73fb1b2eedc1353ee2e67837f17cf3a8612af39e4a0238fe7f4f0896b5ece479

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2024, 03:34

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General

Target

57df4664a8f74a2209adc03db3e46c44.pdf
Size

82KB
MD5

57df4664a8f74a2209adc03db3e46c44
SHA1

e2cec8c756da219f88f12ab7e5cb322e938a7c17
SHA256

73fb1b2eedc1353ee2e67837f17cf3a8612af39e4a0238fe7f4f0896b5ece479
SHA512

a0ac0c19b47001788552f902249bcefe0f90bd4ea2ef48b4d7594f3e1e61e21bbb4b690507b6a4356ce13a8fe441bca5a51756cef02cbccd1a80de3ac34bffe4
SSDEEP

1536:QJVhjy8gblnLFYf1wQe0ZV6ND5FgyNkReAPBBZFyrWFAyipq+aKWGpOmN6K:QThDqlLSf6Mo5FY4A5BZgsipq+a7mN

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1492	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe
1492	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 4468	1492	AcroRd32.exe	91
PID 1492 wrote to memory of 4468	1492	AcroRd32.exe	91
PID 1492 wrote to memory of 4468	1492	AcroRd32.exe	91
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 2360	4468	RdrCEF.exe	93
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92
PID 4468 wrote to memory of 3064	4468	RdrCEF.exe	92

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\57df4664a8f74a2209adc03db3e46c44.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:1492
- 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:4468
- - 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=B4D5BF00A31DAA6E3AB3A3AD9E76A5DE --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=B4D5BF00A31DAA6E3AB3A3AD9E76A5DE --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3064
- - 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=652E8FBAD3FE1EE7F55E1EDCE6EF7AD2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2360
- - 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=AF0DA4FB64E1BCFE77DFD9B31FF717FC --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1944
- - 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=C2E28773E28B832FC9EB8788D50DED72 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=5968B953BE08089AFBBAA1F73BEC4E0E --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3040
- - 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=9487BE760361E44AB8C4DF5586D3AB66 --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=9487BE760361E44AB8C4DF5586D3AB66 --renderer-client-id=8 --mojo-platform-channel-handle=2376 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2224

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4608

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
342fe9303f3ffc5b903909ac8f60d703

SHA1
d5b9e821a6c9e145412f8ebec7f5c66f8637144d

SHA256
7767f1f81fbfb7bfb25c02afc33b5fc67d2e1d33abfe25be269699a97d3d4fbe

SHA512
5f2f4bac90767e5614f5f9661ae57e67304d4aeeea0a58cb736e13ff9ec4d6ddb605cfa4b188ee6574af93c5a05789f72d89c6a564308d3be63069c081a0b13a

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