d6511c3ad3f320d2d448a0eba7a56f59a17a18cb5f087114c25983e8beea2069

Analysis

max time kernel
161s
max time network
181s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2024, 10:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

40a49d753eb26f5c0b319ef139d5bf97.pdf
Size

46KB
MD5

40a49d753eb26f5c0b319ef139d5bf97
SHA1

ac78d4f23f4e2819d8dd1b1165f224efaf3a25a8
SHA256

d6511c3ad3f320d2d448a0eba7a56f59a17a18cb5f087114c25983e8beea2069
SHA512

1c095f04408acc9e3947ebc6f37f9f4b3a57f4c1c3ac9505201ff0590667275b4a450f51c4e08a333f8a98bf66cdc2192cc99aa5a266f9ac10d9cb995fb98868
SSDEEP

768:DoukiUvStHUR+zlymAijdiuX5JyvMeVzdt9ljUuDdtsaXmfoZbHyZ:DDkieStHUwMi5iC4td75UuD/samfcHyZ

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1696	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 4424	1696	AcroRd32.exe	91
PID 1696 wrote to memory of 4424	1696	AcroRd32.exe	91
PID 1696 wrote to memory of 4424	1696	AcroRd32.exe	91
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 3224	4424	RdrCEF.exe	92
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	RdrCEF.exe	93
PID 4424 wrote to memory of 5096	4424	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\40a49d753eb26f5c0b319ef139d5bf97.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:1696
- 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:4424
- - 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=D692A3C7ABF06372BF289E2F6935E3C1 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3224
- - 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=F70C97F3B51964E5C88A8F7118B6F6E8 --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=F70C97F3B51964E5C88A8F7118B6F6E8 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5096
- - 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=A6F28D5CF8B93979BDC39EE65D65D7D1 --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=A6F28D5CF8B93979BDC39EE65D65D7D1 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1044
- - 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=1B7AA83AD2C7CE9985A6F908A941B730 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3220
- - 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=52A2956F01CB35E5BD852A41AA2FAE8B --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4036
- - 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=1F9F23CB262BF07BA120ADAB0F64D76B --mojo-platform-channel-handle=2472 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1672

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4276

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
2fd1fc945f64cd7645cc0608a154c9d0

SHA1
82c491fbca80457011278bf4ec1ac2b473aba9e8

SHA256
f291bcc57ce74442605894f3c65b1a21bcf473861fac27ae6edd255c0ffead20

SHA512
0ec83c22ee51259100afb90fc3c9e3c90e7ccf5a20bcd545b15f00e4b1e3d30b5e76947eebdbe45613c8cea6d79508f899cbe1849316c77a9d553904be8518dc

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