925140ce4d4e865ac595c98999cbbf0476899ed16389bde471fead6f64944aa8

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 18:17

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General

Target

003c3a7ea9a2c10b99ac2a9c5c9f77e7.pdf
Size

93KB
MD5

003c3a7ea9a2c10b99ac2a9c5c9f77e7
SHA1

5a0f64fd3e32e6de7bf418982df034bc17cbbf41
SHA256

925140ce4d4e865ac595c98999cbbf0476899ed16389bde471fead6f64944aa8
SHA512

a0a5f161b3a41b26fe4bd8967199f808b516e79997076a0d7c708b275cd2707ffef6a676f9f84d5bf11040063d3fba0c60052cc56c033b7f43cc8ed32b986871
SSDEEP

1536:x59oEzCj/RJicGcUfusZd75Ddcf6uFi6hPdwJWCpOViHW1E6xwMD1WhpykH2DFQW:f9oEzCjzGEs3tdcf46hFwuViL6xwMDy+

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2116	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 4520	2116	AcroRd32.exe	93
PID 2116 wrote to memory of 4520	2116	AcroRd32.exe	93
PID 2116 wrote to memory of 4520	2116	AcroRd32.exe	93
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 720	4520	RdrCEF.exe	95
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	RdrCEF.exe	94
PID 4520 wrote to memory of 1020	4520	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\003c3a7ea9a2c10b99ac2a9c5c9f77e7.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:2116
- 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:4520
- - 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=5E7D27177D8D0EC98B0FCF3534C42734 --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=5E7D27177D8D0EC98B0FCF3534C42734 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    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=1CAB5085394683C07CB3B7A01D5B6CE4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:720
- - 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=34CF770799077F41AD3660091BC8857E --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1448
- - 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=82BBF9A5492AFD342D7D759F4BEA0981 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4660
- - 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=FE61883FCAE2588DDB8B5C7B5EFBCD50 --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=FE61883FCAE2588DDB8B5C7B5EFBCD50 --renderer-client-id=7 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4088
- - 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=B1AC2786B2D21ABC827268BE7988716A --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3984

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1400

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
44b6cfefa598739bb0021e451772fc96

SHA1
f9b3b2eb0de71218fe514740ba47cd79b969e230

SHA256
4c411dfe2ebd8cf3d9021c49bdc9bbd009f217c314f6f54534beef127d0277e3

SHA512
fd29c02228918b8de9f4a221b23964d8fdc76b4ae9b158a74e8691ce5bc31479929d43ae4b170ff4739c8c6eadbbafebf1c8cb964e1111c296f48392f9879b1d

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit