b3718f89b1323a1400bdd74031344815b10def7dea27508df88ff06147ba8a04

Analysis

max time kernel
1192s
max time network
1173s
platform
windows11-21h2_x64
resource
win11-20231215-en
resource tags

arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
submitted
01/02/2024, 16:39

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General

Target

APOLLO MECHANICAL CONTRACTORS_172345_1_Drury_SupplierRemit.pdf
Size

48KB
MD5

2dc980e9f9b33a3998d3d4ae7e1b1119
SHA1

a328d1c55165a116d5bf1d08f509e20446eb664d
SHA256

2b8a082860f5dfe245b8bd8d08a8a92e421c258dec297df844af2694b827f6d5
SHA512

439bbe79761c419c54f1d400c93c8c372ca1ae9344834098d95c6b693c95209e4c4f6daec0dd64bbfd44d3cc3064e6112f80191146c337edd00b1cefe4a309b5
SSDEEP

1536:sJDD8LMdj/4pC+bgHWUgPuOzRnRSFctkmPW:jyj6nbvTPukRkc2AW

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-1-5-21-334598701-2770630493-3015612279-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4652	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe
4652	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4652 wrote to memory of 1840	4652	AcroRd32.exe	76
PID 4652 wrote to memory of 1840	4652	AcroRd32.exe	76
PID 4652 wrote to memory of 1840	4652	AcroRd32.exe	76
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 4520	1840	RdrCEF.exe	77
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78
PID 1840 wrote to memory of 3876	1840	RdrCEF.exe	78

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\APOLLO MECHANICAL CONTRACTORS_172345_1_Drury_SupplierRemit.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:4652
- 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:1840
- - 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=61EE1CDD437D76B7E50FDC9DEDC7FB5E --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4520
- - 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=4767C7B9FB4CA3317147FEC0CB8AFF5A --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=4767C7B9FB4CA3317147FEC0CB8AFF5A --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3876
- - 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=E2BCEFE81884B39814170CF217D78039 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5052
- - 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=6B971A2B1BD28FB1B78FC16F2F50DB96 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:696
- - 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=39AB3D35519630CE098B3A5CC0650E70 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1364
- - 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=6B763CE8F0B62FB59CE62E3EF5617055 --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=6B763CE8F0B62FB59CE62E3EF5617055 --renderer-client-id=7 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4804

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
d2001eab361faf05322ddccc6a40e489

SHA1
7648f17145990859a59559c36da4d31d1be77539

SHA256
5c1857d36f2dce133899c6529b99065e22f49e39860ae1eee253ceec14ea038e

SHA512
7cf68a3e7f28c64a09b944d5849b8e6b817d7cfb48d4e1a4749dbd15f24e2cf6dd382c23924399bcc2c2afc8f3a8d830e3ddb158e7d360c2cd6e54ebbf155cb5

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