fdfee5b8f1df4b6ed588db0e3fd1727e8720398002deab4001bdda24edc71cd0

Analysis

max time kernel
141s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2023 17:24

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General

Target

085d8780c9aee3b17ff98fddfb62df60.pdf
Size

70KB
MD5

085d8780c9aee3b17ff98fddfb62df60
SHA1

e2150f4591cdd268d9d23520757f68f8d3bd7288
SHA256

fdfee5b8f1df4b6ed588db0e3fd1727e8720398002deab4001bdda24edc71cd0
SHA512

e044c7887c6ae1017e138b8fa90ee9acd79b471c327209ad5c6ecc6d0a3ba02d056f448ba54c49ec542243a64b2606f4d313bc683efd7fca242eda28b08fc554
SSDEEP

1536:EZGQ0Chj+ztd/NXtQ+hN2jlNglxp78rnyhlQCnaRRIEuPqb:IGchj+zH/NXPhN2jlSiUa4TPc

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe
1284	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 1080	1284	AcroRd32.exe	90
PID 1284 wrote to memory of 1080	1284	AcroRd32.exe	90
PID 1284 wrote to memory of 1080	1284	AcroRd32.exe	90
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 5044	1080	RdrCEF.exe	91
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92
PID 1080 wrote to memory of 3152	1080	RdrCEF.exe	92

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\085d8780c9aee3b17ff98fddfb62df60.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1284
- 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:1080
- - 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=864F5C9C81B0870F1AA4E810F1CBE2C5 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5044
- - 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=706FD2B9544DB25DC6A777E50B1CE9C5 --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=706FD2B9544DB25DC6A777E50B1CE9C5 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3152
- - 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=C1BC0EC7274A33DD07D8271FF2BF0452 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3144
- - 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=D41479093B37E413381F35BE23835DB2 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1004
- - 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=65506D011BED15C904C46A7CFDB5D828 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3976

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
32926f0872350c52240e23a3e3cecba6

SHA1
0aabd44ce822f3c3c6df28b36d666ad40992e42b

SHA256
f434610614235295241b319b2110d7d4144684596e74a195a70432dc14e50f78

SHA512
270c5cfa6fd485ec368d82c9e5627c922483e2a5b72910d152ce8b5c9e3dda6615e1f915db732cbfc40c3014692fa7dc2cee220638847831442f42593adcf45b

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