f8178c91594dc81a2942c2d528538d73340250c41162b1d2dc461534a8270a03

Analysis

max time kernel
146s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2023 22:57

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General

Target

fe4de53409795adcf3af7063e3816afc.pdf
Size

84KB
MD5

fe4de53409795adcf3af7063e3816afc
SHA1

519232c31b0399121ad38fbec74690b4da8f3bd2
SHA256

f8178c91594dc81a2942c2d528538d73340250c41162b1d2dc461534a8270a03
SHA512

aa29c0028c1d6d066690062472f522630c43e06b11c001196623adac3e2dff8567b2512e76150d5ca5ea5935bee259d62a92d1d759419f841d4b43c4eda342dc
SSDEEP

1536:kzxy3zuNyO6QQeFGXXCIvGVUjYD/+MZa/AM7eQMXd66zo8Y4tWYpO2G3KYZxzWbW:ktPlQQGnCIvIUjYDmj/AMaQM06zoJ40L

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe
2720	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 5044	2720	AcroRd32.exe	95
PID 2720 wrote to memory of 5044	2720	AcroRd32.exe	95
PID 2720 wrote to memory of 5044	2720	AcroRd32.exe	95
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 1604	5044	RdrCEF.exe	97
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98
PID 5044 wrote to memory of 2300	5044	RdrCEF.exe	98

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\fe4de53409795adcf3af7063e3816afc.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:2720
- 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:5044
- - 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=4B1D5EC9A7AEBBBAD4EBFCDD2F125900 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1604
- - 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=BA68C90FB3ED2FD664654FC4F2586685 --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=BA68C90FB3ED2FD664654FC4F2586685 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2300
- - 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=19C18E6B19C140675669D00D8DB69B4F --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=19C18E6B19C140675669D00D8DB69B4F --renderer-client-id=4 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4780
- - 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=EF6AFD11CA2DBA43949D03983E01813E --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1276
- - 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=92A06B89891CD81886E702693D6F9ED9 --mojo-platform-channel-handle=1868 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1060
- - 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=DC6F0AE5AF5220EF0D825EA19F4E3DA5 --mojo-platform-channel-handle=2640 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3136

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
44f4cca7af79967765e90dbdaa7a2d84

SHA1
d5b10e0c31ea482da5397973f65e0c97999e5641

SHA256
7d89194616353b1e7866dddcbbf79fde953deccc7b84e102c1577e16d77ca30b

SHA512
c9a265dace3c54a25b1ca1a44f96bcc456f932d7a3699d959b3e17802b1afe21087d53de8e2fae4edded2151c34f28a9619682e9610523149267d52b207a10c6

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

Filesize
64KB

MD5
a427e415236277c414192c6b5902f4cd

SHA1
fcb5aed2cfa07bc83c8e9599523e4a713949dc7b

SHA256
22a987c4e633af9664a45bfe9cb28957ec5ed68c36d8e12d6c998edca7e1b10f

SHA512
e1eeda9c1b898949c4644cb6b788f64d4a145090cc6569ddf418248c65cf8e806c835cd004dffe03776bb0366b776d411e7c2bae8fa909152ffd1546face83f0

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
C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents

Filesize
12KB

MD5
18e009ad11f6cc288d3e7dca355e7564

SHA1
4284e1b59dbe31c4f26d02e29efe45fcba61e0b6

SHA256
ce7b8e2e803c2f6a749d97674c09ea1f4560c7c3bf192d6c619f5a64179900ae

SHA512
b7a53e00af8817abeb6719d0dd5f5ede38afd4c6dbe73ef762f17ce48ab70f2d37a5760d904c6771676bbdc862bdedd6999563bc7ad55929227e38b3918e55ac

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