1c661d89b324053dc86961bb01097b13e3556817f0e9a6e10b83c252716237af

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2024, 15:56

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General

Target

591fc07f145341f931e24167d94cf4c8.pdf
Size

85KB
MD5

591fc07f145341f931e24167d94cf4c8
SHA1

64e2aaea7ca4e14b65f70b85e8821c177f446b83
SHA256

1c661d89b324053dc86961bb01097b13e3556817f0e9a6e10b83c252716237af
SHA512

1b865f3522432eca61f1985a6f0cfb53ccea47d6b33683c59f6f38074b1b8d947d69bbc004c1abb925aecddf95b56ff44b68d067d80cff1bf90c4368f0f2a72e
SSDEEP

1536:V/UTcst9a+K2pLdhyp6tBWrZ6sYvw/W0pYlEE5WHpOvTWjB7akzyFHjZf:NMcsna+DpLdIp6tBWl6sYvuW0pnivSBy

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3608	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe
3608	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3608 wrote to memory of 4736	3608	AcroRd32.exe	92
PID 3608 wrote to memory of 4736	3608	AcroRd32.exe	92
PID 3608 wrote to memory of 4736	3608	AcroRd32.exe	92
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3048	4736	RdrCEF.exe	93
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	RdrCEF.exe	94
PID 4736 wrote to memory of 3592	4736	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\591fc07f145341f931e24167d94cf4c8.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:3608
- 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:4736
- - 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=0C1B439A808E51E999274B3B7C2959CA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3048
- - 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=ACB6D846AA38B2009F7329AB42F3D741 --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=ACB6D846AA38B2009F7329AB42F3D741 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3592
- - 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=9E7F3350B61F9587ABC316E6E21CEE5F --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3000
- - 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=C409517538A35878F8C0A5DCA82396B5 --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=C409517538A35878F8C0A5DCA82396B5 --renderer-client-id=5 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3548
- - 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=232D5B870564850654BA0EF7C62A5A31 --mojo-platform-channel-handle=2644 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3104
- - 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=0EAC965C7DAD191336D3D64F68CFCBD7 --mojo-platform-channel-handle=2800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4072

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4436

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
cac2dfed09d7528e73d2e8f72c030b32

SHA1
22b3d2df93b06ab7a71cb64fe9de5f78e8625af2

SHA256
1f3bf14630132a78342c67fbc823bd90b0c70ff674b94c012f2758bb124bf1ae

SHA512
5e1e9a99c6150e389871806e9387286a38557abcf78880bc4947e8cc31724f3f953ac6f3ba6b1770d1b59b9f68fd94b24e11324721af7afbea33239e187baf02

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/3608-26-0x000000000B760000-0x000000000B7B0000-memory.dmp

Filesize
320KB

Download