6e629e44804490be1d28acf3ab49b5533a9c0c4d0f82cad160b70e6b77820fa5

Analysis

max time kernel
101s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19-07-2024 01:47

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General

Target

39c2e3720fd1794d2117a8209e517840N.pdf
Size

154KB
MD5

39c2e3720fd1794d2117a8209e517840
SHA1

7adc5cef14e26619c7a8f50866e2b84dc3837bea
SHA256

6e629e44804490be1d28acf3ab49b5533a9c0c4d0f82cad160b70e6b77820fa5
SHA512

79e25f1853fdbaa2a84b915bf6ad5853720b7c28f6df7828c3fb51966db4ee1e6ae88d7a49633c57941dbc2196f91849b88769df0644cc69b135eec8b805a665
SSDEEP

3072:vmJi56CLq0bahjnvBmH7mJjZmfRkQ+oY8xgAqXvsZxSoLL9iLbK:vmJXsKjnvB+mif+noY8xgp0x5

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-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2360	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe
2360	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 3208	2360	AcroRd32.exe	91
PID 2360 wrote to memory of 3208	2360	AcroRd32.exe	91
PID 2360 wrote to memory of 3208	2360	AcroRd32.exe	91
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 3724	3208	RdrCEF.exe	92
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	RdrCEF.exe	93
PID 3208 wrote to memory of 2956	3208	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\39c2e3720fd1794d2117a8209e517840N.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:2360
- 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:3208
- - 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=5B4D840ADB70D0EDBB6B063078DAF500 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3724
- - 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=84C07B3CF91BA23A87611637552AD532 --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=84C07B3CF91BA23A87611637552AD532 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2956
- - 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=1BC9B589FA134A8AF289DBFD89811AAC --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4324
- - 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=AF83DB097621114C09BE58053A652251 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4304
- - 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=59F848B2975B8449C9C6716D06721FE7 --mojo-platform-channel-handle=2520 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=189955FBE988022EF1C8DB411993B3B7 --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=189955FBE988022EF1C8DB411993B3B7 --renderer-client-id=7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4876

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4356

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
ce7d8bb860ae1e7a98982e761ccc6243

SHA1
b5c1b50ab224dcc9b98bca6e6b0a4be66e1037d9

SHA256
275d1bf4b0d3399bc16dfab9cf23cc9bbc2637e8185db27359896d6b6dd1c326

SHA512
2337f86db679e5d9fd737b54117c5b05bfb0ba738f7187f9de2e25a90427aa320efe7b44545956e5d08e64684c6b741168a123a6c831a0ef5e6453a5699d68af

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