0704651274a700e3a308f9137baf7cfaec4b8e1015177750266a2f5c5e35ebd9

Analysis

max time kernel
159s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 03:53

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General

Target

270ad1b1f79c08e788bd85a3339f20bb.pdf
Size

74KB
MD5

270ad1b1f79c08e788bd85a3339f20bb
SHA1

b586144697a9590ff12f82883eb03b9b988319a5
SHA256

0704651274a700e3a308f9137baf7cfaec4b8e1015177750266a2f5c5e35ebd9
SHA512

3b766c255066a22d0166bfe4a6c92457f7f501394e3a4578684b6213f350d1b9d3811f938a78bb03fcb8ab717a270ed2b57505623c2b62526a51d4d9d272c521
SSDEEP

1536:Cs72Z/zI3fDCS7W/5f6a25kV1rTA+DiGD2us8H983eexG7Ix0ERVYJEO:kZc2S7UfNOczM8H983eexaA0ERVYj

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3532	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe
3532	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3532 wrote to memory of 4260	3532	AcroRd32.exe	95
PID 3532 wrote to memory of 4260	3532	AcroRd32.exe	95
PID 3532 wrote to memory of 4260	3532	AcroRd32.exe	95
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 976	4260	RdrCEF.exe	99
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100
PID 4260 wrote to memory of 3352	4260	RdrCEF.exe	100

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\270ad1b1f79c08e788bd85a3339f20bb.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:3532
- 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:4260
- - 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=F092C57156CA98F53CB33947044C475E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:976
- - 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=72D97C0625FBB7FC72A326648C968088 --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=72D97C0625FBB7FC72A326648C968088 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3352
- - 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=EC3D0A01119CCBB874543718108B9B08 --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=EC3D0A01119CCBB874543718108B9B08 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3836
- - 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=8A2720EAB64503D17597B3058253AA63 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4280
- - 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=E70EAC45D9816A1BCEC84FEEE8E5C331 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1580
- - 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=33B614968EEB37887B6F4D585692F424 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1652

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
bdfcf8e67639e2715d53534fe5ff29ae

SHA1
c7e8fdd3c856b5ceda2a55f63583ff04bfae9d0c

SHA256
e2f347ac60558630cbb4d88841a9fbad4488688a3984c490ba996294e9796945

SHA512
43d160260198e99630c2127a4b0b5237dff337b7572caed6bbcc22f51d8a187d2e242851abe5003a426cbd3774b73a7bd698e5af5af6a42108b02e2b45a2620f

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