2cfba3530ca7e26c6093e8fe9b98134b9c1ad3ad70efdd16ee4687525f16528e

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 12:58

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General

Target

3702c24050f94508211aa63aa86604d1.pdf
Size

83KB
MD5

3702c24050f94508211aa63aa86604d1
SHA1

d7d655c5131d84751cf336c7ba33a81913df1c74
SHA256

2cfba3530ca7e26c6093e8fe9b98134b9c1ad3ad70efdd16ee4687525f16528e
SHA512

c3c7a64ba08af061edff7e71d2c8cd20ff36340aa54943e808d1979e90e171d775234e14b15b78288ecdfa0279be4e6e6dd85b6e8a2d3d6c7e16fabd5eddef86
SSDEEP

1536:aUgMj4Adhir66qrVifp6qkgFXYT+QtRKhyokwP5RDNdJtq9ezsPrUiNtx8Z:ZDEWSqrVWp2mSa3koD3JY9VPYiPY

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3160	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe
3160	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 3132	3160	AcroRd32.exe	92
PID 3160 wrote to memory of 3132	3160	AcroRd32.exe	92
PID 3160 wrote to memory of 3132	3160	AcroRd32.exe	92
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 3080	3132	RdrCEF.exe	93
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	RdrCEF.exe	94
PID 3132 wrote to memory of 2108	3132	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\3702c24050f94508211aa63aa86604d1.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:3160
- 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:3132
- - 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=BC9087943BA84DC30AFC00877D78DC2B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3080
- - 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=9EF045AEF104B8B05FEDDEAF2E320C80 --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=9EF045AEF104B8B05FEDDEAF2E320C80 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2108
- - 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=0BC8E180368D962C823F185094DF50CD --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4452
- - 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=0203785EE57300B78148349C97F9553F --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=0203785EE57300B78148349C97F9553F --renderer-client-id=5 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2916
- - 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=82D3502673C1D3E528A2F23651B81CE9 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3104
- - 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=180E4A0362A9D57C1A45FE7A6A96089E --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4944

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4748

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
e58aa158b8eec2c71919605c7ce1b0a7

SHA1
9a30b1d93b1fee5439e46303b8dfe97d025eea3a

SHA256
89587f5c2b10057f02b485005b2c6bb11640837ce609708fc0e29b47a0945491

SHA512
7f9a9ea974c915444d87fd31ed8013f8c12331439130927541b8319b79814683d8e1809ac2b51159bb80d109f9d14516dc2d2f9501105be3e9cd51f66af0f84e

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