b1e94cd38be1ad52e46323dabbc19738e93e0224e55fba6f2c426e70113faeb0

Analysis

max time kernel
151s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
04/11/2023, 14:50

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General

Target

NEAS.89256c52b8410ab3a0a543b134866a10.pdf
Size

168KB
MD5

89256c52b8410ab3a0a543b134866a10
SHA1

50203a1c961e641507c5d0095a2e8850d8652957
SHA256

b1e94cd38be1ad52e46323dabbc19738e93e0224e55fba6f2c426e70113faeb0
SHA512

023d9d9e5545f3a93ff0f66aea347890ddfd2c5362572a71f5e20d8b2eba6c75f237c60c32e53f1c51003c0db53f2c84a121fa3b334311b2aa198d86e884049d
SSDEEP

3072:dtZi56CLq0bahjnvBmH7mJjZmfRkQ+oblScV4Aft76ElTpnN21JNJr0ygsYV:dPXsKjnvB+mif+nop1VZkElTt

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-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3120	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3120 wrote to memory of 4652	3120	AcroRd32.exe	91
PID 3120 wrote to memory of 4652	3120	AcroRd32.exe	91
PID 3120 wrote to memory of 4652	3120	AcroRd32.exe	91
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 5060	4652	RdrCEF.exe	93
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	RdrCEF.exe	94
PID 4652 wrote to memory of 2216	4652	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\NEAS.89256c52b8410ab3a0a543b134866a10.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:3120
- 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:4652
- - 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=68EBB2058B15A4B5925F24EAAC918D08 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5060
- - 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=529F6E0FBD337C84DF5A5CDED1C4BC02 --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=529F6E0FBD337C84DF5A5CDED1C4BC02 --renderer-client-id=2 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2216
- - 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=A14DCF4F50DD461AEAF04387C1AE5B89 --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=A14DCF4F50DD461AEAF04387C1AE5B89 --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3640
- - 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=42974BDC1E256935CB5E849EA5996B2A --mojo-platform-channel-handle=2216 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2320
- - 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=5E4613AFBC8FBC79FF586F1D666F4AD6 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=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=D41CD835827222E00FEB1199ADCE3208 --mojo-platform-channel-handle=2200 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1612

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3200

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
5e394239e46fc3c6e5f3724d19a8d506

SHA1
0278f95206305bb6126c4523a1b015d9d69695ec

SHA256
fefc8d2fb093a4403c60d6ac1548e0b784b7c63650c29d4e5e8fdf17c4396c0e

SHA512
232f3f78b9b60692ca69d8e94e575301195e4576929c62a6cdc756445d5e5c77d9566779355fa88b425d5206813a9ab9d3bc1d3ac74d59ffc6006b35628bdaf4

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