e21026461fc865539ca8d3372b9db4d44114117dc64d404df38f204c07976531

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 05:04

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General

Target

6e57b1f512ec92713ef4afbfa3f6bcdd.pdf
Size

45KB
MD5

6e57b1f512ec92713ef4afbfa3f6bcdd
SHA1

44c31353856d5b0f458688a4a961e4f71b23719c
SHA256

e21026461fc865539ca8d3372b9db4d44114117dc64d404df38f204c07976531
SHA512

3e60601f689b69a76fe9226111352720bae2472da175c3a28051e758c5e68485ffa3a66cef94efc5bc6d2c0779107ea39bc1c11ac4291668a9eb30d04dffb179
SSDEEP

768:hErnwuPWi26MsXAv70yenc9V3r3DIzOz3VssePKyzCj8eS44oQ3EnPF:hOnPeSXU7UcD3k6zFsseS2u8eS4vQUnN

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4436	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe
4436	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 1048	4436	AcroRd32.exe	94
PID 4436 wrote to memory of 1048	4436	AcroRd32.exe	94
PID 4436 wrote to memory of 1048	4436	AcroRd32.exe	94
PID 4436 wrote to memory of 1088	4436	AcroRd32.exe	96
PID 4436 wrote to memory of 1088	4436	AcroRd32.exe	96
PID 4436 wrote to memory of 1088	4436	AcroRd32.exe	96
PID 4436 wrote to memory of 2696	4436	AcroRd32.exe	99
PID 4436 wrote to memory of 2696	4436	AcroRd32.exe	99
PID 4436 wrote to memory of 2696	4436	AcroRd32.exe	99
PID 4436 wrote to memory of 640	4436	AcroRd32.exe	102
PID 4436 wrote to memory of 640	4436	AcroRd32.exe	102
PID 4436 wrote to memory of 640	4436	AcroRd32.exe	102
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 1480	640	RdrCEF.exe	103
PID 640 wrote to memory of 3176	640	RdrCEF.exe	104
PID 640 wrote to memory of 3176	640	RdrCEF.exe	104
PID 640 wrote to memory of 3176	640	RdrCEF.exe	104
PID 640 wrote to memory of 3176	640	RdrCEF.exe	104
PID 640 wrote to memory of 3176	640	RdrCEF.exe	104
PID 640 wrote to memory of 3176	640	RdrCEF.exe	104
PID 640 wrote to memory of 3176	640	RdrCEF.exe	104
PID 640 wrote to memory of 3176	640	RdrCEF.exe	104
PID 640 wrote to memory of 3176	640	RdrCEF.exe	104
PID 640 wrote to memory of 3176	640	RdrCEF.exe	104
PID 640 wrote to memory of 3176	640	RdrCEF.exe	104

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\6e57b1f512ec92713ef4afbfa3f6bcdd.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:4436
- 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:1048
- 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:1088
- 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:2696
- 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:640
- - 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=8A012590771F32DFC4C97EBEDAFF7FFD --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1480
- - 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=65ED0F728FBA4F870782AC56B94EFAAD --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=65ED0F728FBA4F870782AC56B94EFAAD --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3176
- - 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=E50A97C5AAEDAD0345251683AB7E2FAA --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=E50A97C5AAEDAD0345251683AB7E2FAA --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:544
- - 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=C67D48ECAD8F9861DF757E14427630EA --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4512
- - 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=9E5A48B1AFDF644A7A143D814AE5C144 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4368
- - 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=5799F3A97DDB83CC7FA95FF4652F4FE7 --mojo-platform-channel-handle=2796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4288

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

Filesize
64KB

MD5
d383e7063117e7225df33d689a0ddd7f

SHA1
f978f768cd14a3832afd5d3116c9957de957b3e0

SHA256
632265b6b77306745accd0c39ae87488a15d6728eabacac6be4fd0fb010a07a8

SHA512
9cb51d11ee96528e41b552925afe37d65735f0160e92f1d3aa92a30da163971561c0b23865114008b192f57b7408f74fddf475c6e8cdc3dbadf2cd1791490dd8

Download Submit