137b03d63a235b48ee2412eedd8dd174c0b9c224004d6aa85e72a8447a1d4d1b

Analysis

max time kernel
147s
max time network
155s
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, 02:34

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General

Target

c7767504fc2ff2e2b684197751257a05.pdf
Size

74KB
MD5

c7767504fc2ff2e2b684197751257a05
SHA1

68d6337a4e7a578646276cd6aa7efda99701dca7
SHA256

137b03d63a235b48ee2412eedd8dd174c0b9c224004d6aa85e72a8447a1d4d1b
SHA512

770cfb7cf988cdbc67c279e759e64d657abdac4f4a739f43e2d4647b33a46606c36ce1c51825228d17c61d1abc9e4a4bbd652c8b0128476107bfeb8af9e9c7a1
SSDEEP

1536:pJvmldK8TaTe6zmY7j6+be4NYR5hJzvGkQONcy+B4BLdniZmNz:fvmr2xzi+64NwddBBfz

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2840	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 4408	2840	AcroRd32.exe	93
PID 2840 wrote to memory of 4408	2840	AcroRd32.exe	93
PID 2840 wrote to memory of 4408	2840	AcroRd32.exe	93
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 2040	4408	RdrCEF.exe	96
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97
PID 4408 wrote to memory of 4680	4408	RdrCEF.exe	97

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\c7767504fc2ff2e2b684197751257a05.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:2840
- 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:4408
- - 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=31BF04F0F8AEB020D847D5A6C697691C --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2040
- - 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=E751CA9F9D421C19DD9BFAC94542A007 --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=E751CA9F9D421C19DD9BFAC94542A007 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4680
- - 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=16EF3DEB8FFA8E4BD638A8375EF01DAA --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=16EF3DEB8FFA8E4BD638A8375EF01DAA --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2500
- - 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=405CF34FD7BE5A4873E14A2F61276CA3 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1616
- - 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=6606DE0D5A612003EBD2B33F49854769 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3312
- - 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=3BBCE051B24EC0B413955328A6BF2D99 --mojo-platform-channel-handle=2472 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3760

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:568

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
cb713d85004d6a1010662ebe2dcd376c

SHA1
2c16a06c3946a13a491497db3bf3e3f8ec3a0c39

SHA256
b8d3600c167d50a012ef20cb0bf31f9b155aa1417272ad381f9ffa719166c56c

SHA512
398a87214e2455083edf0fbafcd3c5bca75297ca4512f9db2da01b8734b2ccaa39eeb8822da664ae52c2d161b55187697e1e238fa3b005d08687a064524a0f72

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