2480dc307e6d4cfa245e415109865bf9093608f6a84ec7722d3cef03d534c88a

Analysis

max time kernel
142s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 04:36

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General

Target

655d935b2e1c59dd09455cf3f172b499.pdf
Size

75KB
MD5

655d935b2e1c59dd09455cf3f172b499
SHA1

e24d4d0b4847cdd829062afaa23342c0d3bec9fe
SHA256

2480dc307e6d4cfa245e415109865bf9093608f6a84ec7722d3cef03d534c88a
SHA512

e74c790061236ac2ce57cbeda949b0de0e653fd152b89c77dc97b4761c8c9487d690635c163cf01dc4c7997550f23027747dd83ea0823d1298274436d522f2fe
SSDEEP

1536:ACTcSwiqpJtshpsgQMoxjtuZsqHba/SRiwvYRA792Q9Zrt5my77l1wxFFg14Qba:/Txwiy3mlDodS7fwA71jmy7RqnFa4J

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4884	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe
4884	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 4056	4884	AcroRd32.exe	92
PID 4884 wrote to memory of 4056	4884	AcroRd32.exe	92
PID 4884 wrote to memory of 4056	4884	AcroRd32.exe	92
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4152	4056	RdrCEF.exe	94
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93
PID 4056 wrote to memory of 4580	4056	RdrCEF.exe	93

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\655d935b2e1c59dd09455cf3f172b499.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:4884
- 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:4056
- - 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=EFDC74571DD0C0AEAD6FFC24D1AA9E04 --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=EFDC74571DD0C0AEAD6FFC24D1AA9E04 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4580
- - 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=B6A42E249FB26D40F3DA4E005A46A61C --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4152
- - 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=3181D76BE658EBE1604018FD24426DA6 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1192
- - 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=47C52A25D8E7E5D379F023FD47682616 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3832
- - 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=41AB1923DB5354AE5A825145518F9E16 --mojo-platform-channel-handle=2484 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5020
- - 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=58D14A8D3F122738107D64A4E2857BA2 --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=58D14A8D3F122738107D64A4E2857BA2 --renderer-client-id=8 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3148

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1664

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
35KB

MD5
75583d65886a2be6827d7661c6ee1eea

SHA1
23f5433d3c0f742e0d171327c068a7f07f82d0eb

SHA256
93f84b706fa81133c76720e3be973c9ece9df424f12ea38070dc35b132844b90

SHA512
fe3fcb7a48df68d36bbbb65b5c20688b7f14a4cb561a9ede9e037ab425775a61efb98bf3c46a2c170bf620e2768edc376dc67c0022f5b5794a0d9bfd7ac66437

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