19fdf48e152cb0e13871fac8e3f436da5675d4326911b38d1a882578e5e12391

Analysis

max time kernel
142s
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
06/02/2024, 02:23

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General

Target
0fc9c4e1e2148912188dd913ff95149e.pdf
Size 4KB
Sample240206-cvjessdba8
SHA256 9c715b7368557613911e6e813d8a4e93c43e307b086bbfa0be4905a7910155d4
MD5 0fc9c4e1e2148912188dd913ff95149e
SHA1 06de1964ed1bc0205856f7fff1bd0af91d7d63f6
SHA512 518b9dcb7eb32112337c0175968d0d71d53ae80b4238cfa25705e97b96b01c7c7bb6b2ec28ed0ca6ac24a2705742b647ddea1adf87ff952d0e6d50e4ffb5b16d
SSDEEP 96:cIEjydIHAuTk4HpI0EKiQhte9pLIidmAuwSBHM1UNuteR6wGtW:NEj7AuA4a5KizTIi2BHMBeRPGtW
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2096	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe
2096	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 3596	2096	AcroRd32.exe	86
PID 2096 wrote to memory of 3596	2096	AcroRd32.exe	86
PID 2096 wrote to memory of 3596	2096	AcroRd32.exe	86
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 3500	3596	RdrCEF.exe	87
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88
PID 3596 wrote to memory of 2568	3596	RdrCEF.exe	88

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\0fc9c4e1e2148912188dd913ff95149e.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:2096
- 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:3596
- - 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=0045388DDEFC2EAA071062BE8DDF3715 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=E49DC5FF32E43DF04F3D1C245AC8B40E --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=E49DC5FF32E43DF04F3D1C245AC8B40E --renderer-client-id=2 --mojo-platform-channel-handle=1692 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2568
- - 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=FF18258CD3DB7C0559C4D87128D5B056 --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=FF18258CD3DB7C0559C4D87128D5B056 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2996
- - 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=69F23BF4C66C0C1015E2E834DAC5604B --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2844
- - 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=3B9D48D837089825BAE59015DD72D2F4 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4484
- - 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=1A15B8A6867D40A9B7FA9CDAC92451A1 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2752

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 7840cae9d5f8674f1e9bce421b17d5bde9fef87d8b62b7256c31a41ed7784357
MD5 ef48164db8888c900c2a7986d51cc5b3
SHA1 ff3f90c0b1b5d4c2c8bde5adf67cdf9d0214126c
SHA512 003e8392908800249e4b880d567a1dd921fab039c5974b592795fd76eb85c48a0c688ad4ba6ad9cc6b51a2c1f97a041328dcc7871996541355f1f6d052cb373e
SSDEEP 384:yeedThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:N+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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