09ac4e1c077af6500b1c5ffa339fd2a8b8be32e5ca675e41dae949819d3b7fcb

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 10:35

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General

Target

08c498cadba4a26c0d901d08ca087b25.pdf
Size

80KB
MD5

08c498cadba4a26c0d901d08ca087b25
SHA1

c2866370bacfc7ac82fcfd444b6d7e2ff2468ab0
SHA256

09ac4e1c077af6500b1c5ffa339fd2a8b8be32e5ca675e41dae949819d3b7fcb
SHA512

6a60a7da054d0ae8b663c94b0fe1eb841df691e1332980d7f15e54480787b5a899f070c300d6389b97967f3e82b70bc6fe28b00b21639b697b97e609414c5e51
SSDEEP

1536:0fmscjG+J5w7zzGp5TinzPDL7JcpZUWzoKSTpT3rmgWI3FWspO2g8x:g1eGfmPinzPDL6DjSt3rmgWis2Z

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2780	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 2292	2780	AcroRd32.exe	92
PID 2780 wrote to memory of 2292	2780	AcroRd32.exe	92
PID 2780 wrote to memory of 2292	2780	AcroRd32.exe	92
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 2884	2292	RdrCEF.exe	93
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	RdrCEF.exe	94
PID 2292 wrote to memory of 756	2292	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\08c498cadba4a26c0d901d08ca087b25.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:2780
- 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:2292
- - 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=65D2BA06271743F78D6E7BE8CBFB59BD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2884
- - 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=87D7EAA56038F68DB7117FCE3AA5A2BF --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=87D7EAA56038F68DB7117FCE3AA5A2BF --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:756
- - 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=2009E7D74941A3C9509F1385F205D354 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4684
- - 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=B09CE227576287B160AB0E7621F09001 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1704
- - 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=1BB0E65120B71448DB3DF9F9492558B7 --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=1BB0E65120B71448DB3DF9F9492558B7 --renderer-client-id=6 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4964
- - 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=F10B69FB197DF7D2796D0DF4383C592E --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1176

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
c9b4caf9d066a61e10fd9e58b6c260c7

SHA1
dd40736b9ebaee985d306a6e10051c9244e49a7f

SHA256
04b011e7e5e579e84e865f993272dd29df7975d6f4aa853f3870521a1729c073

SHA512
bdd369da611ea1d139bfe58f54579406d7dd08240b9b0a6fe73c73fb1e9eb6fec10ffc20134bdf4d6be3cdce118e8abfb1360548f971f5c6eb23e5d2d0ad4a78

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