f3bb3c9cf71a8ea2518d5c9ea20296bfcecd1ebb116539eee6f16fe76fddc93e

Analysis

max time kernel
90s
max time network
87s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
06/06/2023, 08:50

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General

Target

Tax Invoice - 305069855.pdf
Size

2.4MB
MD5

b34e0309dc9b298e0ae5430cd830dba8
SHA1

0b06b69be67b6b8d84b8b712c67c3bddb5732835
SHA256

f3bb3c9cf71a8ea2518d5c9ea20296bfcecd1ebb116539eee6f16fe76fddc93e
SHA512

9401dfa57060c9b568f0db1809d864997d2257647d8254d6b5adb0651c5ffe24e586a548c2c53cf2116e5aae0a541951ee0ddebfce89d925e1684fabebcaad84
SSDEEP

49152:aoIAtv4i4EbMXbnpEUbH2whsjQgiPRckMT5W5akV:Xii4EYXbpziwhyhBk9aU

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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 1944	2832	AcroRd32.exe	84
PID 2832 wrote to memory of 1944	2832	AcroRd32.exe	84
PID 2832 wrote to memory of 1944	2832	AcroRd32.exe	84
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 1576	1944	RdrCEF.exe	85
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86
PID 1944 wrote to memory of 64	1944	RdrCEF.exe	86

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\Tax Invoice - 305069855.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:2832
- 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:1944
- - 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=346BD380719EF26D89723037263C765A --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1576
- - 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=236502866D21B3B7C737D2B0408A8035 --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=2 --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=236502866D21B3B7C737D2B0408A8035 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:64
- - 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=673F7E45B4229B2CAAA44B6AEC4B832A --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3884
- - 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=E7937408BBD752551EC39B4E081548D3 --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=2 --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=E7937408BBD752551EC39B4E081548D3 --renderer-client-id=5 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3892
- - 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=C74873F2F5C1CC1EBD971AD6E7861101 --mojo-platform-channel-handle=2624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2056
- - 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=1C77F8CE4FC1999B2F8148830E60E733 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5052

Network

MITRE ATT&CK Enterprise v6

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
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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
425c2c401042922fec49975911364e62

SHA1
d6d8d6b39368d5eab42eaa6f1b8929b9ff455116

SHA256
38ac4f9135eef04819c9bf36b5dffe5637661faf1d6693b26b947532fb44684b

SHA512
0366f26b4aac1b14616983e2d87db7332e28ed6ff5b019b93940712aa5d36227f665473f2f79564e09cfe414731bfeb394a05b5abcefaf9e8a3b170c6b294281

Download Submit
memory/2832-282-0x0000000011D00000-0x0000000011E4D000-memory.dmp

Filesize
1.3MB

Download