eabb70c51391c2cc63571c189c320488cd622efb692aa49dbc3269585a08b284

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2024, 22:48

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General

Target

421cedb60a440f3ed7ccc1da00256cf1.pdf
Size

31KB
MD5

421cedb60a440f3ed7ccc1da00256cf1
SHA1

2d5f5d1aed800621df47203642e712cdb3e20d9a
SHA256

eabb70c51391c2cc63571c189c320488cd622efb692aa49dbc3269585a08b284
SHA512

e4d6fac12b8f288ba7512db9fd91dccb7c49f44ff1c9b15ecbea90dfd9ecd0eea66f56e083cb17b53d5c6816067c8b06524bcddf4872355ed656da4c0d4e8012
SSDEEP

768:4JSD9ea9rarP++aQTD3f0uLnLpOyINEqCY8oH91vC:4J7jrTDvDLxINXCY8MvC

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2328	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe
2328	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 4136	2328	AcroRd32.exe	93
PID 2328 wrote to memory of 4136	2328	AcroRd32.exe	93
PID 2328 wrote to memory of 4136	2328	AcroRd32.exe	93
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3756	4136	RdrCEF.exe	94
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95
PID 4136 wrote to memory of 3432	4136	RdrCEF.exe	95

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\421cedb60a440f3ed7ccc1da00256cf1.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:2328
- 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:4136
- - 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=91566B74008870D162EE38B762D07B91 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3756
- - 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=07A255CC8D0E3864FBC1AF61693C300B --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=07A255CC8D0E3864FBC1AF61693C300B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3432
- - 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=9C6A44782E49C6574A9712EAE9325479 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4640
- - 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=F8102BBAF1C31FBC7961729511757109 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:436
- - 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=DFF6100BDB73AF8CDEA08D757CA6B67B --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=DFF6100BDB73AF8CDEA08D757CA6B67B --renderer-client-id=6 --mojo-platform-channel-handle=2504 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5112
- - 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=BB543E26E202068A910996C53B939F1F --mojo-platform-channel-handle=2844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:468

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3212

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
189a89f60190cba446f6898c6f6e86f2

SHA1
c9774d7e5b625db3474a919e6a813dbcff4db677

SHA256
b7a9d5667a7cc31b9ed93c613f19e541bc055af07111385ec3f69fbee9774050

SHA512
e088807554e0dd4da22d8a216bb9c92d2ce9a2103e34c401d670eeeb2876cd936750e7cd8dc5e80c59707f20850c4e425ce1568b44a3fe6ebb3b14a14f8290b9

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