3f4d628421384ba051f806cb46a1cc7c1bd7403e86162bb87bf55ab01ac335f9

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2023, 02:17

Sharing

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General

Target

Introducing G4 Finance Group.pdf
Size

245KB
MD5

5927f50e8a172a25e9d71bc15a3c71dc
SHA1

ed3871908e363e9261266e34b6b485a3650df4f3
SHA256

3f4d628421384ba051f806cb46a1cc7c1bd7403e86162bb87bf55ab01ac335f9
SHA512

84b28bb77389b7672263893757cef97a95e89ae4f9e3296751a224f7776a69e0f21feea8bba928980b842c3e8b3010bd67e69d9c2651c50005554b71e6cdfd8b
SSDEEP

3072:Wh1ursofv+17bUVWVQ20t9A45zTH3CHm5n2npREF1LKQleSqLjNSn7:yugU+hbUVT9zzTH3CHm5SXEFZZqLcn7

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-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1752	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe
1752	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 4320	1752	AcroRd32.exe	93
PID 1752 wrote to memory of 4320	1752	AcroRd32.exe	93
PID 1752 wrote to memory of 4320	1752	AcroRd32.exe	93
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3528	4320	RdrCEF.exe	94
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	RdrCEF.exe	95
PID 4320 wrote to memory of 3556	4320	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\Introducing G4 Finance Group.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:1752
- 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:4320
- - 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=26B6A022EDDE906F35FDFB8FBFBE9104 --mojo-platform-channel-handle=980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3528
- - 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=0C410FE1BE0D734BC3B469E0B6764744 --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=0C410FE1BE0D734BC3B469E0B6764744 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3556
- - 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=77B31398B0987CD94A25AD2092D5373F --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3832
- - 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=E33E8A2D6D2309ACE29772EDA4BF22F3 --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=E33E8A2D6D2309ACE29772EDA4BF22F3 --renderer-client-id=5 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2820
- - 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=9A66C3E61040F5EAC55A826EC7445A4C --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4016
- - 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=5E68B96DA9A877E2768287174A3DB7A6 --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5096

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1396

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

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Downloads

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

Filesize
64KB

MD5
286e39d1eaa1f39b1589b416b6127213

SHA1
2ad16776d931a4390df2fcb2026ec0c371cc51b6

SHA256
bef435c41881dae39ca4405fc0cd08564af5a22601fc036b21b14b7d54c6191a

SHA512
14db8cc78d6d7fb9d390c68900c781967c1f20ab92485d7b6155f0505a22ec82c8b602f6593bdea9b3ec838b95feac190fa1b8f741f9fe1d6fcde4ee0c7d3604

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/1752-26-0x00000000083B0000-0x00000000083D1000-memory.dmp

Filesize
132KB

Download