0a748e543971d6759071503c7765f11b2ed2ffb90c5a0f7e835bac6461d6fa60

Analysis

max time kernel
142s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2024, 09:41

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General

Target

892e4eda50158a9be9995a7fc65cbe07.pdf
Size

86KB
MD5

892e4eda50158a9be9995a7fc65cbe07
SHA1

2eb7baa546fd96843e29d517ebbeedc3c83b9131
SHA256

0a748e543971d6759071503c7765f11b2ed2ffb90c5a0f7e835bac6461d6fa60
SHA512

dac7a4d26aefb16f759f338f086210e293413e69b192fde7a4870dadead8be5a1489c2a8ed5642f0d3881d2a641ad19c2491583888fb02f8dcbd34e385f64d1b
SSDEEP

1536:TmpWk3KjR8BbAx+zV6uQ4RJvE9Vl7l8THscOW+OS2FIdzpeZWbpONjuPslI1:I5KjKBkx0V6uQ4RJvE9Gj9IOSZppebN4

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
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2856	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe
2856	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 1052	2856	AcroRd32.exe	87
PID 2856 wrote to memory of 1052	2856	AcroRd32.exe	87
PID 2856 wrote to memory of 1052	2856	AcroRd32.exe	87
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 2880	1052	RdrCEF.exe	89
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91
PID 1052 wrote to memory of 392	1052	RdrCEF.exe	91

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\892e4eda50158a9be9995a7fc65cbe07.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:2856
- 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:1052
- - 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=900E82F9251CEB21C315A01AC67EB9D4 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2880
- - 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=C623D240305D831382FCE0CC72C95A57 --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=C623D240305D831382FCE0CC72C95A57 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:392
- - 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=F3BA0CA13D96C235A532E978DA5C4415 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2996
- - 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=1F33CE4BEC130E78A447FECF37C55BC4 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:364
- - 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=A481BADC142F153BE0A2DEB1F56355C2 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4324
- - 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=8B129D31E7B93ABE55D51CCFFACAC8DE --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=8B129D31E7B93ABE55D51CCFFACAC8DE --renderer-client-id=7 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4932

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
cc6805fe994f9249e13a857bd31aeb2a

SHA1
77b1a15aa2fc2ece85ab29ec55e5a113e2d56ad4

SHA256
99d7cc62d2fb0236245b873d598177ab9a333d1564a5cdd5d77946f5219b95e5

SHA512
2a9dadecc89c36e7fb8005bb0b3ba11ac4f94f486edbf97afbd228532cf584596d3f89fb5835abb3931a9545893ca294bc670bf0a7a84a32d4105207b33bd489

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/2856-26-0x000000000BC30000-0x000000000BC80000-memory.dmp

Filesize
320KB

Download