0bf368c4c7f967fbc1768f93c78bdaff5dc0826fb9cd9c9498acf32de47bda79

Analysis

max time kernel
172s
max time network
188s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 08:04

Sharing

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General

Target

10cd8249498c3894acdd9c9bbdd59ff6.pdf
Size

32KB
MD5

10cd8249498c3894acdd9c9bbdd59ff6
SHA1

5ceea539598531e387e3e13643ff28fe38b6692c
SHA256

0bf368c4c7f967fbc1768f93c78bdaff5dc0826fb9cd9c9498acf32de47bda79
SHA512

f0a270a6c1127192b0d5a03b90472641379946a0a8b9333bb5bc897b0d0a08b65eb755a049781878af7a214aec03d5ed534693dc7be7489de24bc489c1dfc481
SSDEEP

192:WysNHKsgEgEjklvCGjAmmA6dji4ANQF0vp6JXbptl25z1PHrIYAMz4E+:WysN0VOY3XAMz4E+

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1860	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe
1860	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 1592	1860	AcroRd32.exe	98
PID 1860 wrote to memory of 1592	1860	AcroRd32.exe	98
PID 1860 wrote to memory of 1592	1860	AcroRd32.exe	98
PID 1860 wrote to memory of 3240	1860	AcroRd32.exe	100
PID 1860 wrote to memory of 3240	1860	AcroRd32.exe	100
PID 1860 wrote to memory of 3240	1860	AcroRd32.exe	100
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 1396	1592	RdrCEF.exe	101
PID 1592 wrote to memory of 3748	1592	RdrCEF.exe	102
PID 1592 wrote to memory of 3748	1592	RdrCEF.exe	102
PID 1592 wrote to memory of 3748	1592	RdrCEF.exe	102
PID 1592 wrote to memory of 3748	1592	RdrCEF.exe	102
PID 1592 wrote to memory of 3748	1592	RdrCEF.exe	102
PID 1592 wrote to memory of 3748	1592	RdrCEF.exe	102
PID 1592 wrote to memory of 3748	1592	RdrCEF.exe	102
PID 1592 wrote to memory of 3748	1592	RdrCEF.exe	102
PID 1592 wrote to memory of 3748	1592	RdrCEF.exe	102
PID 1592 wrote to memory of 3748	1592	RdrCEF.exe	102
PID 1592 wrote to memory of 3748	1592	RdrCEF.exe	102
PID 1592 wrote to memory of 3748	1592	RdrCEF.exe	102
PID 1592 wrote to memory of 3748	1592	RdrCEF.exe	102
PID 1592 wrote to memory of 3748	1592	RdrCEF.exe	102
PID 1592 wrote to memory of 3748	1592	RdrCEF.exe	102

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\10cd8249498c3894acdd9c9bbdd59ff6.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:1860
- 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:1592
- - 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=F7329DA51356143B62424E5FC08DE9C1 --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=F7329DA51356143B62424E5FC08DE9C1 --renderer-client-id=2 --mojo-platform-channel-handle=1696 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1396
- - 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=B796B4335666B22B5B9DCEF2CC0575B2 --mojo-platform-channel-handle=2060 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3748
- - 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=CD053D670AEC58D7FBC9D0279A78B42B --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=CD053D670AEC58D7FBC9D0279A78B42B --renderer-client-id=4 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2408
- - 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=6CB5D23E3BB01B14DE357933A56659AF --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4772
- - 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=C18C5B96F11DDFE6AE6C244BF339CFC1 --mojo-platform-channel-handle=2104 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4268
- - 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=557691066E3D205943E7421DB16956D7 --mojo-platform-channel-handle=1584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:228
- 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:3240

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
37d5c4862d3baa9470a920df0ce3e38b

SHA1
a8af71fac7c82e19722831129ebab5680987a956

SHA256
3145c4abd1b8ad92b838661c24c1878c591b0fdab0e47f6b41dc2c1e1a1e8bdb

SHA512
5fea4af4978f9cb5b76ef3cdb54cbe177e947e858dbdc0c4a1edb65fe89c2a0f868c6d143e95a7118cdc354140b0dc302d57a07efbf52f70030af8f8f43acf12

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit