9d0fad06291da6365acd49857aacba9e46f9b81ff4708f239fcdcc4963a2adcf

Analysis

max time kernel
200s
max time network
208s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 13:52

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General

Target

38bdf0e9b211733567b1c3a4778dc745.pdf
Size

35KB
MD5

38bdf0e9b211733567b1c3a4778dc745
SHA1

cedf5afc762c70c950a4bc751b0deddc2aca8ba5
SHA256

9d0fad06291da6365acd49857aacba9e46f9b81ff4708f239fcdcc4963a2adcf
SHA512

0ad7c277482061608c9623b0cd3376451df3019d743b8bd52a84fc99bbf96773279361fdc582d881d15b4cb4367bda8e269a748b20fedb79ef93f5aca77627ff
SSDEEP

768:bFnlqZBvqyPqc2DfFObNxGDsduDs41zRI4BIuBX0bO6UIt8PqvN1Do8+qOs:bFnlqZBvdPqc2DfFObNx4sYDtIDaXh6V

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2992	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 4608	2992	AcroRd32.exe	95
PID 2992 wrote to memory of 4608	2992	AcroRd32.exe	95
PID 2992 wrote to memory of 4608	2992	AcroRd32.exe	95
PID 2992 wrote to memory of 4936	2992	AcroRd32.exe	100
PID 2992 wrote to memory of 4936	2992	AcroRd32.exe	100
PID 2992 wrote to memory of 4936	2992	AcroRd32.exe	100
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 1500	4608	RdrCEF.exe	102
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103
PID 4608 wrote to memory of 4872	4608	RdrCEF.exe	103

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\38bdf0e9b211733567b1c3a4778dc745.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:2992
- 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:4608
- - 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=B0C75EF47125541D79C6BCFE4B849476 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1500
- - 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=17EE4622CAF12EBD3E7FF05064BBD1C3 --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=17EE4622CAF12EBD3E7FF05064BBD1C3 --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4872
- - 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=0B9C2FFEE395BBE8FEA8DF204698DA78 --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=0B9C2FFEE395BBE8FEA8DF204698DA78 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5016
- - 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=215921351830043EBCA2702EDBB11FD5 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4392
- - 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=2DBE2DBD796257D960A42AD18F41A2D0 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1548
- - 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=C1A2EA4CE3AF9E6406BDB7623003DAF8 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3872
- 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⤵
  PID:4936

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
ccc396a1ee639a2eece1ee8e8ba4d952

SHA1
659f09a75d8544578a9895617f334767e15657e7

SHA256
e458c7e491dad1b3a71fba6d7c8e3a40dd8e421852ccdd0d4e6f4d02d31beebb

SHA512
2630d117ecb1cbbdc0c2c130c6c80dc6ceff09505ced88740d076e4c61ad190a67673bffb8be22dc4b0a68f13f9d6e1e3d7df797531a7508b2652bf2e9d6dece

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit