7e6a3733c717c1e7a28b428082bddf1603cad0fea2ae80cb6feaa896fc237777

Analysis

max time kernel
142s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 17:11

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General

Target

7f5b8f9d4e817403dd4069eb60372d09.pdf
Size

116KB
MD5

7f5b8f9d4e817403dd4069eb60372d09
SHA1

bdf8b7842c409a1ff96416aff9fd488eb08bb5bb
SHA256

7e6a3733c717c1e7a28b428082bddf1603cad0fea2ae80cb6feaa896fc237777
SHA512

67cf2f9ea8c9aecb4f4f397ea960909ddfd640ca87a53f25cf97957b8ec3305f8f5692f974faefaacd201901790ea00b405f963dd732efbd5c54b68fb26d80b0
SSDEEP

3072:UrXO9d6mVUjVfLXDOs52v0+Ugd1U6MwrhUZS:YO9d6YURLXDOsyLu4L

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
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 924	4804	AcroRd32.exe	92
PID 4804 wrote to memory of 924	4804	AcroRd32.exe	92
PID 4804 wrote to memory of 924	4804	AcroRd32.exe	92
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 1752	924	RdrCEF.exe	93
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94
PID 924 wrote to memory of 3592	924	RdrCEF.exe	94

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\7f5b8f9d4e817403dd4069eb60372d09.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:4804
- 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:924
- - 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=463CC24AD1EAC6DC8D758FAE10BD27AC --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1752
- - 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=BBC64337927B5086E2F418BD37109F99 --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=BBC64337927B5086E2F418BD37109F99 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3592
- - 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=E5700C58A7A92BE1D1F4569BE28956CB --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3700
- - 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=7639403A87D70B92D821C1CB092A8002 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1916
- - 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=59A875A28DAAD3662EC26F621A966008 --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=59A875A28DAAD3662EC26F621A966008 --renderer-client-id=6 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1728
- - 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=668FE8D5393E8DD4DF30A8D5EAA937ED --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4612

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4828

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
30309c5de6d1c48928381e1289c7565b

SHA1
c63c06592879d8776900c4282a8d91b32f1a47bc

SHA256
7d0ee8dec3ead644d270b6923bb3ceff9b46e2f98aa6d5d5959e5e6a876d808f

SHA512
8dc8cc88e36b4224b3fe3cb5d5971fca283fa49ea417e26305f3eefafde76dde3ebb7ea6f1e25684478988bf6ec37540fbf267262736955787a6843fb4b5043e

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit