65a34c35159659dc994b2b7f380884bbc583633111a95bb2d6223be1dccd979e

Analysis

max time kernel
149s
max time network
153s
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, 13:10

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General

Target

37664702e803a817c1884f11f643bcb9.pdf
Size

34KB
MD5

37664702e803a817c1884f11f643bcb9
SHA1

e4a74695e21f35dd17fcd22a16a3a081d0743774
SHA256

65a34c35159659dc994b2b7f380884bbc583633111a95bb2d6223be1dccd979e
SHA512

7259703e85596dcb1f9fe6a0453396ad80a44aeef4758c39340eef8ee086cbbb9d41306d50ccb1637fc52b5a1bf2d1092a17f03302631d64b2b8b633b7bfb5bc
SSDEEP

768:enUXBy8zM4Wy9Osq1Xveexz/giUnBFguvMJ:eUI8QygmJXMJ

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4716	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4716 wrote to memory of 3728	4716	AcroRd32.exe	93
PID 4716 wrote to memory of 3728	4716	AcroRd32.exe	93
PID 4716 wrote to memory of 3728	4716	AcroRd32.exe	93
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 2216	3728	RdrCEF.exe	94
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95
PID 3728 wrote to memory of 3844	3728	RdrCEF.exe	95

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\37664702e803a817c1884f11f643bcb9.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:4716
- 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:3728
- - 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=71C3EDF03AEE751DD86E3ACBD29D9394 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=A9920AAD5708B985F991ADCA0F1107CE --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=A9920AAD5708B985F991ADCA0F1107CE --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3844
- - 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=E7EAD83A4E85A8333696979F8ECCDF9A --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:980
- - 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=6B41452B03A0B65B7B70A049815519AF --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2536
- - 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=1DC74A63CA1E06CD39627CD164A2C489 --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=1DC74A63CA1E06CD39627CD164A2C489 --renderer-client-id=6 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2984
- - 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=085E65EF5AD1FCADD5F08EE711F82EA0 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4356

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3324

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
df217618c99f14370bc0cbf0790b8bbe

SHA1
70c1b71c0ecf5f737591665b96e45074a647d248

SHA256
bd11c3d50a20058bb6c166138aeac2fdb8f1fdea0ccee59dd7cf54c0ee26ede6

SHA512
24cd2510c2e66bfb3e5262d0cb2b6f7f21f42576e93ed79cb61a012b7976156483bbfff29671b4db07d8f5472fedbfd1143cb74f8789dfae843912106b1e6707

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
memory/4716-26-0x0000000009D60000-0x0000000009DB0000-memory.dmp

Filesize
320KB

Download