af36bc17ec21295ad70e6850ff260808b39240ad4e162b5087d32bd5386c1c62

Analysis

max time kernel
108s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
07-06-2024 18:30

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General

Target

Timothy-suRpy096Nucta_receipt.pdf
Size

18KB
MD5

b9d428c23a225244e720a3bb6a558036
SHA1

d9bfe54fb56f74d229199771dbc3564ebad65490
SHA256

31e89f9d14f685312fe094f66bf7d4765e34bb0c38c3ac2316fdfc44ab8ab1fc
SHA512

331fb53fa6a61f730fc142b01c8b9beb0b204539f6487b104a94786d5d5f0a42c87ed10b6bacffd29b0cde9a582eef008cb0cc386f4a51dd3d8ff2105471db4e
SSDEEP

384:GR3RUxaPzIc9VAqfaDdCUS1TwS9TUCj7BExsxYRZtLxuCUSRcN:GRBUsPzhrzfaRPETUChEY0ZtMT

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-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
316	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe
316	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 4008	316	AcroRd32.exe	82
PID 316 wrote to memory of 4008	316	AcroRd32.exe	82
PID 316 wrote to memory of 4008	316	AcroRd32.exe	82
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 2000	4008	RdrCEF.exe	83
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84
PID 4008 wrote to memory of 1772	4008	RdrCEF.exe	84

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\Timothy-suRpy096Nucta_receipt.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:316
- 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:4008
- - 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=47B26372AD1DF65DBF642E68E538DC20 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2000
- - 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=4C4F15BCD5893E73013EF5E59FCDF6F5 --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=4C4F15BCD5893E73013EF5E59FCDF6F5 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1772
- - 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=D2F2CE7B0FA52AEAB672FB4FD5FD234C --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2492
- - 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=14B127CA0317A100A1CAE0361DFA854A --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1400
- - 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=F18451ECD45E50E2ABA1C7797E4C8BA4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1856
- - 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=8460ADFC75304A02B4650427B5B45B3B --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=8460ADFC75304A02B4650427B5B45B3B --renderer-client-id=8 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3028

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2448

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
67e17fe6fc244d1452ed0fa234b44d98

SHA1
e622b50be0769aa450c8fd3953bdf8b700ae01f4

SHA256
a35e4f30d39128844fb4d408f11f0b83f32655ba97fc552ebf6268d7b42f56f5

SHA512
958f9a8dc6bc405a568dba44005ab13e7b078798f54b53517050c7a27899fcc31f0df1c80553278dcdd9cbb22cdbc84119caf3929b5773d6b8bfb15882567acc

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