41b0ef2852ea728cd242b0c840427114cfca42806ed3756c0d13181b26331cf0

Analysis

max time kernel
149s
max time network
150s
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 04:34

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General

Target

4d584f4165ece61b637c82dd1a8d079e.pdf
Size

94KB
MD5

4d584f4165ece61b637c82dd1a8d079e
SHA1

fd9b6f063b139711c1155c561e0b7056b72024a9
SHA256

41b0ef2852ea728cd242b0c840427114cfca42806ed3756c0d13181b26331cf0
SHA512

afdb3657e460c062ff4541d4816bb2b9955f53bba21d7cf7482c85d20b813f34fa5bca6ae9987ac33c12d35edd10a9804a27f71e7986eee07f1ae3ab375ed8ba
SSDEEP

1536:67injD2wbanKyChS5Nkr5KT5sO0wRCNLkkSUuXGn3D55POkUGzWxApOGzW55Fu38:JjqwunKVU5NO5KTC7NYYuXG3D55POnFn

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
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 3500	3620	AcroRd32.exe	91
PID 3620 wrote to memory of 3500	3620	AcroRd32.exe	91
PID 3620 wrote to memory of 3500	3620	AcroRd32.exe	91
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 1736	3500	RdrCEF.exe	92
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93
PID 3500 wrote to memory of 4168	3500	RdrCEF.exe	93

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\4d584f4165ece61b637c82dd1a8d079e.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:3620
- 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:3500
- - 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=50F8DA1EEFD5821E8CAD3A24B3AB395F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1736
- - 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=F0C1C325E3DC7B7A752BFED21D91B5C0 --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=F0C1C325E3DC7B7A752BFED21D91B5C0 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4168
- - 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=673276BCE4C465E02A02F5BB41702DEB --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3076
- - 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=23EDD204350031CC5E4C0B869E12AE23 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1684
- - 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=B6567D45CED2EAE326714063C008C12E --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=B6567D45CED2EAE326714063C008C12E --renderer-client-id=6 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3592
- - 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=222A6811F23CFDFD7574932AFA290757 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4928

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4956

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
023c5f7b2fa78331ab5e60df5c6d6ee7

SHA1
c82b5e7a5ffcc5df8fd78a0daa835bb16ac6f26d

SHA256
96603d38724cc4deac77671ac47781a4ef20e105d0f8d97736b99a3cd5429c41

SHA512
64e08e09ede826bfea311b29f4dd1b9b0d17866eef6af60d2769974ac3da05e6aa81a16ec8f1690a98a99976ad11a7d01e62fde646fb0bde9a18b70cfce4f937

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/3620-26-0x000000000C3F0000-0x000000000C440000-memory.dmp

Filesize
320KB

Download