f72bbefdbf1db135e9fecb90dbf265abfa5a92dd0ee958849d7818ee76e396dd

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2024, 16:41

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General

Target

5935e65da3da96ccb7388940169f78d7.pdf
Size

76KB
MD5

5935e65da3da96ccb7388940169f78d7
SHA1

e7d08355a57ebdbb9c94d402636f4a28747c58d0
SHA256

f72bbefdbf1db135e9fecb90dbf265abfa5a92dd0ee958849d7818ee76e396dd
SHA512

bb05ad9a2fd2c90ae4f611befa25452149cfc6dff5e6807e05da6194a30c1f6c98e7e76b19b9c0f5a21e908d84cdd1ae3fe3e22c6b2d66e55ab277c22323c1ca
SSDEEP

1536:5gRYaJqURpuZkM7chI8edkXyPHo1+V+Tz63OOmobDtKj0vJUc9wdjcF:efJXLuZp7cXejHo1+Vp3OZontfU+wa

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2144	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe
2144	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 4800	2144	AcroRd32.exe	91
PID 2144 wrote to memory of 4800	2144	AcroRd32.exe	91
PID 2144 wrote to memory of 4800	2144	AcroRd32.exe	91
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2984	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2608	4800	RdrCEF.exe	93

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\5935e65da3da96ccb7388940169f78d7.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:2144
- 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:4800
- - 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=7BF1C10E0023F6A3F0F7F5D74895BE18 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=F8F6E22F34B777D43D7838738DC44D73 --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=F8F6E22F34B777D43D7838738DC44D73 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2608
- - 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=697971073632C9EF91D97A7F173B9619 --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=697971073632C9EF91D97A7F173B9619 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2032
- - 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=F6B9E5376E8F8B9F43D15082376CEEF0 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1960
- - 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=984AFE52265D64470F21DF932EE89025 --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1876
- - 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=FEDE19A426D8537CE1DBAA15B4D7071B --mojo-platform-channel-handle=2640 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2864

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4624

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
01d94e70cb4f5547844a314a801abbe1

SHA1
9482b85ed08c37fb1b3347ee95cc8edc1683a0d8

SHA256
9f12ab7a4d479d44daf8a9e3b6ee2ab4e27ba51990274077acf931c71b1a4cc8

SHA512
c77c31b072ebb21211365f79e333b276a001e5cf7a3b90c5fe1f402f83e3e3a7e4ed8510a319fa022b3ce264a042b6929204b954edf58ab2984a01d323b5d146

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