92a9e4ea5ea72a68a50eba4e2ccae5bd35a16a5206658d6a9669a0d83377ac50

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 01:28

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General

Target

92a9e4ea5ea72a68a50eba4e2ccae5bd35a16a5206658d6a9669a0d83377ac50.pdf
Size

2.4MB
MD5

5a2197cca4d2285b28a7fb90e1daf5f2
SHA1

1e34ac115cf0c5a97780167b098e68d62bcc041a
SHA256

92a9e4ea5ea72a68a50eba4e2ccae5bd35a16a5206658d6a9669a0d83377ac50
SHA512

beea03b10f1cae7b3995f3e5387af1a882f84e32a419e00b0a658d2b64bc2029c72ffd4f2b23f192a4968a0c2d6a4c10b221eda98d312ccefcb39f2f92dc0204
SSDEEP

24576:yL/XlMWBBCbDj3wAtEgQvsLYR7mgyiCXvHNg9+ylIgb4Pt194hPCUWvo05EI:AXlBE3wcE4YRYO92u4l4AUN05EI

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2884	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 4848	2884	AcroRd32.exe	91
PID 2884 wrote to memory of 4848	2884	AcroRd32.exe	91
PID 2884 wrote to memory of 4848	2884	AcroRd32.exe	91
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 4436	4848	RdrCEF.exe	92
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93
PID 4848 wrote to memory of 5060	4848	RdrCEF.exe	93

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\92a9e4ea5ea72a68a50eba4e2ccae5bd35a16a5206658d6a9669a0d83377ac50.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:2884
- 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:4848
- - 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=FCC0B7007188EA724F755EDE219AB900 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4436
- - 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=941A88E5323C7711DF8A7328B56FDF75 --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=941A88E5323C7711DF8A7328B56FDF75 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5060
- - 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=D7B874C8157E25F18CB0AE7A4F0873E0 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1600
- - 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=893BBDF15B687B8CD44EDC793398A3CC --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2920
- - 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=EDD1EAE2787E0289071F95EB71D501FF --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=EDD1EAE2787E0289071F95EB71D501FF --renderer-client-id=6 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4496
- - 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=A6CB4FEC6B598669C285075BE3D81CBC --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:436

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3296

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
68cc052792f19358227e725221ec1a8c

SHA1
238728506a3677ccdbe32b06ce936e46a4b52815

SHA256
84a25e2a1515aee8c6cfe1d89619b640481b4eb9ccf3103569748f2a763a5115

SHA512
524e2bcdd06542b8589597c751ba8c1480a22e87ea1717f0dcdef8978ef63faabb6ba46e2ee57fe58392bdbde83bc5f4752c0231dcb30384021af1f98a59947b

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