c39a839e3d4e2732f8cdcde2d47fee012a32748025edb57f96fa76ca42fcde93

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 01:40

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General

Target

ca27233cd8a6809f615c18c442574e7b.pdf
Size

34KB
MD5

ca27233cd8a6809f615c18c442574e7b
SHA1

0706eda2794344ca2a43c4b60d62010fc0980dd7
SHA256

c39a839e3d4e2732f8cdcde2d47fee012a32748025edb57f96fa76ca42fcde93
SHA512

70f168637ccc3f1dd0835f44ae0c96e66b4874dd531c5da77cf2b7507ced9425e3dd00df6f63e38a4a01eafe6828b24599af6518b6e5993ed31b7bbac3e5e0aa
SSDEEP

768:lEbod+NMfdK1JtZc+Bc3c/tVHmEmYM8IeYGtoW4Cr4QMVg9M:YodBlKK3cFV5IIP4JQcgy

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4572	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe
4572	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 2052	4572	AcroRd32.exe	97
PID 4572 wrote to memory of 2052	4572	AcroRd32.exe	97
PID 4572 wrote to memory of 2052	4572	AcroRd32.exe	97
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 208	2052	RdrCEF.exe	101
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	RdrCEF.exe	102
PID 2052 wrote to memory of 4832	2052	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\ca27233cd8a6809f615c18c442574e7b.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:4572
- 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:2052
- - 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=C656615C95CBBC18B3E0D722DB62631B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:208
- - 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=F8644E077F8DD8D07D506D7C3F05832F --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=F8644E077F8DD8D07D506D7C3F05832F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4832
- - 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=EA345A95F27324603689592D99E4E68C --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2860
- - 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=7648BD5BFFCB9B9925BDEAB4F7500EB4 --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=7648BD5BFFCB9B9925BDEAB4F7500EB4 --renderer-client-id=5 --mojo-platform-channel-handle=1868 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4900
- - 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=63DE16B040975C0F497636C26E0E9E9D --mojo-platform-channel-handle=1820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1036
- - 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=279B729F6E787CC570210595198BD44C --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:812

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:372

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
6d0d7b09b86cb158e121e5e1e401310b

SHA1
c4fbb8281869117b151bfefa5678332fe5ee56a6

SHA256
543de13f5f2d0b19b8547cd09a53e09c997b2d7e49e11119a36d844725db3d94

SHA512
f59041de79ace5b7124341c09c970b0b3dc042cc84099d439cc6089b169316e610c08b7aa87e65b949de692dd1a9b550062f0aad56150cf1d445efd15e9f98d3

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