3f8b3c6cfc34f64f73111481c48cc66e0ad08d7e3fa9f052b6463a0ff468d682

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 15:05

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General

Target

9bfc663f4a3b27d92078b1284b5e087e.pdf
Size

97KB
MD5

9bfc663f4a3b27d92078b1284b5e087e
SHA1

cb2d94e3d8725128e41071d1f9415128829d22ef
SHA256

3f8b3c6cfc34f64f73111481c48cc66e0ad08d7e3fa9f052b6463a0ff468d682
SHA512

768b0e4959de78c7c8f2a26ed529bdbc78310b1d72b7b46cd212cdde984b053212f8a098282d829e3e9a155278d1542418a03c47843e8a64b5b40b6add8d78e4
SSDEEP

1536:l8qoutqZ5MANmPA7gWwJtdXBvNFtvP8XjRjNpTd0txo0wcWGpOKXGBjY5LTVWm6q:r1XA74JPxvN7aRJPycKGEL9Iht6

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1780	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 396	1780	AcroRd32.exe	84
PID 1780 wrote to memory of 396	1780	AcroRd32.exe	84
PID 1780 wrote to memory of 396	1780	AcroRd32.exe	84
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 552	396	RdrCEF.exe	85
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86
PID 396 wrote to memory of 4840	396	RdrCEF.exe	86

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\9bfc663f4a3b27d92078b1284b5e087e.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:1780
- 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:396
- - 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=75C66BCD7DA5F4E39D8397C9FDE54B4F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:552
- - 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=6E8D961FB3EE12226182ADC0FB4E6BBE --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=6E8D961FB3EE12226182ADC0FB4E6BBE --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4840
- - 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=3EBC828EA7F23DB35867F5C665A7D17B --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4916
- - 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=964294B1AEA817E3988FE178D64B3C3D --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2424
- - 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=8BC0C4FA7247E52576D8ADE1889999DB --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=8BC0C4FA7247E52576D8ADE1889999DB --renderer-client-id=6 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:1
    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=23BED21C1EABDF5F41FF0C57A5F27922 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4884

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4036

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
c9764e2c405469d545c5fd435dc3900d

SHA1
fdcfb2f60c78bacd837f35e66cd053d9c9e11fcf

SHA256
35f4d4532d94b89842a603b264c3586db14134b4084615d49cddc5fc1aaafe95

SHA512
b4b74c98f3553da1d527025a3d07d3397aa08afd804217573df666fef064a3d0f00de36eb9133efbb0ca814980b2ef8daa363f558d69860969c9f520be8f40aa

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