ab03889644b0fd380b75ba3a0b4545324667d0bd0c50493b355ff123d487ee3f

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 17:13

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General

Target

fc63bbafffad0e5f1866d67f53c540f5.pdf
Size

53KB
MD5

fc63bbafffad0e5f1866d67f53c540f5
SHA1

4dfba1188369326aaaa12e4aaf42ec8c62e4bb19
SHA256

ab03889644b0fd380b75ba3a0b4545324667d0bd0c50493b355ff123d487ee3f
SHA512

4aa3d98334a9860ef961e9f307e47a0ba61a364ea0f5533158c59a47fdd3b3ac6e4abb8f599ed01928c57a5011e752592dde8e5497fd7a36fdb4e06bcf41cd25
SSDEEP

768:vlcMnZh4QeRcHjIiYoy4njzLGrqzf6DUX7z+Xg7UVjeNkXZSzQ5kXTWiK:vqMZh474jIQR/LGrEfNX7VUgNp85KKiK

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
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1844	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1844 wrote to memory of 1564	1844	AcroRd32.exe	93
PID 1844 wrote to memory of 1564	1844	AcroRd32.exe	93
PID 1844 wrote to memory of 1564	1844	AcroRd32.exe	93
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 1124	1564	RdrCEF.exe	94
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	RdrCEF.exe	95
PID 1564 wrote to memory of 452	1564	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\fc63bbafffad0e5f1866d67f53c540f5.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:1844
- 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:1564
- - 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=F9FCF6852222E03FAD596E21EAD660E8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=8A22C5E3DF3F4178693C801FC59ACCDE --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=8A22C5E3DF3F4178693C801FC59ACCDE --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:452
- - 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=515FB4456374AAB3BEC51AF267F9F2EC --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1408
- - 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=D8E7CEEF51A26E024B6C2544C247867B --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4416
- - 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=992FCD282E410DCC5342C9F05C595FB4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3940
- - 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=796D6AC44DD180F335763409F2A4E99F --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=796D6AC44DD180F335763409F2A4E99F --renderer-client-id=7 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4852

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3636

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
949371eb2ecb718f1a87fc7070a190c9

SHA1
15863dd353db9f911d6bb721ae131032769c07e6

SHA256
9f4c5eca9bda48d2468cbd88b430d197cd1c637345149ad171219b8a93b2cb56

SHA512
b2ef5d55b5592e76d0f6ed51077750a917c0a029e6e1c9d1485b823e630e61aca72b639b85e8d46dba12433e64d70aff75dd43ee5fa9758eea0e709113c1901b

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
memory/1844-26-0x0000000009D50000-0x0000000009DA0000-memory.dmp

Filesize
320KB

Download