1e12581f442f89b0ed7678af7057ae90c425afd965ef181209c3ad8b0efd604f

Analysis

max time kernel
150s
max time network
150s
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 16:56

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General

Target

a248b64f4a0c0b0af385f1050f2a7f42.pdf
Size

86KB
MD5

a248b64f4a0c0b0af385f1050f2a7f42
SHA1

c340a655a6675938a9a9d6b7d3ee079733738588
SHA256

1e12581f442f89b0ed7678af7057ae90c425afd965ef181209c3ad8b0efd604f
SHA512

503c0bb5462e09eb5f139dceac05cdf9f9ec62dca3f948c4abfb438a1c1a534a02b6851df4541cd6050626074d05e79c310c4527260f615ea14e8572864f7f24
SSDEEP

1536:iBs5bPEA9okmUYG+FsfxOK8qOvMqO90QcrfWypOlWWxkk3sv5FMw9mepkvxVuNdJ:3bPThm88PkqO9DkIlDkCs8w9mepsViJ

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-1-5-21-1392040655-2056082574-619088944-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1368	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 3168	1368	AcroRd32.exe	93
PID 1368 wrote to memory of 3168	1368	AcroRd32.exe	93
PID 1368 wrote to memory of 3168	1368	AcroRd32.exe	93
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 1040	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 4776	3168	RdrCEF.exe	95

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\a248b64f4a0c0b0af385f1050f2a7f42.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:1368
- 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:3168
- - 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=3AA657B3E505CC7799C3A9E8C336D6F6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1040
- - 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=771DFAAF82B70E2459DEB81B6429385C --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=771DFAAF82B70E2459DEB81B6429385C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4776
- - 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=C462DEFE8447048489D00EA726B50FFB --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4208
- - 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=FDBF2BB6607305F2844B9E64F04B83BB --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=FDBF2BB6607305F2844B9E64F04B83BB --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1444
- - 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=2C87227BD1E26B10334818CE4D6A3E1C --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2184
- - 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=3FE4CCC19F020786D738BC7BFA3751A5 --mojo-platform-channel-handle=2780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4980

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:340

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
f92efff6692469edaec613f258568596

SHA1
9c95484bcd5a175a707ab0c2d4bb7834b6751ab9

SHA256
6d7c4c8c80f66b23fb1e53dead2ed5944c79beff6fbd8b8ed5287c3e020752b5

SHA512
b285908351b21baccffd8346828bb03dcfe99b50d68e79947b471bbe270d98dd1f0d8686d7943ae4b6522900124e0f9ba7916797259cc3b4d9adec7fdd9bd322

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