485de38f772f61916a533e40a62399c7d43b36fc9ac8546f06a74a41102bc2a3

Analysis

max time kernel
144s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2024 08:29

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General

Target

7f5daca70627087e45410f82792eeaba.pdf
Size

89KB
MD5

7f5daca70627087e45410f82792eeaba
SHA1

e0b33906472999754ca35ef3e0995126371f8cf9
SHA256

485de38f772f61916a533e40a62399c7d43b36fc9ac8546f06a74a41102bc2a3
SHA512

524f1563efa4cac532873dab53ac40bbb1981aaec559ae36840df547dac558b21cf3a3ca2cabd912296e2f2bbb8667ed780b42fc8926eae729742c21655d0f19
SSDEEP

1536:pmpeH+ULfr7iYjjSp6dMNEVCbDArVF3WSb9obLCuPkqRKdpN1VNkWypOlL+4rkE6:vr6sjSKMNEVgDArVFfb9Cuykcw1PVlLk

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
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4084	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4084 wrote to memory of 4008	4084	AcroRd32.exe	93
PID 4084 wrote to memory of 4008	4084	AcroRd32.exe	93
PID 4084 wrote to memory of 4008	4084	AcroRd32.exe	93
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5160	4008	RdrCEF.exe	94
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	RdrCEF.exe	95
PID 4008 wrote to memory of 5680	4008	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\7f5daca70627087e45410f82792eeaba.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:4084
- 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:4008
- - 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=A1DA5687EB0441D6DE8DF88957281472 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5160
- - 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=533EDF0A109A80F9023E60A1E6DABDAE --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=533EDF0A109A80F9023E60A1E6DABDAE --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5680
- - 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=1F2C16D9773CF926D1F7931618251B24 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5272
- - 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=599A6F0D5D8A59202052B1ACFCA94D35 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:6040
- - 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=6FA13701CAF09C606292F2C5099E1C0F --mojo-platform-channel-handle=2200 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1404
- - 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=69A794121A2380FA5DA07EE18D3166C2 --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=69A794121A2380FA5DA07EE18D3166C2 --renderer-client-id=7 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1324

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:6068

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
4ad8afe09290c85a367d36e2e1152603

SHA1
f498af492a2d627fafe382e33ae2b4a640b71a4d

SHA256
e2f24ccdc3aaf58cc11a82fc21510ea0cfbd389a72d8fed7c7dc9df1329e2f2e

SHA512
d9d9b1ceeb1ffbde4eff21166486291671e6fc130228cddedb4fa17e9e793c94ec9c6ecc3fc779d59d4e188d42c6cd883073a03feef53c507eb4d41dc8eb0064

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