de95e99034ff4a81436393c353bbc499ffd983465f742a14f5dfa50d32eafc2d

Analysis

max time kernel
141s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 11:25

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General

Target

139a2f14a54d3f2c434136a68fac1ff3.pdf
Size

48KB
MD5

139a2f14a54d3f2c434136a68fac1ff3
SHA1

1e9f124fe05e4a22f9c9c66059bb618e2dba588f
SHA256

de95e99034ff4a81436393c353bbc499ffd983465f742a14f5dfa50d32eafc2d
SHA512

2d1ea36c289d793855f94e5b8f034a337852ad36570bfd72f6576bdadfe98dc264f0c09023e095c746e97188a84c22910c6b772af5b915d889ae4b91f262ef47
SSDEEP

768:a3NEggDWGcI+6PdsvGy9Yi+zKnvuK12Vk+6Sy7vd3awK7bk0fDti8E5K:GEsCdsv7+zKvJ12WvddK79fDI8E5K

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2860	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe
2860	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 4656	2860	AcroRd32.exe	92
PID 2860 wrote to memory of 4656	2860	AcroRd32.exe	92
PID 2860 wrote to memory of 4656	2860	AcroRd32.exe	92
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 4000	4656	RdrCEF.exe	93
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	RdrCEF.exe	94
PID 4656 wrote to memory of 3452	4656	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\139a2f14a54d3f2c434136a68fac1ff3.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:2860
- 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:4656
- - 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=40B32C81DC6A6A27A12645217EBF177D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4000
- - 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=E54FC3CF1F288A205A1B04E3C5D2068D --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=E54FC3CF1F288A205A1B04E3C5D2068D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3452
- - 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=A981CBCB044C732002D0A95E60FE76EE --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3856
- - 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=B9F98EA1E0DEF42B703EFEB4BBC45C69 --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=B9F98EA1E0DEF42B703EFEB4BBC45C69 --renderer-client-id=5 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3200
- - 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=2394E397C344FB073C6274744D589056 --mojo-platform-channel-handle=2788 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4092
- - 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=5DE0DA1D79FE16C007468BA6C67131B6 --mojo-platform-channel-handle=2792 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2452

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2652

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
d7edb63a151c4760b70d242c580b2b3f

SHA1
f7f55bbe17f2837ab6d986952a6c7d95d022962e

SHA256
7363b301fb3f6b6efc738bb509750176f1b999a466c30426c5a4878bc2dee8bb

SHA512
0906adde8e36c298ac73e321816288cb56a096255fbe719ba712c374f1574c8276f79d5553d7a7a56278e337f2a94bc67be1149aacda5909b3e3b67b889a0bfd

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