a84a5de28afeca6923706949364a24e04c83e002b9abc62758b6410ac4d9bbe1

Analysis

max time kernel
61s
max time network
36s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19/02/2024, 12:23

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General

Target

iNVOICE 1008574.pdf
Size

443KB
MD5

8633468dff05800b12755a4ecfe06212
SHA1

8b1ebd64d9d7db74d23ec30978d9d60196256d90
SHA256

a84a5de28afeca6923706949364a24e04c83e002b9abc62758b6410ac4d9bbe1
SHA512

cb1de693516b94ed18d214d4e6dd51d607bca26213970ce735c83f5c17e816b9e26c46debaa07b76376c4c019c9af59457fa0e7707a41179ff1031618e6bf2e1
SSDEEP

12288:xepo8VY5MruY2vQtQOq4n/9/NsVvjtNYofv7SXd1QeS:spo0TrIvQh/tuVLL2bpS

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4432	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 1976	4432	AcroRd32.exe	84
PID 4432 wrote to memory of 1976	4432	AcroRd32.exe	84
PID 4432 wrote to memory of 1976	4432	AcroRd32.exe	84
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 4980	1976	RdrCEF.exe	85
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	RdrCEF.exe	86
PID 1976 wrote to memory of 244	1976	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\iNVOICE 1008574.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:4432
- 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:1976
- - 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=47D01A4D1F3459A1A422E7FE5B083396 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4980
- - 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=73E17F931A265079040BB6BA8078EBA0 --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=73E17F931A265079040BB6BA8078EBA0 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:244
- - 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=1C6B38EFF5159BA32B36EB055CDEC80E --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2440
- - 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=1B28CA91144B71416369B92346F934FF --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1492
- - 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=E75A982E4FBC16B6F27C89BCD35BD44A --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2672
- - 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=70073722CC3B6B1063446F0385E6ABA5 --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=70073722CC3B6B1063446F0385E6ABA5 --renderer-client-id=7 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4960

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4188

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
079f80bb3c0542e6b31e67c08f6a39b3

SHA1
66234ddd2d08abdac223e8b87de516a3333d07f9

SHA256
f515704cb595c514c540e04ad1da36705a0ceb2a984ef586795f0b119247e045

SHA512
ffe4fcdc6e09f6624e5bc46bd0018bb16158e478e0779ffccb4f48c90bfced08f404777655e45743152383c1a70248484bbbf30e28d4e8a49997f95c2207d3fa

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