13ea618818524f4f57cc795e63d26cc08ecec497a0c888be8738f61a92659d04

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 19:43

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General

Target

a29881f63635e5f40b5ee78a5e879e71.pdf
Size

91KB
MD5

a29881f63635e5f40b5ee78a5e879e71
SHA1

87c72dc6453fb952ef8b245e11b0442911e3d31a
SHA256

13ea618818524f4f57cc795e63d26cc08ecec497a0c888be8738f61a92659d04
SHA512

f5748ece351552f67b60b74951f6a3bd568592fde1eb5ac0388d7c94779c2a4a6493b70bd671d7fb921169a972d7d556806fc594d606c5bb68cc22c080dd66ed
SSDEEP

1536:QiRR37bo9UDXOoVv50kTn8w+8Yq90Fh4URWkNpOPOTQYiWYSPZjoq/:xR10+Xpwkb8XvBFh4UaPOEYnZjJ

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-1-5-21-2828415587-3732861812-1919322417-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2236	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe
2236	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 3980	2236	AcroRd32.exe	92
PID 2236 wrote to memory of 3980	2236	AcroRd32.exe	92
PID 2236 wrote to memory of 3980	2236	AcroRd32.exe	92
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1076	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 4348	3980	RdrCEF.exe	94

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\a29881f63635e5f40b5ee78a5e879e71.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:2236
- 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:3980
- - 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=BC20BC8928095DCF3EF15D8711CAF33D --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1076
- - 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=8C0BFA67DF5E69BB49ED26D770C790E5 --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=8C0BFA67DF5E69BB49ED26D770C790E5 --renderer-client-id=2 --mojo-platform-channel-handle=1652 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4348
- - 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=C08C32738A22153BF525BC7369AD08AF --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3964
- - 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=966CEF24F328BA758EACBB94F57AD58C --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=966CEF24F328BA758EACBB94F57AD58C --renderer-client-id=5 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5048
- - 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=71D731F54AD1F9D975F7DAC191A4817B --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3932
- - 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=2FFA0C8D4186E1555E11F1E4D50527D6 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4076

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1400

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
ae3ef07939d94f9d84fc93681fd64567

SHA1
c82c08193e7ae3bb0ef22e84fc96c80329eba35d

SHA256
c2baa13d44264604e8ca1c0b813f03a0b9f21552130aeb4b1b714c84e8e29bfd

SHA512
45967efd6735de7a44104be409c6f838c455cf870d4c92f656e3400d2490fdf6dfbf70dce66eac2bb696dfeada278012d0d743f555b347692713a5d82e816cc8

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