4891637e943a03ac4dd00ff5ae1a8d02de55bab54cd294ecce69cf2823d91129

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
16/11/2023, 07:57

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

NEAS.82667f2832a5f379adebebee1c574320.pdf
Size

59KB
MD5

82667f2832a5f379adebebee1c574320
SHA1

d2904fe08554ecf87ecc3b6edc7e93ac6cf58882
SHA256

4891637e943a03ac4dd00ff5ae1a8d02de55bab54cd294ecce69cf2823d91129
SHA512

d2f2a88f954d3b2d47e47941b4b5d474c1364654f2640b7711f6768eddb293fec92bfc1bfc769e10e412469af8318ef9077da3f4ba8856a661abbc49bf0ee023
SSDEEP

1536:F7D3VhRpDpuFaJwtY2SFYLpgYr/RmNC2tQS+:F7D3VvpDdmY2SFYLpfrJpG3+

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-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4304	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4304 wrote to memory of 4588	4304	AcroRd32.exe	93
PID 4304 wrote to memory of 4588	4304	AcroRd32.exe	93
PID 4304 wrote to memory of 4588	4304	AcroRd32.exe	93
PID 4304 wrote to memory of 1544	4304	AcroRd32.exe	95
PID 4304 wrote to memory of 1544	4304	AcroRd32.exe	95
PID 4304 wrote to memory of 1544	4304	AcroRd32.exe	95
PID 4304 wrote to memory of 4780	4304	AcroRd32.exe	98
PID 4304 wrote to memory of 4780	4304	AcroRd32.exe	98
PID 4304 wrote to memory of 4780	4304	AcroRd32.exe	98
PID 4304 wrote to memory of 2216	4304	AcroRd32.exe	100
PID 4304 wrote to memory of 2216	4304	AcroRd32.exe	100
PID 4304 wrote to memory of 2216	4304	AcroRd32.exe	100
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 3540	2216	RdrCEF.exe	101
PID 2216 wrote to memory of 2756	2216	RdrCEF.exe	102
PID 2216 wrote to memory of 2756	2216	RdrCEF.exe	102
PID 2216 wrote to memory of 2756	2216	RdrCEF.exe	102
PID 2216 wrote to memory of 2756	2216	RdrCEF.exe	102
PID 2216 wrote to memory of 2756	2216	RdrCEF.exe	102
PID 2216 wrote to memory of 2756	2216	RdrCEF.exe	102
PID 2216 wrote to memory of 2756	2216	RdrCEF.exe	102
PID 2216 wrote to memory of 2756	2216	RdrCEF.exe	102
PID 2216 wrote to memory of 2756	2216	RdrCEF.exe	102

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.82667f2832a5f379adebebee1c574320.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:4304
- 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:4588
- 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:1544
- 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:4780
- 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: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=1BB8C6E1C66AE591AE5AC92C92E89C10 --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=1BB8C6E1C66AE591AE5AC92C92E89C10 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3540
- - 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=591625C8C1EB46B483EB1A4C2290E359 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2756
- - 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=B4B1AFD858C8BE576DCF6D6C7AC86207 --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=B4B1AFD858C8BE576DCF6D6C7AC86207 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3164
- - 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=463B9524DEF3204BCCC1E60C684EDA3C --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4820
- - 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=130A37C3CD0AC5ED151CBFA14EE933AA --mojo-platform-channel-handle=2064 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1756
- - 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=F533E85F8D15AD94F0AAE28EDEC9EB9A --mojo-platform-channel-handle=1996 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3356

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2424

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

Filesize
64KB

MD5
df17d32fcebd73807a38c23e987f54f9

SHA1
4538d4a3ec97d1eca7c3f008aef019b5c4e6d26d

SHA256
8a104130f46e8b2dc6a7104a241fa4c1eb5bbe4efeeea7d8ee308c361ebcfbd2

SHA512
4b4a0693f1213777a944843565efe82ec42ffdd86e2cef510f1086a830f5876133348907377229265af67e45f881a10a91887b84bfeaaac0e7ee686d79502c28

Download Submit