c26e3ff540602eaf5f0a67f6dad95971b83c460403840c4e66c18f5ec635b1b4

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 04:40

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General

Target

54f7be107d2e6bf99446366cb4e77fc0.pdf
Size

32KB
MD5

54f7be107d2e6bf99446366cb4e77fc0
SHA1

2958bf65176ff1538e35e78272eaf64187fc95ab
SHA256

c26e3ff540602eaf5f0a67f6dad95971b83c460403840c4e66c18f5ec635b1b4
SHA512

4da9ce61e8f2d9417e38384d78133ca65e951b15653be940cda665e18d171932107eb787532056fa7dc6194a3766586cff4626ff2b52058c2c3212e80cb258c5
SSDEEP

192:WysNlDJJ3bT05kd6mmk6dji4ANQF0vp6JXbptl25z1PHrIQ4Mz4E+:WysN98I4Mz4E+

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
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3568	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe
3568	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3568 wrote to memory of 1516	3568	AcroRd32.exe	93
PID 3568 wrote to memory of 1516	3568	AcroRd32.exe	93
PID 3568 wrote to memory of 1516	3568	AcroRd32.exe	93
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4244	1516	RdrCEF.exe	94
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95
PID 1516 wrote to memory of 4916	1516	RdrCEF.exe	95

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\54f7be107d2e6bf99446366cb4e77fc0.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:3568
- 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:1516
- - 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=196B03E892EF5B085846A9FC62088820 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4244
- - 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=B0C7D03DE0A1F85FC46657257E928EBA --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=B0C7D03DE0A1F85FC46657257E928EBA --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4916
- - 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=5C6F987761328ECD1CDB432E18044EE3 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3760
- - 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=303EE08B4F7028061ADA8358FCB70C0F --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=303EE08B4F7028061ADA8358FCB70C0F --renderer-client-id=5 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4880
- - 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=9F2A5DACC99490416104AF90B1913CE3 --mojo-platform-channel-handle=2768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4016
- - 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=ED398E1BAD094473F7A9297730AB0E19 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:440

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
58954ca25166f7fe98e50ea6d49805fa

SHA1
09507018a1a03529e1067bace16e973f0fee0da3

SHA256
cdfa7fb2716453ba737a5ebe62b081d6d261c1c379dab497267ca476a9329fcb

SHA512
6662c93b04eda7ec6b0c0ab995274c61f8f080189048a917050ef6495d37d3bee505248c877623ac32c2dd312708a8f9cd84d9868be003b65f277956a6e245dc

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