67019e6d5d75036d311f14af8f9ab39afa20b565c541ee35c89cc7d34f0eb7b9

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2023, 13:48

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General

Target

Bv9ARM.pdf
Size

705KB
MD5

a8ad55ecb3b1192308e84aad7d9b3c6a
SHA1

08fad224fb4d048bb10b6b6062e78684a860090f
SHA256

afbf7a74224889a6c3a8d4c6834a955129f90f5a2854ffe47643aed34c71ef22
SHA512

2b6f5ff84d22e6a832c602e58594c189fe0310b80c859b1659da42304813a6c56b9d1d065152218c98104486ea28be9d5c640165ff7ce6b9a612468559ef647c
SSDEEP

12288:Er1ACS31dmF+GPx9MtODo/B4nA3QFVwXcHHOjQEaIXM9U6COqQXM4jSx:Eq31dg+avP6s8OVEcHHOsQ89U6XpK

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-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2476	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe
2476	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 436	2476	AcroRd32.exe	95
PID 2476 wrote to memory of 436	2476	AcroRd32.exe	95
PID 2476 wrote to memory of 436	2476	AcroRd32.exe	95
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 4372	436	RdrCEF.exe	97
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98
PID 436 wrote to memory of 836	436	RdrCEF.exe	98

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\Bv9ARM.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:2476
- 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:436
- - 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=C2D08358DCF208B1EC44DC8CB07C5FF3 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4372
- - 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=84207534F826831425D566667DCF50F4 --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=84207534F826831425D566667DCF50F4 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:836
- - 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=D7EE57DAA8D55575E2E1E2A69010789D --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2380
- - 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=03A5418D5BB13C45D5EEC52E3B188B2C --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=03A5418D5BB13C45D5EEC52E3B188B2C --renderer-client-id=5 --mojo-platform-channel-handle=2016 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2604
- - 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=FB3A8B353F1C1F4DB45504B9EF83D927 --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4344
- - 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=5D609FDBEC673BB07D3912D08D8F819A --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2028

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2712

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
3a1a62ad1304c14948130e1946f93507

SHA1
ae2952819085ad9bd639cddd369bb6ab8d1c4717

SHA256
2a7e53031f00b6720a1495c136e0d7ac60b8a5e763f408f98ff09bb1fc1d2e61

SHA512
ed275a51b7442e430f4800908bef5dba6e440fb67c8e404318e75a0b37f915f963342d81f46e7ed41aae99e265441b4c34bee580a1a28100dec3e8caa77dfbd3

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/2476-129-0x000000000ADC0000-0x000000000B06B000-memory.dmp

Filesize
2.7MB

Download