b84b0292aa9fb6cd6f2d587edf941cf9bd49f79e8e96c07ee52e42e9ab1d57dd

Analysis

max time kernel
150s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 11:23

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General

Target

b89ea7be62c901e47cd25713fe6956bd.pdf
Size

47KB
MD5

b89ea7be62c901e47cd25713fe6956bd
SHA1

ae2cc0149f310705f15c703028837c7c6fbc3050
SHA256

b84b0292aa9fb6cd6f2d587edf941cf9bd49f79e8e96c07ee52e42e9ab1d57dd
SHA512

53a75b990f810dadabc32baa8d372d4392dfa5b4d52b99d9ebea8246aa38bce1369321af24310ed6dc9b6e286337ddf7644bf12479506356c8bb1d88379d4251
SSDEEP

768:/I5UhYEr+24fiaK0zD0qz8TQgHa2MJ5UbW84P3Pv5y8BEz516I:AC6Er+2faJ0KG6r/UbWn5y8Wb6I

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1124	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe
1124	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 3784	1124	AcroRd32.exe	93
PID 1124 wrote to memory of 3784	1124	AcroRd32.exe	93
PID 1124 wrote to memory of 3784	1124	AcroRd32.exe	93
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 1696	3784	RdrCEF.exe	94
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	RdrCEF.exe	95
PID 3784 wrote to memory of 4036	3784	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\b89ea7be62c901e47cd25713fe6956bd.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:1124
- 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:3784
- - 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=64CBF0D779D28C5C3B52EC6125C2CF27 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1696
- - 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=2E938939A46640BCCFA484E53EAD6625 --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=2E938939A46640BCCFA484E53EAD6625 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4036
- - 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=2E7DC53C52ED94B379D74925C2497880 --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=2E7DC53C52ED94B379D74925C2497880 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    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" --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=5E5E96AD747B5D7B0FE500B7BC23AFC4 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3216
- - 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=AF5E7C458D8410EEAD10AC3270BD086B --mojo-platform-channel-handle=2796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2740
- - 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=C330A63BF7264130CB75CE45EA88A9C7 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3804

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
eb240767426ad08fc3435805826a06df

SHA1
0dc503d01cc2435d08be5f253510868a4e1c751b

SHA256
1fdd209c97637120b2b8f697b55fef0ca114ff27ef1dcb6fd621de6f2d108b23

SHA512
bc4a9838ce1441b7664411a5579b1f2c380aafe13336b8c68f3078314b3e6ed1684e1a444446bd4214935954295c1aad19a59237ecffccf7571bdcadd29385c7

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