a42dae5a062a64a24b44b1df067ecd0ba92e820510dc1c1e7d04ea3b0242e75d

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14-02-2024 00:10

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General

Target

9a481fa4e74338bf0849b7d1d7ec4bce.pdf
Size

73KB
MD5

9a481fa4e74338bf0849b7d1d7ec4bce
SHA1

590e2ab3270f73ad00981b7983b28b2226a64d54
SHA256

a42dae5a062a64a24b44b1df067ecd0ba92e820510dc1c1e7d04ea3b0242e75d
SHA512

78e37677e6a54fea1d79fe9038f24297537fa748fe338d3692f0d7fffdaa549ec4f8c9115afaa252abd2a623344b44fd800b3dca7e658bb5aa7281bd1a7ca518
SSDEEP

1536:loiHE+g8/aC6pvAY1F1rk6sUYo49DrbNLH2gWYoOzE5W6pOu2jKOZMpW:agNRaBpvAy19Qr9DH9elau2jrZN

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2648	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe
2648	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 1248	2648	AcroRd32.exe	89
PID 2648 wrote to memory of 1248	2648	AcroRd32.exe	89
PID 2648 wrote to memory of 1248	2648	AcroRd32.exe	89
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 4100	1248	RdrCEF.exe	90
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	RdrCEF.exe	91
PID 1248 wrote to memory of 2324	1248	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\9a481fa4e74338bf0849b7d1d7ec4bce.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:2648
- 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:1248
- - 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=E1F1342C4ABA3B8073EDF8DF4AE5267B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4100
- - 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=9EC32CF66AF5DFEE7F97D2681FB7F4E7 --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=9EC32CF66AF5DFEE7F97D2681FB7F4E7 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2324
- - 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=58F8E4B99B211C0408020327687DC745 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4020
- - 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=3E9D0301AEECD68D50769B17A7C1F0EA --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1552
- - 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=81452D997307DA523C2C4639A925CE91 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3816
- - 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=9B85743449D48E27762F8BE941207FF8 --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=9B85743449D48E27762F8BE941207FF8 --renderer-client-id=7 --mojo-platform-channel-handle=2368 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:536

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3004

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
77d7c8feb2904fba12b348e08d065d0c

SHA1
2718c8da3dc72396eb70bfc15e54e56994fbe952

SHA256
8b6e97ec5834a6a69550f6696f5966b2be50809ab235fac57ac94982a3f13f03

SHA512
fe38b99e7590d49acff70d7e1ff6446a807a2e7f978621ab367a68a478701435ff7f319f03e80601e1ad93d40d67541c76554db52b36723442c7fcc35da4b00d

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/2648-26-0x000000000B4B0000-0x000000000B4D1000-memory.dmp

Filesize
132KB

Download