991d7edb96feb73ae63fb931c7860f4d05181e4512551507824d2f4790d25a63

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 14:54

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General

Target

2745160e096f118fb5683d1ceeeaf619.pdf
Size

93KB
MD5

2745160e096f118fb5683d1ceeeaf619
SHA1

ce336bf214430a5facd2d841169fe3857747dafa
SHA256

991d7edb96feb73ae63fb931c7860f4d05181e4512551507824d2f4790d25a63
SHA512

40c01a8dfa3de6eda15c72004b98244787f8fbdd7d34a8273115ef38b100e9495c2ed6ff4ea8c389308c94835d311b940ae24f82e36d5450b5442c5140945e0c
SSDEEP

1536:s+0b1/VIKTLWzplZ8DGb9hFHWDX/JB3lpyl25qIzglt5sZWapOtQCWeJwNGW7SIe:J6XTCZvRbG/TlYmqlTs2tQwWFtgfaW

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
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 4136	2740	AcroRd32.exe	92
PID 2740 wrote to memory of 4136	2740	AcroRd32.exe	92
PID 2740 wrote to memory of 4136	2740	AcroRd32.exe	92
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 3168	4136	RdrCEF.exe	93
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 4176	4136	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\2745160e096f118fb5683d1ceeeaf619.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:2740
- 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:4136
- - 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=0A49D3BED4A6EC224B3A06574331FFCF --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3168
- - 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=4FA3FD60B30341FF6A521CD697CAF863 --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=4FA3FD60B30341FF6A521CD697CAF863 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4176
- - 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=FF37662FD52312A63092075A8A509BC8 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2656
- - 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=13451F1BCE667FAC5FF1051D5D13F397 --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=13451F1BCE667FAC5FF1051D5D13F397 --renderer-client-id=5 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4912
- - 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=52ED007704CE59FBF1A1D33300FA198F --mojo-platform-channel-handle=2440 --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=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=1C88AD080AAA169C993054556F065421 --mojo-platform-channel-handle=2796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2832

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
ca5341846b8a3389b0606a6bc69ce989

SHA1
b23dbe7570816e613ef74613656192ce2372e6c5

SHA256
d57653d81f80aa051e8faf3b4a8567d897e61a250695d20be40fb879b1b163ac

SHA512
6ca2cb860be80f3e0ec4981dc79f143ae295af2f49ad42883e438c7d110085ead00b4d392a46c2d69e6c2021f68e3a448f7e667c5da46be614a8127c39b53a5f

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
memory/2740-26-0x000000000BCB0000-0x000000000BD00000-memory.dmp

Filesize
320KB

Download