4ae12b0280165c1d697c61149978b8a8358b84cd48ebc979e8b5e9462a57d2e8

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2024 16:19

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General

Target

4ec79ff4dae9588158da392e9f68167a.pdf
Size

125KB
MD5

4ec79ff4dae9588158da392e9f68167a
SHA1

0c139ba45a909c7e9b29238ef5141f28627a1318
SHA256

4ae12b0280165c1d697c61149978b8a8358b84cd48ebc979e8b5e9462a57d2e8
SHA512

d33d5d363f1fb7bea27345eb7caec8e9f89cda00514c146f66436d5ab33af0f02f1f89682d8dfaf2c90bc419ce7b43168553ce321aa26faba6f370f210c21343
SSDEEP

384:bONbedw+lJ5eX3Dmm6vLpU/oCriJK83a5Y0Ub5gtADb1BPmmmDmmms2Emmmsmm/n:1IUDUDUDUXUDUDlcgUKJ

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
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2840	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe
2840	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 1104	2840	AcroRd32.exe	92
PID 2840 wrote to memory of 1104	2840	AcroRd32.exe	92
PID 2840 wrote to memory of 1104	2840	AcroRd32.exe	92
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 780	1104	RdrCEF.exe	93
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	RdrCEF.exe	94
PID 1104 wrote to memory of 1484	1104	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\4ec79ff4dae9588158da392e9f68167a.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:2840
- 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:1104
- - 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=19557A0EF7E6B16D5DE25666E0FCBDF6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:780
- - 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=48E444B8F794D0CB87AAFEB0BAD65856 --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=48E444B8F794D0CB87AAFEB0BAD65856 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1484
- - 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=4A268AD7474565D30A71D3F727E7F4D8 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1208
- - 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=B548D66903F777BBA81ECB2AEAD28A36 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3192
- - 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=60E9533341C17149DD104949925ACE5A --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4912
- - 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=405020035ABE0FC9FA3A47EECC5F5CB8 --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=405020035ABE0FC9FA3A47EECC5F5CB8 --renderer-client-id=7 --mojo-platform-channel-handle=2376 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2932

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2540

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

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Downloads

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

Filesize
64KB

MD5
4c33873e622067fed0358d75c42a1876

SHA1
b3fb5fcc24dd51072faf686a006f077632b47cb9

SHA256
335d6b83b76baceacefb0b91fa1d70b44a5b4b1d41496830538f85f00829295a

SHA512
f2ac003eb029c186414391f48198532e7c214b156de93d7e5c33ea84954964b480d119a03fd7dcb78da498339629f873ce8bbefb2d559f44d12f84ff6853ba29

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