f5ff4a5e721603227c9eac83635714e926ae8ad58ec901941fccfc8a0bf88828

Analysis

max time kernel
196s
max time network
199s
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 00:05

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General

Target

3f60bca496426e6cf3e534db995b249c.pdf
Size

86KB
MD5

3f60bca496426e6cf3e534db995b249c
SHA1

7e530d06469b9d73730a015795326657d43be36b
SHA256

f5ff4a5e721603227c9eac83635714e926ae8ad58ec901941fccfc8a0bf88828
SHA512

aac4050ecce568ef1f6366bda6c2f4a6a244b3b339496307049c48cb8453e81f2164c98bd35ef983db7a3ea158d3e185ccf8fc29b1a2d2fe03dbd083b719a5e8
SSDEEP

1536:eghXZG3QqU24uquwf8ekBp0Jmr/FDu5xkWBL+01ZXZ6GWspOR5tn:fhQ4d8h0YrExFLP/J65RH

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe
4592	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 4588	4592	AcroRd32.exe	95
PID 4592 wrote to memory of 4588	4592	AcroRd32.exe	95
PID 4592 wrote to memory of 4588	4592	AcroRd32.exe	95
PID 4592 wrote to memory of 3084	4592	AcroRd32.exe	98
PID 4592 wrote to memory of 3084	4592	AcroRd32.exe	98
PID 4592 wrote to memory of 3084	4592	AcroRd32.exe	98
PID 4592 wrote to memory of 3572	4592	AcroRd32.exe	102
PID 4592 wrote to memory of 3572	4592	AcroRd32.exe	102
PID 4592 wrote to memory of 3572	4592	AcroRd32.exe	102
PID 4592 wrote to memory of 1528	4592	AcroRd32.exe	103
PID 4592 wrote to memory of 1528	4592	AcroRd32.exe	103
PID 4592 wrote to memory of 1528	4592	AcroRd32.exe	103
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4916	1528	RdrCEF.exe	109
PID 1528 wrote to memory of 4004	1528	RdrCEF.exe	110
PID 1528 wrote to memory of 4004	1528	RdrCEF.exe	110
PID 1528 wrote to memory of 4004	1528	RdrCEF.exe	110
PID 1528 wrote to memory of 4004	1528	RdrCEF.exe	110
PID 1528 wrote to memory of 4004	1528	RdrCEF.exe	110
PID 1528 wrote to memory of 4004	1528	RdrCEF.exe	110
PID 1528 wrote to memory of 4004	1528	RdrCEF.exe	110
PID 1528 wrote to memory of 4004	1528	RdrCEF.exe	110
PID 1528 wrote to memory of 4004	1528	RdrCEF.exe	110

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\3f60bca496426e6cf3e534db995b249c.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:4592
- 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:4588
- 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:3084
- 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:3572
- 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:1528
- - 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=A27C799C73463B63FDA743C3F55B56CD --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=A27C799C73463B63FDA743C3F55B56CD --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4916
- - 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=CE772CCA59E808F6DED82E33E35E4C23 --mojo-platform-channel-handle=1868 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4004
- - 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=232257DE03365A505CFC8FFB1BAF2655 --mojo-platform-channel-handle=1996 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2848
- - 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=46DE3CA3FA09D135C232F73AE12EE27C --mojo-platform-channel-handle=960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4476
- - 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=E5F3AEBF28F03AB09F02C28D7978D04D --mojo-platform-channel-handle=332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:184

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3380

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
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit