8529f491bc1bfd3db03a5535faee7cc27c2b4d913a40bb02f52a070124aaa97d

Analysis

max time kernel
143s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 10:32

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General

Target

077a9c3505d1bb8a02158b7f1bac5e9a.pdf
Size

75KB
MD5

077a9c3505d1bb8a02158b7f1bac5e9a
SHA1

008e9232efc966d4b4bb3243d5331e343f656662
SHA256

8529f491bc1bfd3db03a5535faee7cc27c2b4d913a40bb02f52a070124aaa97d
SHA512

10e7eb663311ed221eaf75134e0ec9598da3a5b023fa70c18e1bfe66f070771452e351ec0cec15d0be5f5f2f7c4635b2a9054f34af0a4fb2fc38d11088e35af1
SSDEEP

1536:Iy2J9mrdj2W/haQlJtXngwg5g0ah6eoxUEXQQ+vKeposWSBAqspSU+v4Xdswb3iB:IHJg5jhgmJBnYg0VeotApKepoBYHv4Xm

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
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3144	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe
3144	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 1212	3144	AcroRd32.exe	92
PID 3144 wrote to memory of 1212	3144	AcroRd32.exe	92
PID 3144 wrote to memory of 1212	3144	AcroRd32.exe	92
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 2504	1212	RdrCEF.exe	93
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94
PID 1212 wrote to memory of 1464	1212	RdrCEF.exe	94

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\077a9c3505d1bb8a02158b7f1bac5e9a.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:3144
- 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:1212
- - 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=8FBF8BDE13C2C144D8CA04F8CF810EE0 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2504
- - 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=3CE82CD035B6ACE17B77D82DC3FCF75F --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=3CE82CD035B6ACE17B77D82DC3FCF75F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1464
- - 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=918F15A3BEDFCB1D15419FDD06A4EC2D --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=918F15A3BEDFCB1D15419FDD06A4EC2D --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2928
- - 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=AF33DD3B87E6F8A6DF09876147889306 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1840
- - 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=833313E0420FFB76A571C37646891851 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4520
- - 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=ECF650564893FD8886537730F8BA8C81 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1692

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1008

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
93e01715f99be6af02ca2846609ac071

SHA1
3c11a3c844cbda334f9863b3bc7090f7b5ea0b39

SHA256
d04ac6652fd680bfbab10d00df8c46fc0f43d87f7aa64a4352cc136fc6eac947

SHA512
dd876ba0a0644bba389a7dda17d81480ccf70430031e1b5657f09cb7928f624fa4d51bdbcb5b77565414609cbd30e779b349bf04e271f598f8aa1d02c4226212

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/3144-28-0x000000000A660000-0x000000000A681000-memory.dmp

Filesize
132KB

Download
memory/3144-128-0x000000000A660000-0x000000000A681000-memory.dmp

Filesize
132KB

Download
memory/3144-135-0x000000000A660000-0x000000000A681000-memory.dmp

Filesize
132KB

Download
memory/3144-142-0x000000000A660000-0x000000000A681000-memory.dmp

Filesize
132KB

Download
memory/3144-214-0x000000000A660000-0x000000000A681000-memory.dmp

Filesize
132KB

Download