5u5uk2mvh7Ym4aYwz8yZFUX+HPANNyW3wjdC5fsTWil4gH99GsmWQpOC/FH:3m5kNaAyZmX+HPAGD3l1isZC5

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4960	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe
4960	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 1852	4960	AcroRd32.exe	97
PID 4960 wrote to memory of 1852	4960	AcroRd32.exe	97
PID 4960 wrote to memory of 1852	4960	AcroRd32.exe	97
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 3256	1852	RdrCEF.exe	98
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99
PID 1852 wrote to memory of 532	1852	RdrCEF.exe	99

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\c7421715f22310623b8284b3e5779b5a.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:4960
- 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:1852
- - 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=0C2A98704E8A7EF94673C5665FBED6FA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3256
- - 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=9F6DBE02826CF8C189AF18A7C1E2759E --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=9F6DBE02826CF8C189AF18A7C1E2759E --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:532
- - 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=50B746CC3D2B27255C415CEA8426E6AF --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4988
- - 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=505373D15F2304DFA9DC02C71739E97D --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=505373D15F2304DFA9DC02C71739E97D --renderer-client-id=5 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3108
- - 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=7DBF93F453B6BF93EC03064BF48BD5CC --mojo-platform-channel-handle=2336 --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=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=4CE78429A740CDBA0183BE960C66216E --mojo-platform-channel-handle=2008 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2100

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3428

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
3af0b7f6df3b1b7613fd400cb47c63a2

SHA1
c99ebd7055970c47247d4f405d79d8f081099319

SHA256
a1812b911f8be78dc69cb4914b7bb129d23136cfed5b783d2eb3047f2a905a23

SHA512
17c59a81367b10f16974b1f6822c372a2c9eb94d2403703a8701a2230282d1a0744605e0f5987ba11cd2b28f5560b67ec319ad60107f21725e122c1cbebf52a7

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/4960-28-0x000000000B790000-0x000000000B7B1000-memory.dmp

Filesize
132KB

Download