8a10d89e8724f13861b0531f914c0fefb0f580f6abf3ecce6f8906274aaac48b

Analysis

max time kernel
140s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 21:14

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General

Target

902ba13e1bf2288c6fc6c4a443ca6df5.pdf
Size

32KB
MD5

902ba13e1bf2288c6fc6c4a443ca6df5
SHA1

862df6952b008b56f418ab9eceb6e343e358b69d
SHA256

8a10d89e8724f13861b0531f914c0fefb0f580f6abf3ecce6f8906274aaac48b
SHA512

cb089f01911f3b6b6ffa796aa909b6e40ee56f3b5087366df8324a6b28dd38cea4ab49fa6c7fb1884bc856827780c08e1a8616b7e5158a0751e2a4b6a43575f7
SSDEEP

768:przlVOmZBjsX+snRWEPdZubZrSM/Yogqy1cUvll4/jqc6L:przLRUTRWxAM/UsO

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
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe
1320	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 5048	1320	AcroRd32.exe	90
PID 1320 wrote to memory of 5048	1320	AcroRd32.exe	90
PID 1320 wrote to memory of 5048	1320	AcroRd32.exe	90
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 2572	5048	RdrCEF.exe	92
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93
PID 5048 wrote to memory of 4348	5048	RdrCEF.exe	93

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\902ba13e1bf2288c6fc6c4a443ca6df5.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1320
- 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:5048
- - 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=A474302C188EDCE084A8CAD5BDD5088E --mojo-platform-channel-handle=1608 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2572
- - 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=ADDA5F931A679B2A02B8F60BD1A746B0 --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=ADDA5F931A679B2A02B8F60BD1A746B0 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4348
- - 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=E537AF13BFDF1F920AE502847852876B --mojo-platform-channel-handle=2268 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3460
- - 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=97E33ECB8AC1822B3C8DF705BAEB1746 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2268
- - 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=554E055E2520CD39766484340E0BF9FF --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1644

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
89e6474029726c235203ddb61cf6049f

SHA1
f6a39ebfff68bc5f6ce1040642c8cf02e78be22b

SHA256
c10e9f48aaab9cbc2f79b0c06151431f807e0056d0d23e109e1a1fceda4b84cd

SHA512
7985f7e3b56073c8d2950e8145be16ed2f908f6711b0155b8b63e401a58b326bcf2af6cb12fa62bfc43c5b7095e80a1e449c1876ce0962a738c576ce9e157f6e

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