4e35bf8d9ae520212b94f89052486cb3ec82bda1905257196c266541a74c7519

Analysis

max time kernel
172s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 11:52

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General

Target

507c54103a4da366ab8b1b8ea2510d75.pdf
Size

141KB
MD5

507c54103a4da366ab8b1b8ea2510d75
SHA1

ce64c300a2b03c705ffc544f15a487e1f0386ab1
SHA256

4e35bf8d9ae520212b94f89052486cb3ec82bda1905257196c266541a74c7519
SHA512

02a764369ba1a095bad3479327f312b99234228dba9ac83d54e03e81fe15f92eaa8dfb828000e4661c589dfec27fd44a68a62db31c939b8be8c8c5a577b812c4
SSDEEP

3072:H2kIQgONqxFfwK0ikQdKnPPZsQzj/4mONr51yFrSR8Wph:H2kvgONqxiK0iTKPPZT//ZocK88

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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5088	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 4860	5088	AcroRd32.exe	97
PID 5088 wrote to memory of 4860	5088	AcroRd32.exe	97
PID 5088 wrote to memory of 4860	5088	AcroRd32.exe	97
PID 5088 wrote to memory of 4272	5088	AcroRd32.exe	99
PID 5088 wrote to memory of 4272	5088	AcroRd32.exe	99
PID 5088 wrote to memory of 4272	5088	AcroRd32.exe	99
PID 5088 wrote to memory of 4580	5088	AcroRd32.exe	100
PID 5088 wrote to memory of 4580	5088	AcroRd32.exe	100
PID 5088 wrote to memory of 4580	5088	AcroRd32.exe	100
PID 5088 wrote to memory of 1128	5088	AcroRd32.exe	101
PID 5088 wrote to memory of 1128	5088	AcroRd32.exe	101
PID 5088 wrote to memory of 1128	5088	AcroRd32.exe	101
PID 5088 wrote to memory of 3884	5088	AcroRd32.exe	102
PID 5088 wrote to memory of 3884	5088	AcroRd32.exe	102
PID 5088 wrote to memory of 3884	5088	AcroRd32.exe	102
PID 5088 wrote to memory of 2516	5088	AcroRd32.exe	105
PID 5088 wrote to memory of 2516	5088	AcroRd32.exe	105
PID 5088 wrote to memory of 2516	5088	AcroRd32.exe	105
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 3732	2516	RdrCEF.exe	110
PID 2516 wrote to memory of 4704	2516	RdrCEF.exe	111
PID 2516 wrote to memory of 4704	2516	RdrCEF.exe	111
PID 2516 wrote to memory of 4704	2516	RdrCEF.exe	111
PID 2516 wrote to memory of 4704	2516	RdrCEF.exe	111
PID 2516 wrote to memory of 4704	2516	RdrCEF.exe	111

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\507c54103a4da366ab8b1b8ea2510d75.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: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" --backgroundcolor=16514043
  2⤵
  PID:4860
- 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⤵
  PID:4272
- 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⤵
  PID:4580
- 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⤵
  PID:1128
- 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⤵
  PID:3884
- 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:2516
- - 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=DB8706C55FC0BCB2E178C402FC2B5E93 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3732
- - 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=5745710AD256949D07E6352CF57DBB0B --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=5745710AD256949D07E6352CF57DBB0B --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4704
- - 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=F8EF10B7940ACDCA63AE46DCDD4EAA85 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4860
- - 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=A1D961835976C99B669E69265E204328 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3464

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1240

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit