ce22713df999a801261be1d972ef70a7638efb9b35b67ff3eadabe5fb8c307b4

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2024, 11:56

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General

Target

5b2e11d28c66ac07719f52232cd6afb6.pdf
Size

44KB
MD5

5b2e11d28c66ac07719f52232cd6afb6
SHA1

50a7e7ab81ae10db9e28623b28b10b2ebdcb299c
SHA256

ce22713df999a801261be1d972ef70a7638efb9b35b67ff3eadabe5fb8c307b4
SHA512

17f1f21140d37a29f33cb8dc6615560a2dece3f8916ad9424441cd22fac938cb452679f15e151bc5bb5e330d1d44cfacb74d5152ee7eb245694c626e10f7f29c
SSDEEP

768:VxcWAhf6BiCWPp0lP6MlJXBpi6iO7f4PNe5XkTUUsqlnMD2eb:VxkB6Qmln3pimj4dUUjlnSpb

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4544	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 1248	4544	AcroRd32.exe	94
PID 4544 wrote to memory of 1248	4544	AcroRd32.exe	94
PID 4544 wrote to memory of 1248	4544	AcroRd32.exe	94
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 2700	1248	RdrCEF.exe	97
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	RdrCEF.exe	98
PID 1248 wrote to memory of 3920	1248	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\5b2e11d28c66ac07719f52232cd6afb6.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:4544
- 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:1248
- - 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=E4095AEFC996663111A44FFBDAF5DC76 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2700
- - 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=49BFE9F7DDFFC02CAA0D32A6442CFBE2 --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=49BFE9F7DDFFC02CAA0D32A6442CFBE2 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3920
- - 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=E78C62D28E6BD9F282039BDD852F1086 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5756
- - 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=5D397976B55CDDD59B747FC4005D740E --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1192
- - 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=9C9A90C6AE4E34A2F233122D2FB83F09 --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=9C9A90C6AE4E34A2F233122D2FB83F09 --renderer-client-id=6 --mojo-platform-channel-handle=2472 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1672
- - 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=5D0E0F732FD1BF406CBDD92EEBCFD602 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2360

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3956

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
55KB

MD5
068d44ab903533239b37d2ab2a95fdd8

SHA1
ceaa98e197cec5361209905184df85e84047ef75

SHA256
cb44253100825dccb34885f19985fa6b75ef40b2746533c2fc86b16198fd272f

SHA512
c7de4a169f2b64bde107674db37f81e44ea85c67cbbaf5fdfddedd2c47ca767fc9a3d758d927eb2966823826f631faf1d14ca09ffc1a5d0db34e9d08a64425ed

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