b744480e04fb76f6d32d049c68c8eb34e55ab59f2925a38439a7891e7fd53c59

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 02:48

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General

Target

a770bad60e5dabb5d90cc14021e5c099.pdf
Size

67KB
MD5

a770bad60e5dabb5d90cc14021e5c099
SHA1

0775c4eb6a13bb2ade610c911a33414285a24acc
SHA256

b744480e04fb76f6d32d049c68c8eb34e55ab59f2925a38439a7891e7fd53c59
SHA512

311d16911c70433120d9d4bce86db5df62c57248f27939abd6840f3e954c2b6bf7c8b42762a20e0ccd1a02199c7bb1d1440c38b39f099a509c16de7f4d6d60bf
SSDEEP

1536:OXWsHw0SkhdfY1/nob52Cwy+Tf3M80g8ev9FzZfb:8xHhmSbT+TUtg8wXb

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe
5072	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 3428	5072	AcroRd32.exe	90
PID 5072 wrote to memory of 3428	5072	AcroRd32.exe	90
PID 5072 wrote to memory of 3428	5072	AcroRd32.exe	90
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 4024	3428	RdrCEF.exe	91
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	RdrCEF.exe	92
PID 3428 wrote to memory of 2424	3428	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\a770bad60e5dabb5d90cc14021e5c099.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5072
- 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:3428
- - 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=6974FA643FC3ABF34D0ABD5871ED66BA --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4024
- - 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=D438285ED160A6B800D72CC50071917F --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=D438285ED160A6B800D72CC50071917F --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2424
- - 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=7CAD3F9C2BBDFCF151F80E7588CD1A4B --mojo-platform-channel-handle=2272 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3512
- - 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=9E4BCAB6210DD82CE880BD8E11900BEB --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3124
- - 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=E01BEBE3658EF8F66E647086BFC3C2D1 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2296

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4020

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
e018d07ce17aa26f1bd2ea3f7f94602b

SHA1
30cc02326e434b0ffac8a73b5db06e8c4483109d

SHA256
8e26939605daa6ddd6f23f7df94edabb779fda6511b5a3683e8c9754a5f00ea1

SHA512
6949765792c7d002986ffff99689ff481e9b6857f0f3fcec4f5ade774218e5475d995ddf38e90cfcada67140c85d69aaf985a8c2392bae589d1a507e62f74ebd

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