43664c3e86807998cd0c002d183a56041808c1dc49891516c76faffe8ab39367

Analysis

max time kernel
141s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2024, 13:16

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General

Target

899baf7981cc854ff3a51e6c81df9f59.pdf
Size

101KB
MD5

899baf7981cc854ff3a51e6c81df9f59
SHA1

95ce2ecea6f66d0849b6e3f1f75b0b152e89aa10
SHA256

43664c3e86807998cd0c002d183a56041808c1dc49891516c76faffe8ab39367
SHA512

b3cdb9d479b670d242ca8f9c5d4f3068391972ae56118349cc17820fda575549572663d0b43207ac8a89f0b26883e77589faa7a30cbe4a9efdb3f8c671ff5dd0
SSDEEP

3072:FlAdV43GDD56k1VEbQ7YlxfeSWqYMgFivG/:FlA743w56m7IG1

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2132	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 1936	2132	AcroRd32.exe	88
PID 2132 wrote to memory of 1936	2132	AcroRd32.exe	88
PID 2132 wrote to memory of 1936	2132	AcroRd32.exe	88
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 5088	1936	RdrCEF.exe	89
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90
PID 1936 wrote to memory of 4464	1936	RdrCEF.exe	90

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\899baf7981cc854ff3a51e6c81df9f59.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:2132
- 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:1936
- - 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=00B1EB186CE242D7770ABBA2680EF4BD --mojo-platform-channel-handle=1692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5088
- - 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=53E82AB2E701522A9C2CFC12FD6ECA9C --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=53E82AB2E701522A9C2CFC12FD6ECA9C --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4464
- - 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=B5FD763ACBE4736D1F9A63D6A7925B23 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1296
- - 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=B65721EE60FAC1FF1FF22830C6D71DEC --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4980
- - 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=E59B22840C98C03BD56DDFDB43870F9B --mojo-platform-channel-handle=2256 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:220
- - 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=28C8CEE1B8D55F2EBFE6E10A3E0B3442 --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=28C8CEE1B8D55F2EBFE6E10A3E0B3442 --renderer-client-id=7 --mojo-platform-channel-handle=2360 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:944

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2540

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

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Downloads

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

Filesize
64KB

MD5
fb58c3e0c092bcb1f34476093f75942a

SHA1
5cd589db3948f7677d8ef8dd0be2a94455506d0b

SHA256
81fe9666490f53dcbf9538b8c537b182bb623a5f1f77dab3b8d511778ed3dbfe

SHA512
0ffbf32ed76804fcecc391862ada14d25a03bbfebf8ed4346fd2df9c0b4ca375a4f0f9a41ef3bbf7b5f8f231264da1a1c8f4950acaf60c62871a877d8757e513

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/2132-26-0x0000000009880000-0x00000000098D0000-memory.dmp

Filesize
320KB

Download