3e267f95536e7495ec299b04c39f0271c9511a32c63f94144637a008a1f5fbf7

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 22:34

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General

Target
7306573a7e716d3ee5a0e5901695e5b8.pdf
Size 95KB
Sample240124-2hfktaafgl
SHA256 3e267f95536e7495ec299b04c39f0271c9511a32c63f94144637a008a1f5fbf7
MD5 7306573a7e716d3ee5a0e5901695e5b8
SHA1 defb85bb4c6a45035d89d8b6ce96cc4e38a0a233
SHA512 196334a75e46f5a1c483477620ce047e1f391a511923f124f6019baa384683bbc9b690207ae929f277ed0c126515fd4dc8ab28a8ba41c8f4b17b942f770a2e68
SSDEEP 1536:AaFu7Ph4blzww8RcF9pWLJWvasu+/O8eptm53g+FEyH5JGo2P7xkli95enQRMV19:Ju7h4BzK2OIvak/O8qtm53ddwoiPeWy9
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3124	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 3360	3124	AcroRd32.exe	91
PID 3124 wrote to memory of 3360	3124	AcroRd32.exe	91
PID 3124 wrote to memory of 3360	3124	AcroRd32.exe	91
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 5116	3360	RdrCEF.exe	94
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95
PID 3360 wrote to memory of 4828	3360	RdrCEF.exe	95

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\7306573a7e716d3ee5a0e5901695e5b8.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:3124
- 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:3360
- - 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=AC02185B206870DE229FB33B04813111 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5116
- - 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=9970A652D223E03286418E986B6BC1DC --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=9970A652D223E03286418E986B6BC1DC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4828
- - 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=DB0013871414B65D0776A5C0B44D4BA2 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:468
- - 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=1A7DD539EA2EC9BC80B05EDB4B258E08 --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=1A7DD539EA2EC9BC80B05EDB4B258E08 --renderer-client-id=5 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1736
- - 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=3B979C26B151655E67822DCBA724E0A6 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4108
- - 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=4EED5BE88DA393B0D7FCC1F8971E89B3 --mojo-platform-channel-handle=2236 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4500

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 51277b71796fdef6462314617262b640ac79f3a82c7b066811733a9a7e884e4e
MD5 31298120b5cda4d8f31de23a29e8a54d
SHA1 dafa0e70d07b8f2d6ecff4eec69546c5c313f02f
SHA512 a954b15d72869673ff84388c9d5195d87125227ddbeb1c577db3cf00ae736a4942d675f2b83ec1043c59fbca50947caf2c3ee2d716f07115d83f747ead4cce5c
SSDEEP 384:yeOdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:t+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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