91fd65c94d87131b2c762f97a8a2609475113355fe7e58b21cea2a9a6d944a0e

Analysis

max time kernel
147s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 14:06

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General

Target

b72cbddadcf6bd44d4e9c40bf6e6475c.pdf
Size

35KB
MD5

b72cbddadcf6bd44d4e9c40bf6e6475c
SHA1

22f5ae86c07b4a0071914b790a0ccb841b1242ed
SHA256

91fd65c94d87131b2c762f97a8a2609475113355fe7e58b21cea2a9a6d944a0e
SHA512

82b36103d213a15c7851e51f59b886394bfe4ea4f3d99864093dee3ca67447399983849739cfb1287b3633d0aa0d894ecd017e9787d7c60089561a60030f633b
SSDEEP

768:Bru17f7D/UeD62ZxiyIFNtlKbnTYUzQYlngFKcNzI:B2jwF2Z0yIFNSbEUzlRgFHc

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3556	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe
3556	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 3228	3556	AcroRd32.exe	91
PID 3556 wrote to memory of 3228	3556	AcroRd32.exe	91
PID 3556 wrote to memory of 3228	3556	AcroRd32.exe	91
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1748	3228	RdrCEF.exe	93
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	RdrCEF.exe	94
PID 3228 wrote to memory of 1292	3228	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\b72cbddadcf6bd44d4e9c40bf6e6475c.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:3556
- 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:3228
- - 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=3F0B63034C3F23D8E4DC85344C52ED14 --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=3F0B63034C3F23D8E4DC85344C52ED14 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1748
- - 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=7635D0CA10255D785CBDB607192A77E5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1292
- - 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=80C3274AA7366082C267EC7150ADCA99 --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=80C3274AA7366082C267EC7150ADCA99 --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4416
- - 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=04AE25648DF3EC26DB0B913C7783B11A --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3696
- - 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=ABA5B7EBA09A2924DBF60113B95EAD2E --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2512
- - 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=B31F98688F36503806948FAC56DBAA34 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1144

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
6d8be3784a238f73e50667b141ee6309

SHA1
cf443b0ffd9efff80840e98e9cd579108bcb1a89

SHA256
d3c88dbf9ac3e0b92479fa8ed817cd5fcf709ccfb85893c790b3661242ea5ef3

SHA512
fe3c8180f7426b2ba667f945ee8be47a6f14f1a3ade3060c2d7bb03c3377ddc66a217cb38c6e975c9a176fade3b5dc970d2189bb92947b363d10168a1fbc3c61

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/3556-26-0x0000000009B10000-0x0000000009B60000-memory.dmp

Filesize
320KB

Download