0c9456b21773628d28c0723602e83dcf34a40fac654a4c9bbe99ab7913a4c398

Analysis

max time kernel
144s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 21:59

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General

Target

49e10c0dd62a9cb95eab40dac9188484.pdf
Size

95KB
MD5

49e10c0dd62a9cb95eab40dac9188484
SHA1

879bc0ed9e5fb95bb45fc713fb9fa4409b0e2f39
SHA256

0c9456b21773628d28c0723602e83dcf34a40fac654a4c9bbe99ab7913a4c398
SHA512

e6d89f25e2d0e48655b9cc1db7fb359c4ed1ade7212b9d0d6e262280bdc925f855e60ba6a283a1670229151b936aa9c15c3fd95a4ca92e3fd1e7066047b268f6
SSDEEP

1536:3ctn+HtxxkerG04OakvK/kOstUzNc0J3exRCGkb5pOo9HIqIneB7kGzxDqpnucVD:st+zvbwkal9c0NeGtb5pLHMnIIGIF/sY

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 644	4824	AcroRd32.exe	92
PID 4824 wrote to memory of 644	4824	AcroRd32.exe	92
PID 4824 wrote to memory of 644	4824	AcroRd32.exe	92
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 2536	644	RdrCEF.exe	93
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	RdrCEF.exe	94
PID 644 wrote to memory of 1020	644	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\49e10c0dd62a9cb95eab40dac9188484.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:4824
- 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: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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=873C9C518CD6218C3344CBB39C48E9E0 --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=873C9C518CD6218C3344CBB39C48E9E0 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2536
- - 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=16E30461E8F32A85F67E0ABD2CA80142 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1020
- - 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=CA4E6CEC2A9149A9D19BF495B1A6CC12 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:824
- - 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=B95D7822502397724C7E3A06ABC87EA1 --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=B95D7822502397724C7E3A06ABC87EA1 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1692
- - 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=E31DBA225D92C2D3152E4E689B90D7C0 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:656
- - 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=26171BD4AD4F1B53A447E54766146195 --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4880

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
869915d9d85642dd8ed0465c019bb36c

SHA1
57622f9193d8e2f49d9f8d1bd953240388875854

SHA256
1e9c8c8179423e04686b88fe87d9821b44734771851173eff097d9af23634faa

SHA512
2521ef350310009747169b34a39d649d9e3abb4c73ebf5ce41479a5915bb1dd650f545daf4fdd57865e04fd052d21a045bb5d017c3b069b3d9d03a7773787703

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