c6487ccb20e2412e2a43b838c2f77494ee77d6752f575dd7cca6d31aa90a7373

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
13-02-2024 23:50

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General

Target

9a3e53a43a80a86e9835c8cbca933ed7.pdf
Size

82KB
MD5

9a3e53a43a80a86e9835c8cbca933ed7
SHA1

455e2937bf20a255921507f8d44e4e45d7ad6857
SHA256

c6487ccb20e2412e2a43b838c2f77494ee77d6752f575dd7cca6d31aa90a7373
SHA512

4c8d348bd712f4928c05e5dae9017c110f1aae604e3173d97c074c7b2a211406f91374a8e05f98ab36c8546515beadbac86b2ca67a401634eca974252a74d642
SSDEEP

1536:oJvHVX/gECD8o65a5C5tyHrzKNr5HVXELbWCWHpOvZe8eZS6WZxBARk:mtvgHPuarOp51XYbWCvZefSdBd

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
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4336	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 624	4336	AcroRd32.exe	87
PID 4336 wrote to memory of 624	4336	AcroRd32.exe	87
PID 4336 wrote to memory of 624	4336	AcroRd32.exe	87
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 5032	624	RdrCEF.exe	89
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88
PID 624 wrote to memory of 3456	624	RdrCEF.exe	88

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\9a3e53a43a80a86e9835c8cbca933ed7.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:4336
- 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:624
- - 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=A4EE99B62289E6D0D31AF75BB71D3C2D --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=A4EE99B62289E6D0D31AF75BB71D3C2D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3456
- - 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=30C011FD3967AB757E5E1688202472E7 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5032
- - 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=61783FCF52CC4514005E50E38A2F39F3 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=9B0B41116560C711D207E23EE368BB57 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1272
- - 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=18FD9AEBF69ED5865966DF3913DF0073 --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=18FD9AEBF69ED5865966DF3913DF0073 --renderer-client-id=6 --mojo-platform-channel-handle=2524 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4740
- - 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=A4514E2E8AADB70B8C119F9DA6E27824 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:440

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
ccc6c7e05d106ca0078852e919de450b

SHA1
9db141892c9400b5d30a6060fb6677147df34b56

SHA256
0d4c4609bc6f13d21adca21c113e379d946e2ad2bdf251d25fc7ea9aa2c7c40b

SHA512
8671fa06951f14cf8d56719070ad98b4e3b3f9a65a16a8b956a2f29726c9200f4e1ac76b59645bc4169fde52cfb92b4e7afdac27e612568cdd1feec9bb62dcd5

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/4336-26-0x000000000AC30000-0x000000000AC80000-memory.dmp

Filesize
320KB

Download