03ae5ef0bc4014752441ebda70b8cc3c98faa5e01c9e3c1ca947539c37828176

Analysis

max time kernel
145s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 10:30

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General

Target

15f7c6e4675f0ca6c6dec441ccba750a.pdf
Size

34KB
MD5

15f7c6e4675f0ca6c6dec441ccba750a
SHA1

83eef5196f92f709e304be4f9a1b40877585ac67
SHA256

03ae5ef0bc4014752441ebda70b8cc3c98faa5e01c9e3c1ca947539c37828176
SHA512

80e41b130f47fbcc88c2750c463afbac1cf32755ec7449665cab47ca5ca1a13ef7e280e1ae76f455a168a4854e0b7f339218cbe5f8afcfb2892c18ee150d97b7
SSDEEP

768:w+BUg8Jd6dFXI6G9XND9uetCFqcNFF3wkovmQf7W1D8m8DK77LwiUsnhxnKXO31N:BM9XNf0NQKJH77LwHEhxK6EEmq

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4156	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4156 wrote to memory of 3980	4156	AcroRd32.exe	92
PID 4156 wrote to memory of 3980	4156	AcroRd32.exe	92
PID 4156 wrote to memory of 3980	4156	AcroRd32.exe	92
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 404	3980	RdrCEF.exe	93
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	RdrCEF.exe	94
PID 3980 wrote to memory of 1392	3980	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\15f7c6e4675f0ca6c6dec441ccba750a.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:4156
- 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:3980
- - 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=99287847F6181B1A642A953850988194 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:404
- - 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=456C6ADF8AC4A7AEE04E936DACCC81B4 --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=456C6ADF8AC4A7AEE04E936DACCC81B4 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1392
- - 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=5A8795D96FB5D919E1AF704D51347A77 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2556
- - 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=4EFC071F30C6D7F34CA94794AEE3E1C4 --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=4EFC071F30C6D7F34CA94794AEE3E1C4 --renderer-client-id=5 --mojo-platform-channel-handle=1980 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3492
- - 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=69961C3FC7C8DC3169CC61A5A154EC20 --mojo-platform-channel-handle=2720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:716
- - 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=D2D5023FF799766C1178BD0AC77D1762 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4500

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:544

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
f2c8655abac186f2f952457570878ee8

SHA1
b1a4bf1216aeb2c8a1ffc4a92652b72f52d16551

SHA256
024115fe215c2ef48bee926ff3ef017a59f4d200559e8fea187e1686ca80372b

SHA512
0813967b4346360b5d330614742e385cb1ab4f787a2a87b040239d38103c6348dd0c9a3071282e004124ec79d50fd7d2303f93aea65bf323df82e05a5c6fc791

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
memory/4156-26-0x000000000A390000-0x000000000A3B1000-memory.dmp

Filesize
132KB

Download