0520c06aab4674e8cd92502b4aa3c00e848c6a6ed38283f9e700caf83bdc12ac

Analysis

max time kernel
152s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 11:53

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General

Target

b4a2e419d493114fcd3c9363a8d06273.pdf
Size

82KB
MD5

b4a2e419d493114fcd3c9363a8d06273
SHA1

90afd2fb19b043b0a21cb700dcfeb34cc6a3aa02
SHA256

0520c06aab4674e8cd92502b4aa3c00e848c6a6ed38283f9e700caf83bdc12ac
SHA512

2a9c2c56ae34bbe5a303ba5f20ba102598632380602ef909888a8512e8ad08dd46cc790f62b9af465b25430008752363d4506faebf5d35321c7f3ef672476dae
SSDEEP

1536:mICkhSumRb2AKcnp3ni4GNNWE+IusWdNqxoFIC7WXL78CIWWstY0ScG/frWkNpO4:EkhSui2Mp3nAW7INWPqAIC7WXv6t8P/I

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2044	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe
2044	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 1412	2044	AcroRd32.exe	93
PID 2044 wrote to memory of 1412	2044	AcroRd32.exe	93
PID 2044 wrote to memory of 1412	2044	AcroRd32.exe	93
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 2084	1412	RdrCEF.exe	96
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97
PID 1412 wrote to memory of 1276	1412	RdrCEF.exe	97

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\b4a2e419d493114fcd3c9363a8d06273.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:2044
- 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:1412
- - 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=D6484D02091F06D16A92614F4B18EDE2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2084
- - 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=EF6C77B1A04248805D0D41AF47D76567 --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=EF6C77B1A04248805D0D41AF47D76567 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1276
- - 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=E4D6798517FE70286EE0D90F409FA095 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4056
- - 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=9828899791ECA4637C5A0FB78E9FD0EA --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=9828899791ECA4637C5A0FB78E9FD0EA --renderer-client-id=5 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4872
- - 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=28348EE5DC2E8BBA20374EE818EA6186 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5048
- - 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=B80B5862354299F81E7932D85C2F3C57 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3664

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
dd9e51d2da5f342067feee00bfcd8ed1

SHA1
f2f95251aa4418ef98c20b7c660bb3404b2b3e20

SHA256
f03e14acf3c5b72c2d083b265293d102008ec8d1a21112c9cd13775b7bff7d5d

SHA512
919cafcd293ccce63712b407a5662203075da3c895014a1e7f2010db97f9a65bb6649d5af4ea9e380eab58e9d50da36ac00382f40a54184e121eb2cf2aca33e9

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