a794ac78882a744b97acebed7a6a76ac8b3cfdef9d38bd891aa262081e303d52

Analysis

max time kernel
182s
max time network
236s
platform
windows11-21h2_x64
resource
win11-20231215-en
resource tags

arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
submitted
01/02/2024, 15:22

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General

Target

doc/colormanage/figures/ghostscriptR_stack_RGBclr_CS6.pdf
Size

59KB
MD5

8cfc226b8f6e03b151afcf3356d60247
SHA1

5b2c3aeea7675c7a3435b14f0bfee189c2522f48
SHA256

8dff78701dcf88d454bb2361f3bf4d3f085d17dd5421e0b4251b318a25ca3203
SHA512

b41ed2f95d1ffb46f0a3475792d9f6ac6f36fec6926e2de4a8fbefc30ce8632f967f20a7bebc32806d0363d55bb391f384b07dd212713a61b8c774757adcd2da
SSDEEP

768:s4sj5l91Au8WkhVWbeu8rW1sVEm7AcpWNKH+J7R0ed70XxPBLUd4DFIABAp/io:s4cx1d8W5x8rSsVXjQOSjd7Qud45Iu+B

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-1-5-21-2201820139-2432375203-2549035866-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 5912	4804	AcroRd32.exe	81
PID 4804 wrote to memory of 5912	4804	AcroRd32.exe	81
PID 4804 wrote to memory of 5912	4804	AcroRd32.exe	81
PID 4804 wrote to memory of 4728	4804	AcroRd32.exe	83
PID 4804 wrote to memory of 4728	4804	AcroRd32.exe	83
PID 4804 wrote to memory of 4728	4804	AcroRd32.exe	83
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 4208	5912	RdrCEF.exe	84
PID 5912 wrote to memory of 2808	5912	RdrCEF.exe	85
PID 5912 wrote to memory of 2808	5912	RdrCEF.exe	85
PID 5912 wrote to memory of 2808	5912	RdrCEF.exe	85
PID 5912 wrote to memory of 2808	5912	RdrCEF.exe	85
PID 5912 wrote to memory of 2808	5912	RdrCEF.exe	85
PID 5912 wrote to memory of 2808	5912	RdrCEF.exe	85
PID 5912 wrote to memory of 2808	5912	RdrCEF.exe	85
PID 5912 wrote to memory of 2808	5912	RdrCEF.exe	85
PID 5912 wrote to memory of 2808	5912	RdrCEF.exe	85
PID 5912 wrote to memory of 2808	5912	RdrCEF.exe	85
PID 5912 wrote to memory of 2808	5912	RdrCEF.exe	85
PID 5912 wrote to memory of 2808	5912	RdrCEF.exe	85
PID 5912 wrote to memory of 2808	5912	RdrCEF.exe	85
PID 5912 wrote to memory of 2808	5912	RdrCEF.exe	85
PID 5912 wrote to memory of 2808	5912	RdrCEF.exe	85

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\doc\colormanage\figures\ghostscriptR_stack_RGBclr_CS6.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:4804
- 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:5912
- - 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=CA835166D1FCFB9CDE7A24DA29134382 --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=CA835166D1FCFB9CDE7A24DA29134382 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4208
- - 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=9E610B2D6550FD63DF5BDCA8496ACA1D --mojo-platform-channel-handle=1768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2808
- - 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=7F38DCB7D7910D60C7D20C5320B3E141 --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=7F38DCB7D7910D60C7D20C5320B3E141 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4948
- - 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=EC0114C1095E124D8F2BE9A6C3158DE1 --mojo-platform-channel-handle=2012 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:6056
- - 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=583079F480A021ED5088D20C78FCE722 --mojo-platform-channel-handle=2608 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:776
- - 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=90BBAD027F0A834B8E3B1D2ABA00047C --mojo-platform-channel-handle=2780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:6096
- 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:4728

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
580932f4846593f78d5138cec7200f00

SHA1
c781ed1225110b603428a8898f5ed4ecffe13fd5

SHA256
54cb7830616e6b01aa7687cacff0120a9ff0359d6c2cbe4fd3ab8150cfd0167f

SHA512
a3c9fe4a25d104c245af5ed5aef07892b27f14af5b53e2fe104c5dca90f4d9bb4b9ecfc13288729db84e2fae137f85876e43bc46f27ba6bfb4b7556551a58e8b

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/4804-44-0x0000000008A60000-0x0000000008A81000-memory.dmp

Filesize
132KB

Download