c055ff909220833e99de4afc1386e3cebf83dcb72a2506d747b850d4202bde0a

Analysis

max time kernel
141s
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
19/12/2023, 11:08

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General

Target

107d52d57187ece2193b78ab4e0e14bd.pdf
Size

69KB
MD5

107d52d57187ece2193b78ab4e0e14bd
SHA1

d8ae01890e2fb77e5b28f10d1f44c475bbf39b6e
SHA256

c055ff909220833e99de4afc1386e3cebf83dcb72a2506d747b850d4202bde0a
SHA512

2f1148937e7b6b69bca7c3badbbaa2750570bb9e8c63e150ee5f1b9159b28525590bbac5b406c0f1253012c544162c995940d1f44244753264d04e25200e4460
SSDEEP

1536:6XGITP02TOygmBRFGKUUUPd585DEUcepvyVL8eq3QGCjpuWUen4FwWXpO/ngiQ:rI1SA8bxPS0epvyVLIg9jpZ0Y/W

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
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3876	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe
3876	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3876 wrote to memory of 4952	3876	AcroRd32.exe	95
PID 3876 wrote to memory of 4952	3876	AcroRd32.exe	95
PID 3876 wrote to memory of 4952	3876	AcroRd32.exe	95
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 4568	4952	RdrCEF.exe	96
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97
PID 4952 wrote to memory of 3692	4952	RdrCEF.exe	97

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\107d52d57187ece2193b78ab4e0e14bd.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:3876
- 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:4952
- - 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=1DE389FB2FEFFCEE84FFDCDB9983B101 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4568
- - 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=1E2C79A651F2B09A0B8DD5CA4CE88616 --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=1E2C79A651F2B09A0B8DD5CA4CE88616 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3692
- - 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=CBF763DB4609316B17FA4D65687BF40F --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3992
- - 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=3BF3DCD774C8D54B4BE9668DDCDA9D3D --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5116
- - 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=7BDB61F5D1A9ABD90E7E979F21C22CBD --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4388
- - 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=DD2EFD318365C17678C8CE5FF36007E4 --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=DD2EFD318365C17678C8CE5FF36007E4 --renderer-client-id=7 --mojo-platform-channel-handle=2380 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4696

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1288

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
ccb0d9ee91bd540a4822d5e00ff067b7

SHA1
b1f1fa6c099f5c82bd3e6645de1e40825d963e7a

SHA256
602063d327f0ae00f3720753bb614ad231598ad386df84b57208736eb1cb7a6d

SHA512
63323a5067a1abe1a48695063dc655c6e9cc33885bdd740971b39b07b9e8f595be2b18bbdec73ae0df985e65024bbf745a819e44f524a73a5fe9d68b24f15f0b

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