6a8276435e0d89eeaeceaac6a6bfac8a86ac8b81498fc24f6926c1a811fe9e10

Analysis

max time kernel
152s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2024, 16:46

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General

Target

593794b102524db70e08b6b4e224cf4d.pdf
Size

72KB
MD5

593794b102524db70e08b6b4e224cf4d
SHA1

28e7a4ea7e10cc25e1a41de72370b078aca23ae1
SHA256

6a8276435e0d89eeaeceaac6a6bfac8a86ac8b81498fc24f6926c1a811fe9e10
SHA512

67cb002bc0313281b5b6f9284d99e3124074d9a59a7af2ccd58929731a8e7f4e2113704904b612706b9be7c1449df5353a1c55503b2bd1d6d2e27d615045142a
SSDEEP

1536:GMF83hGonreF1zLc/EUV7rs3u0iaMhmSyaQSeP7h3uma:DF4hTraLc/P7o+0iQD3a

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1396	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe
1396	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 1088	1396	AcroRd32.exe	90
PID 1396 wrote to memory of 1088	1396	AcroRd32.exe	90
PID 1396 wrote to memory of 1088	1396	AcroRd32.exe	90
PID 1396 wrote to memory of 412	1396	AcroRd32.exe	91
PID 1396 wrote to memory of 412	1396	AcroRd32.exe	91
PID 1396 wrote to memory of 412	1396	AcroRd32.exe	91
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 1788	1088	RdrCEF.exe	93
PID 1088 wrote to memory of 3024	1088	RdrCEF.exe	94
PID 1088 wrote to memory of 3024	1088	RdrCEF.exe	94
PID 1088 wrote to memory of 3024	1088	RdrCEF.exe	94
PID 1088 wrote to memory of 3024	1088	RdrCEF.exe	94
PID 1088 wrote to memory of 3024	1088	RdrCEF.exe	94
PID 1088 wrote to memory of 3024	1088	RdrCEF.exe	94
PID 1088 wrote to memory of 3024	1088	RdrCEF.exe	94
PID 1088 wrote to memory of 3024	1088	RdrCEF.exe	94
PID 1088 wrote to memory of 3024	1088	RdrCEF.exe	94
PID 1088 wrote to memory of 3024	1088	RdrCEF.exe	94
PID 1088 wrote to memory of 3024	1088	RdrCEF.exe	94
PID 1088 wrote to memory of 3024	1088	RdrCEF.exe	94
PID 1088 wrote to memory of 3024	1088	RdrCEF.exe	94
PID 1088 wrote to memory of 3024	1088	RdrCEF.exe	94
PID 1088 wrote to memory of 3024	1088	RdrCEF.exe	94
PID 1088 wrote to memory of 3024	1088	RdrCEF.exe	94
PID 1088 wrote to memory of 3024	1088	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\593794b102524db70e08b6b4e224cf4d.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:1396
- 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:1088
- - 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=1829F7362105ED830D30093F0197400B --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1788
- - 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=B725050D652B1B4AB408C7186B1D2A14 --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=B725050D652B1B4AB408C7186B1D2A14 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    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=3F5BBC14EEA64BAEB9C8F2C19CE6AFB2 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1992
- - 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=46982845ED6DEC53887BDC2DCF9153C0 --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=46982845ED6DEC53887BDC2DCF9153C0 --renderer-client-id=5 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1508
- - 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=78F79C2B154CEC1C1CB274286D0CB937 --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5016
- - 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=EDE8F96A82B8A59CD1A72FB1DC2CD6D1 --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:568
- 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⤵
  PID:412

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3320

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
a787844f32cee2b5945ece9fbdd0eadb

SHA1
408446f367adb473e478e3005c1b70726bb989bd

SHA256
3927f4492011166898e1db81184992a733d729777c7ed7cdd2772e5f65e2cc1b

SHA512
90f31661d29681eb94a712fbd930fac3a2a9977e2982ad46734b9dfc2de011ceff122fb3f78dea942c58bd339fe812fcb4276e2d82f3e01c6c30f3886e7cc25e

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