cad0a4aec1159fc0db08f2bc4f58a8e2c11e11bd5f77cdc7179a3f75402f2161

Analysis

max time kernel
178s
max time network
196s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 19:25

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General

Target

01a6a7493a73b7d1b0cea93686769560.pdf
Size

79KB
MD5

01a6a7493a73b7d1b0cea93686769560
SHA1

7a3412eb6d3011888406e983712398211110c3f0
SHA256

cad0a4aec1159fc0db08f2bc4f58a8e2c11e11bd5f77cdc7179a3f75402f2161
SHA512

e4e404f457e7e7ddf873342c1c35b97472152d8d469e83f83feeb41dc2a2628e07d11cc29890656a0bf1fb88fab1240fd5a06a0c2265eea4723057075d37aa1b
SSDEEP

1536:CfcKMqWOzXjrGyX/AplLM92yD2g+xmV1MccLOT/AntrO3TFw7T:srWOzTrGK/WKGhK1MDLOT/AnSFG

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
452	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe
452	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 452 wrote to memory of 4344	452	AcroRd32.exe	93
PID 452 wrote to memory of 4344	452	AcroRd32.exe	93
PID 452 wrote to memory of 4344	452	AcroRd32.exe	93
PID 452 wrote to memory of 4040	452	AcroRd32.exe	97
PID 452 wrote to memory of 4040	452	AcroRd32.exe	97
PID 452 wrote to memory of 4040	452	AcroRd32.exe	97
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 2804	4040	RdrCEF.exe	98
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99
PID 4040 wrote to memory of 732	4040	RdrCEF.exe	99

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\01a6a7493a73b7d1b0cea93686769560.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:452
- 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⤵
  PID:4344
- 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:4040
- - 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=F98A9FEC3FED9D62EB05CAC867004D3A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2804
- - 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=C3D39E84A81F3D3D5CD4A2DD5E4AF0CD --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=C3D39E84A81F3D3D5CD4A2DD5E4AF0CD --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:732
- - 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=7F2869B28A1E4C24784A884E570D5C11 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1236
- - 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=F18C6E93C1F3277B95A0C56B1F84E4B7 --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=F18C6E93C1F3277B95A0C56B1F84E4B7 --renderer-client-id=5 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3016
- - 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=1AC6AE972D9849CD71243947446A29C0 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4376
- - 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=D991CE73A92F815A4FC4EC1BC2E5D0DE --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3604

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1304

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
e63f3d07918997bdd96a765719817afc

SHA1
d40851f266c76f1a8946a7cba37494da36f33860

SHA256
25a66cdb0ca8b9326adb313142123bac4e43a868e966d515a6f2062e51287a3e

SHA512
934e76322e7d7237304ac73a32f17acac3a4c68e0c8dbeb79461368288cff155e24b1faa901a49b3f5cc5a4fffa0455344bbbda5f85b2f4daeb768d1d0d0887a

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