1532ba18b9ac32a82e2599f7c85c45d9d0bbcb1c00bb8e7f17c888b3f0ba366e

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 08:44

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General

Target

79c8c608762ec3aeb94f04155861b9eb.pdf
Size

90KB
MD5

79c8c608762ec3aeb94f04155861b9eb
SHA1

be12bdf6cef1c3651c2be999fecdb2a7dfa1eaf1
SHA256

1532ba18b9ac32a82e2599f7c85c45d9d0bbcb1c00bb8e7f17c888b3f0ba366e
SHA512

d09608e1d96cde2d5ab961436e4e66ea8473cefa55fd95dbf5fc6aa385f15f98ca7684df1982e17b84ae7bd2069c57cc95b507fc3f7c53b236a4573a523cf9fc
SSDEEP

1536:5jE/if9kpfA8X3c60yj1HjVvTXFdNhfAkxxWHpOvTWNNud9BxDUY+CbbGK:pE/i2XX3XFpFJfZAk5vtvxw2b

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4996	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 3760	4996	AcroRd32.exe	89
PID 4996 wrote to memory of 3760	4996	AcroRd32.exe	89
PID 4996 wrote to memory of 3760	4996	AcroRd32.exe	89
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1416	3760	RdrCEF.exe	92
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93
PID 3760 wrote to memory of 1348	3760	RdrCEF.exe	93

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\79c8c608762ec3aeb94f04155861b9eb.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:4996
- 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:3760
- - 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=5E948FDAFCCF96EAF331862965F36843 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1416
- - 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=5034BB5AD4CDD539624980F995887728 --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=5034BB5AD4CDD539624980F995887728 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1348
- - 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=064C50CBCD0C086EB0937F9AA07DAAF7 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1180
- - 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=D43F99E1FE582479A54CA48B76F0FAEA --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2948
- - 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=E2272A58D1DA0E7E4C671812CC5451FA --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=E2272A58D1DA0E7E4C671812CC5451FA --renderer-client-id=6 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3484
- - 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=82247404C3AC9A10DFFC0CD8ACDCE0DE --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5108

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5004

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
175398d95bdff43556df905067c00d5d

SHA1
c2e68ec8062278b9e35f5c7d8e7ea9836b846c6d

SHA256
3df0571a2a4bd56c506a5f3efc25f78b0a7d396097bea21277a873ff59d6509a

SHA512
c27d3dad8a0fd59dfb4dbce6c9879dd9db9fbab13103a8657689a5cb0a49022680f090b95725635f1d4b7259e01983a09ad2e904739ccfb6e57c3af7e57b45cb

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