e7b7a4138738b0518839a66dd10afa4930c5873f7b9f4b15c704c83dcc4acdfb

Analysis

max time kernel
143s
max time network
156s
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, 06:48

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General

Target

2c32f8bf4a7aaefcfc98e3807d3a4259.pdf
Size

85KB
MD5

2c32f8bf4a7aaefcfc98e3807d3a4259
SHA1

cdeecec17be306fe5d072dee8626402231529ca8
SHA256

e7b7a4138738b0518839a66dd10afa4930c5873f7b9f4b15c704c83dcc4acdfb
SHA512

7e2469f1ab33f7c1dbe9e93085b9ddbf18f40de572c5e5841560fe7cd40f5cb232dba24613e267a6660ea4dd89def7588b02a96ae948f5f6a80964e32b82e0ca
SSDEEP

1536:y5dlJvSVXCTBxmLHdKLJY/ShznFhoR/b5WDYiGkXWapOtQ6ohROw:cdlJvSVS88L5h5hkTfO4tQ6oh/

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2132	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe
2132	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2288	2132	AcroRd32.exe	91
PID 2132 wrote to memory of 2288	2132	AcroRd32.exe	91
PID 2132 wrote to memory of 2288	2132	AcroRd32.exe	91
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 4504	2288	RdrCEF.exe	96
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98
PID 2288 wrote to memory of 1564	2288	RdrCEF.exe	98

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\2c32f8bf4a7aaefcfc98e3807d3a4259.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:2132
- 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:2288
- - 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=0142BEC417EFF34CC27D3706DD8415B4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4504
- - 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=A95ABEA2D8D142B45007F26A76A7C8D6 --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=A95ABEA2D8D142B45007F26A76A7C8D6 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1564
- - 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=B1639EF7014BA9AEADBFEF1FE1E1142A --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4776
- - 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=1DF28B759123D8A66BB73B28366CAD8C --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=1DF28B759123D8A66BB73B28366CAD8C --renderer-client-id=5 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:856
- - 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=8F7D30F0761AF12FCFD70409B760EDB3 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1280
- - 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=724989EF55E3F74956464D6D65DD4364 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:620

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
1e939fc7ac9aa46911728273e32c226c

SHA1
e5421ab51bbccb3c77fa3292b53ffbdc6c54c63a

SHA256
d76e859c880d8eec79903fa4f67136c53781f10c791af2cc0911407c52868e66

SHA512
7666efa36df00625f0affbc595517dc2e0e82653392f79eae4c0c11b032f14644dfddc017df51c12a46c60055f3991a8bf5e4401a55afa7eb11217e9c56d3903

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