6b5ad80a5203004ae4142c06b8d07883fa48791d49f8819e6ee5e0f6e53cd613

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
14/03/2024, 14:57

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General

Target

c8e797544dcbfdaf689d30b15ccf59fb.pdf
Size

41KB
MD5

c8e797544dcbfdaf689d30b15ccf59fb
SHA1

1063c2a7e2246d211dbc238f098bc7a41c7078af
SHA256

6b5ad80a5203004ae4142c06b8d07883fa48791d49f8819e6ee5e0f6e53cd613
SHA512

e57e1f086a9bb6987807e3dac36545916b6558aac87a7b8b0b20f1114fce009b382d5f059bdff727893a6e63c75bc9932183968e2901b5adb6abf8b87b23c82b
SSDEEP

768:e7jkxFEP+qGX2h8PpD9x+T+drSPdJK+qZ5mPfb8pfN3dn1:e76CPXGX2CXrmdJKzm3b8pdx1

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
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2376	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe
2376	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 5036	2376	AcroRd32.exe	96
PID 2376 wrote to memory of 5036	2376	AcroRd32.exe	96
PID 2376 wrote to memory of 5036	2376	AcroRd32.exe	96
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4672	5036	RdrCEF.exe	99
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100
PID 5036 wrote to memory of 4804	5036	RdrCEF.exe	100

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\c8e797544dcbfdaf689d30b15ccf59fb.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:2376
- 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:5036
- - 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=FFF8F887FE1140BF5848E079C1A9DA45 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4672
- - 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=259B643519D93F244945EE98B08AB42F --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=259B643519D93F244945EE98B08AB42F --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4804
- - 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=D6B3995B4F51F981964439C1FCC0EB6E --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=D6B3995B4F51F981964439C1FCC0EB6E --renderer-client-id=4 --mojo-platform-channel-handle=2164 --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=B6DB7929B3F2F5035230DFEE16D3A302 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2052
- - 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=8D2FEAB13E1B1B243BFBF200A655648C --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3024
- - 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=3E30E20EC7EB8E16A298E513B5C57B13 --mojo-platform-channel-handle=2524 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1752

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
44489ba6ba0ee9408d29f0c8e416d791

SHA1
bbf6fb2135657223c79ee8ccb95bb5027d7cfc25

SHA256
9bc9645d83fd5c1c691b203da52a483c4a3d4ee9a97239b443d28cca57f6be70

SHA512
9cacd6288e0c5cfa2746defd1a9d03c9ebe8ac2d5f3fb06931990427ee1b560dd246495046bc3ca508c758c34b6bbb9d33503029e7eb45ef62ac4ce2c242d2cf

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