d1840dcc3e4f541c29ad79eea770f61828ad2a351e72d7540d0cd98e56d7b483

Analysis

max time kernel
168s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 20:47

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General

Target

3dd94abe108504b2e7269f4d505da52c.pdf
Size

89KB
MD5

3dd94abe108504b2e7269f4d505da52c
SHA1

b19bd011873c9c2e5452529b17b30a0788666af5
SHA256

d1840dcc3e4f541c29ad79eea770f61828ad2a351e72d7540d0cd98e56d7b483
SHA512

2a919b2a2329be09b0717c435c47ab319648a1fcb1946a6a424b06807bea01ab205206a51f8876f1ab743c388227a060c8a70ef1592b294f42c1b017a87b7299
SSDEEP

1536:zoNsVLJD+gUg23F8nXcKQIadeg0pS56VAYLemWuqaOWdoKjDYkW6pOu21emc5sa:9VLFUPUMK5adegjp4sejcdu2oFn

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5080	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 3556	5080	AcroRd32.exe	95
PID 5080 wrote to memory of 3556	5080	AcroRd32.exe	95
PID 5080 wrote to memory of 3556	5080	AcroRd32.exe	95
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4136	3556	RdrCEF.exe	96
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	RdrCEF.exe	97
PID 3556 wrote to memory of 4768	3556	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\3dd94abe108504b2e7269f4d505da52c.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:5080
- 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:3556
- - 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=006EC0A44FAB326151123B103939A802 --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=006EC0A44FAB326151123B103939A802 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4136
- - 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=21C05E7CD71483D13CDB466340990267 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4768
- - 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=B84E87B83D8EACEFC470075E5FBBAB01 --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=B84E87B83D8EACEFC470075E5FBBAB01 --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4108
- - 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=FD3776C2076E096AA5EFAFF9462048B4 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3480
- - 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=45E44A9C7EF2D3FF31D4A328995CF861 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:644
- - 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=C0AAF5B2CA84E0BF87BD1742DA499327 --mojo-platform-channel-handle=2108 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1256

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3936

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
905a2116c477b6db453cf836782655fe

SHA1
8651131426846c26076ef9e18a45e6854bb6c6e1

SHA256
8be1444d5966413faed9e13d0f6dac0717823412f5211d53fd150d16b59f9f19

SHA512
805a0386e3b98509a4a1fdf99e8e419f9fbed6171e420b6a6c12e37f2149e677b4daaad9959eff7868e87f870b7d969843b2ba1f4ab7a50f005bcf02040ff3da

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
32KB

MD5
d21a872ca6056e67f92d1effcb1529c2

SHA1
974035b1c1966d9957d74683e09a2c67f644c1f0

SHA256
dfe270367e48f727422b890b30e3185c5880f3a0c22365fb9b2523378335a7ee

SHA512
3ac6e3b41dc96b786b004fdc7ff0f930455b0135763331df11489f783b8b369f9fb166548ac443e5f26cc1df8ebbba3ebc088a5ab94900834a1396bb5957b730

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit