2ffc358b911b794c0af954a9258fbddf7cb18337979ad6dbae58f53d5058a3f6

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2024 19:07

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General

Target

4436696561bddaac6e54de588398e9cb.pdf
Size

13KB
MD5

4436696561bddaac6e54de588398e9cb
SHA1

5fe75012bdf7983d4d7cc857590ec33e64147486
SHA256

2ffc358b911b794c0af954a9258fbddf7cb18337979ad6dbae58f53d5058a3f6
SHA512

1bc42572873d080e2ecc1fa216fe5b09723c1641a4abfeb5f18664fbcc13b44a523a6084f357958e22db5ec75ff1a4dd18f90edb5e07d1c87659aa8b95b70186
SSDEEP

192:rQhzajYqwAO9G+/vvTs7hXbfym4GJVbBftJy/suiXFdRvQNi/60un/T8qvROdjzJ:shzaNwAO9GiM5fdtttZQi/60G78s4djN

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
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2308	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe
2308	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2328	2308	AcroRd32.exe	90
PID 2308 wrote to memory of 2328	2308	AcroRd32.exe	90
PID 2308 wrote to memory of 2328	2308	AcroRd32.exe	90
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3496	2328	RdrCEF.exe	92
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91
PID 2328 wrote to memory of 3920	2328	RdrCEF.exe	91

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\4436696561bddaac6e54de588398e9cb.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:2308
- 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:2328
- - 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=FACEB8723AD74DB386FF51B05571116F --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=FACEB8723AD74DB386FF51B05571116F --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3920
- - 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=B71874D453E6A9077F9B19E4F410CD0A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3496
- - 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=508C746FC665600F2026E9557C950E41 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2504
- - 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=2B214A8DD9D6C3CE3889A3F9BE4F5F15 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2296
- - 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=F946004627C6B302D985A62D8D05FCCD --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=F946004627C6B302D985A62D8D05FCCD --renderer-client-id=7 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4904
- - 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=54D210F7DB059949719D4B5064DD7F6B --mojo-platform-channel-handle=2360 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1740

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:388

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
690212a21a55dd4451ec950e2648ac93

SHA1
401e2fa1f2cd26d7929ef00d9e2c4e95cbd41ffd

SHA256
d4c8c413f9b811dc14548b05e36a998decdc3e3999da1050c420577e538a7539

SHA512
5a235fc7d66e9d7752b0e774d279bb859d684fd9a9d16ab380e79e0d4976e7eda751d94f4a97a7d388888d7f573cc74e137a60f954823efb09ee7b87dbad9166

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit