9594afb73398cb1e469e9529a92557feb1dfa7b674a22e16571642f398d06bd7

Analysis

max time kernel
149s
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
05/03/2024, 05:45

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General

Target

b3ef930d89e19f3223a9aad78078aa73.pdf
Size

86KB
MD5

b3ef930d89e19f3223a9aad78078aa73
SHA1

108b1d8b7d3b3d01aba9b97b55cbc40c120b6c17
SHA256

9594afb73398cb1e469e9529a92557feb1dfa7b674a22e16571642f398d06bd7
SHA512

2be0b5925b29e8dd97feed5a4a8fecc80aa61180d2cc1fb2667b3b18b2b769a0e346b63bfe1d083f9dbf1b8f71341c1152a767c788aff908a7e3a82a519e59fc
SSDEEP

1536:H93VjskCzPgQ6ZECnGo+3ivqIQs/oVR8hboyLCDUyYtJYEMOBhpN8lOF1nHBFVl/:HrJEC5+34LQs/5hbfWg7yWx8lOXnVB

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
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1676	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 2304	1676	AcroRd32.exe	92
PID 1676 wrote to memory of 2304	1676	AcroRd32.exe	92
PID 1676 wrote to memory of 2304	1676	AcroRd32.exe	92
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 4740	2304	RdrCEF.exe	93
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	RdrCEF.exe	94
PID 2304 wrote to memory of 2524	2304	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\b3ef930d89e19f3223a9aad78078aa73.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:1676
- 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:2304
- - 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=D3662D5F19AC6E8C1F76F3891165298E --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=D3662D5F19AC6E8C1F76F3891165298E --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4740
- - 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=78792BA67789C91E9664392FDF9D3CC5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2524
- - 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=9E28488188E254268B71D1EEF9D910B4 --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=9E28488188E254268B71D1EEF9D910B4 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3480
- - 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=26C62523A709D8DC6E658EE0C9D2891F --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3340
- - 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=9A42C8881D756EBC8F5F854EAEB6C4CA --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1308
- - 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=F92D200BC45714ACF50F1496609F654F --mojo-platform-channel-handle=2716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3300

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2140

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
10f61c41a5b16bd75adbf82643103c91

SHA1
232866a0053f6b87613fb0f1669c94b984398a12

SHA256
553d76e348f4605f4632ff349fa61e4848e08867f2ffcd4241dca89548bcef0d

SHA512
22b897f36482d21423387bd3e5a63cd15cf49476829d90df69eaa3602e2782547e1ddb449cef36178db345f1c362870b01ddcbec22d66c24456657102f7972d4

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