12d1e2f1df544e75a8c89ca0085fe38618f4d04f93e2b03db64b2b25779fc9e9

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06-03-2024 21:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b840e4aae45f91f08371f7a93831e740.pdf
Size

43KB
MD5

b840e4aae45f91f08371f7a93831e740
SHA1

2ed6bb1795557fc14c75125340cbdef0b0b82735
SHA256

12d1e2f1df544e75a8c89ca0085fe38618f4d04f93e2b03db64b2b25779fc9e9
SHA512

37c17349fb2acd3f8b3b05e13b1bfc029e60d27b35bcfd7423605f0aa750a2c078e01a180aa73105216b024b60c6f7e567c44bedbcc407c51689e7840ad69cf7
SSDEEP

768:7qdGcO+WUMSiXawSEpg16RfNv+/louVP9VeBzwuR1kC/+Gu:edGJUcBv+/lPTeBzw4hu

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
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5032	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe
5032	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 1340	5032	AcroRd32.exe	92
PID 5032 wrote to memory of 1340	5032	AcroRd32.exe	92
PID 5032 wrote to memory of 1340	5032	AcroRd32.exe	92
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 1888	1340	RdrCEF.exe	93
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94
PID 1340 wrote to memory of 3480	1340	RdrCEF.exe	94

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\b840e4aae45f91f08371f7a93831e740.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:5032
- 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:1340
- - 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=B998AE1DB7D3DB17F2D2697A120A29BB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1888
- - 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=236A0F45096A2A66A48C3D9C41A267BB --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=236A0F45096A2A66A48C3D9C41A267BB --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3480
- - 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=B38F8BF30EF0761C9A31FD9316B4B44B --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1236
- - 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=1A001D67988986B52AA401AE8E271BF3 --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=1A001D67988986B52AA401AE8E271BF3 --renderer-client-id=5 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3736
- - 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=C5682E7CA202EA8771A2BF0EEFEA0B16 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1804
- - 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=5F207C555C42645A478C3D95AB722CB4 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3236

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2896

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
27a0a11de749097379b6e980147e57f5

SHA1
812fef527b713a180e725c73cec1c3441df80d36

SHA256
99cd51a34ec15b732da28c25eaf841e0aeaccaf0bf7e4232ef0cedcf5aeb1af9

SHA512
f237b08708a299597fb813da3b36e7e0324165c2eaa4b0e15c1303dce886b871885caacac1925ce266f88f42a9b1726cec37713f76f201590e19d3510b0c786c

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