ab122c292b7e68db1d812cc6920bb259da5c9b521082416f68eb8a9a894b06f4

Analysis

max time kernel
93s
max time network
201s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
22/02/2024, 08:08

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General

Target

S MUD THERAPY.pdf
Size

2.1MB
MD5

76d481a2986e818c08dc6976f3bdd62d
SHA1

b7d4a0b9226826d4bb5ffce05824c1dac33508a7
SHA256

ab122c292b7e68db1d812cc6920bb259da5c9b521082416f68eb8a9a894b06f4
SHA512

9f7b43241ee8135b9e8077bf2fd258e4fad6974f8d9d525e36a5288b31cb12dbe90c814b12f8ab361bcc5a90ae91cee50ba7e3e5153ae9dd0316e38e1689386f
SSDEEP

49152:2uDz8EjV4Qcy8Ja4U8AHBgarzTRqZtNmxSSO6Y0IHkcLul:2GV49PjAh1rzUzdIIEcql

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-1-5-21-3316742141-2240921845-2885234760-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4536	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 2928	4536	AcroRd32.exe	91
PID 4536 wrote to memory of 2928	4536	AcroRd32.exe	91
PID 4536 wrote to memory of 2928	4536	AcroRd32.exe	91
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 4644	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 3700	2928	RdrCEF.exe	93

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\S MUD THERAPY.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:4536
- 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:2928
- - 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=63D62DC2A5E84738D6B9898DCD96B106 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4644
- - 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=4084FBD764A8CA43FBEC4EED7D921AA2 --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=4084FBD764A8CA43FBEC4EED7D921AA2 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    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=74747D662CE2F6DDACE0759B16F16545 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2912
- - 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=F95F81EE0E4C5BF3DC73CEF84EAE7A04 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3220
- - 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=2E0B10076CC562DE1D408ACB149BE5E9 --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=2E0B10076CC562DE1D408ACB149BE5E9 --renderer-client-id=6 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2972
- - 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=A09DB48F0CFC82903CF9C1BC8D571700 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1776

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5056

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
dcfefe67df9611c85e1f11b696d73e97

SHA1
9e9e7ae3232f6d5affccc87185d56881ed3b3dd5

SHA256
d4d51cf8184968429bc9d07755d4584abe3a943fd14c428a88a920eb993fe156

SHA512
df52be737691692a1e2d723cedd69f5772218850cd2d0806633153e487c44b716c5c0b6a5b382ca79a8d5a9a78dbbdebc44bc71acebf748d96c7bcc4ed59dfed

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