5dd68c5ac4ca4c22c6fc628ad0523308bd8046e91e72931f1484e04868051964

Analysis

max time kernel
144s
max time network
148s
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 14:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7a8c09b9fa90aa0c81aa0c32026c64e0.pdf
Size

78KB
MD5

7a8c09b9fa90aa0c81aa0c32026c64e0
SHA1

7ff48d1d650b7d4fa26b4988c73e52b156e67f34
SHA256

5dd68c5ac4ca4c22c6fc628ad0523308bd8046e91e72931f1484e04868051964
SHA512

a51a7581a60a4d38f0275b13a2b6fe8b496dd29d344cff51d665066cb807bcfdc6b7e4f0c67f17f23e21fc558528700246c5a8a3ab65dc7cab2a826807e10c2e
SSDEEP

1536:43jH2LpwgTEpbIIJPxMq9lkEZxtYV/DjFrjeAh/T/0q4MAfiRJ/Dj2kZVGBM9sra:+jHoKppbIGCrwUV/D5rjeeOfiRxlUBa5

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
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4516	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 3868	4516	AcroRd32.exe	90
PID 4516 wrote to memory of 3868	4516	AcroRd32.exe	90
PID 4516 wrote to memory of 3868	4516	AcroRd32.exe	90
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 640	3868	RdrCEF.exe	93
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 3028	3868	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\7a8c09b9fa90aa0c81aa0c32026c64e0.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:4516
- 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:3868
- - 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=98BEB13C484F4DFA63161AA4294F40A2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:640
- - 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=79F1C098059A049B58B1373EFAE40A39 --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=79F1C098059A049B58B1373EFAE40A39 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3028
- - 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=A47701435EB746A60430EEE3B22E46DD --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1048
- - 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=88F57723D079B321D551E1A37FAFF54A --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3016
- - 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=6A846ACFCAE532950669C63EC10BB244 --mojo-platform-channel-handle=2480 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3608
- - 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=88C59AE80F86DFD423F69D8A7B227CA9 --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=88C59AE80F86DFD423F69D8A7B227CA9 --renderer-client-id=7 --mojo-platform-channel-handle=2516 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2912

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
d76d054bc6f10de839d15b3befc00b35

SHA1
68afcf27e2f81a6213d367fbe33ca7cddc2b4b33

SHA256
c720d699f9a60f06330d26e4201f297c1b122dff3267f5259ffaf91cdb9804ba

SHA512
ee5a989db362ed5127309c6e9610bbafa8ba376128b7ac9e6957b365165e762d815c8b4bf57297dfadecb1fc3c0a196fef46ace51c21e91f1b7776ba41a9e2a1

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