3e5550bd820be67c7def2a4b9a9e693ca4c216a5c5b76759b167ca46e63c4e90

Analysis

max time kernel
151s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
05/11/2023, 07:14

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General

Target

NEAS.a22054c012e043303b3165d941c8f780.pdf
Size

428KB
MD5

a22054c012e043303b3165d941c8f780
SHA1

fe6873c55ae37a8ee62deee3d29353377abc3ebe
SHA256

3e5550bd820be67c7def2a4b9a9e693ca4c216a5c5b76759b167ca46e63c4e90
SHA512

ea701d4419d72f173250c4ffa5f0d5e25a7d1685336a21738df100af31d6d823d4b7a359f56d82bc41ed990ad4a85a07c6472e37ca837271eab89b3c5b3e5df0
SSDEEP

6144:4nQOCD1nIisavmuJZXAKlhPcdgmugc2yqTu5ym2/EdNDZyX2eNIkvYf4tx6M0FKD:4nQFIZypXsSbgc3FrDZyPNwmx6zKpF

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-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1328	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe
1328	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1328 wrote to memory of 2992	1328	AcroRd32.exe	98
PID 1328 wrote to memory of 2992	1328	AcroRd32.exe	98
PID 1328 wrote to memory of 2992	1328	AcroRd32.exe	98
PID 1328 wrote to memory of 3484	1328	AcroRd32.exe	99
PID 1328 wrote to memory of 3484	1328	AcroRd32.exe	99
PID 1328 wrote to memory of 3484	1328	AcroRd32.exe	99
PID 1328 wrote to memory of 3108	1328	AcroRd32.exe	101
PID 1328 wrote to memory of 3108	1328	AcroRd32.exe	101
PID 1328 wrote to memory of 3108	1328	AcroRd32.exe	101
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4692	3108	RdrCEF.exe	105
PID 3108 wrote to memory of 4552	3108	RdrCEF.exe	106
PID 3108 wrote to memory of 4552	3108	RdrCEF.exe	106
PID 3108 wrote to memory of 4552	3108	RdrCEF.exe	106
PID 3108 wrote to memory of 4552	3108	RdrCEF.exe	106
PID 3108 wrote to memory of 4552	3108	RdrCEF.exe	106
PID 3108 wrote to memory of 4552	3108	RdrCEF.exe	106
PID 3108 wrote to memory of 4552	3108	RdrCEF.exe	106
PID 3108 wrote to memory of 4552	3108	RdrCEF.exe	106
PID 3108 wrote to memory of 4552	3108	RdrCEF.exe	106
PID 3108 wrote to memory of 4552	3108	RdrCEF.exe	106
PID 3108 wrote to memory of 4552	3108	RdrCEF.exe	106
PID 3108 wrote to memory of 4552	3108	RdrCEF.exe	106
PID 3108 wrote to memory of 4552	3108	RdrCEF.exe	106
PID 3108 wrote to memory of 4552	3108	RdrCEF.exe	106

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.a22054c012e043303b3165d941c8f780.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:1328
- 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⤵
  PID:2992
- 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⤵
  PID:3484
- 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:3108
- - 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=4C55EADC6EF0A08535B5C797EC217E70 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4692
- - 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=B9F3F6B5BDA6CBC1B3AA0F03FF1B8DB1 --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=B9F3F6B5BDA6CBC1B3AA0F03FF1B8DB1 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4552
- - 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=774DA9D27329BCDB190305E74FDFD61A --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:440
- - 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=8A1D9293AC4F89BD9E87633103FCF038 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4776
- - 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=AB26AB05F1F5B95D902C22D36EDBFD14 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5072
- - 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=DCD95FB284F5E18328930A5B75E78F46 --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=DCD95FB284F5E18328930A5B75E78F46 --renderer-client-id=8 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:676
- 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⤵
  PID:2404

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1752

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
2658413b9d0d1e9f61317afd91a2fb41

SHA1
71e8cc626a0833e07b8d88bed9674f6fbbec28ca

SHA256
95e9272528d127055ebbf7b1952e7e15cf9859d0079f4f112e93180403b82e01

SHA512
760815bfa1ff88bebeced3edb02f81d765f6d22d9a07faac8c19f401accdf06260e11a13906767af38079beac3adbef32a518e91055f9c9fa38f08e0a476d247

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit