3f4d628421384ba051f806cb46a1cc7c1bd7403e86162bb87bf55ab01ac335f9

Analysis

max time kernel
151s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
08-10-2023 02:48

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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-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe
3620	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 1112	3620	AcroRd32.exe	90
PID 3620 wrote to memory of 1112	3620	AcroRd32.exe	90
PID 3620 wrote to memory of 1112	3620	AcroRd32.exe	90
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 4284	1112	RdrCEF.exe	93
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94
PID 1112 wrote to memory of 1060	1112	RdrCEF.exe	94

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:3620
- 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:1112
- - 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=76DF4AFBAD5768E43004534426EB6443 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4284
- - 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=3B7D125B184D8ACB5C376D0B6124CE84 --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=3B7D125B184D8ACB5C376D0B6124CE84 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1060
- - 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=8809792FE05B0A3FF64D878EC8A1DA84 --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=8809792FE05B0A3FF64D878EC8A1DA84 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3736
- - 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=0623C80A49EDB37C84E443E772D9D20E --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4328
- - 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=75F9422140221AEFFC2F6DDA1B21279B --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3416
- - 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=C7AB965539574D10DFB20F8F9E40977E --mojo-platform-channel-handle=2612 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3532

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
06e495b8061eeaab33232dc928df964c

SHA1
a52f9cc7aee61b500c2f945eab7cc77c6236ab80

SHA256
d94bc417c33e83bfee5abe9c9ee9faa21a88d292d8d32f659d246cd8e0b11af9

SHA512
a2829bf1de3f1efe32c36ffa13012531b91e2097f7b708c6e287dc629afb1a9fa6a2380ebf2f8d69f4d1a18c0450dffdde3984684e6d00677a4f011a32018475

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