4d344e92a23c84984e53012b89425958983cb0fd6a76a9e9236f6e1fa64a6d8b

Analysis

max time kernel
150s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 02:18

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General

Target

4d344e92a23c84984e53012b89425958983cb0fd6a76a9e9236f6e1fa64a6d8b.pdf
Size

289KB
MD5

86568c10bf1ba00dbb15f1816ba8ce68
SHA1

080ff4ca60b18de333ee3010ad0c722e27f132e8
SHA256

4d344e92a23c84984e53012b89425958983cb0fd6a76a9e9236f6e1fa64a6d8b
SHA512

c2bb66ee15407c1be5ba570363d3f19e17e42204608d161fbdf4f7188eebca02f538aac49480f26d9d36a8e5d012b5ac2aaef4c963e79eda0a9568c2dc05fc8d
SSDEEP

3072:PqMJnG3lRInJfiJOffcFjRQtKBzI3mkrwEGrHJ1dbynfW1pmigFinHCl8kEzJd5/:DJnGAYAmRLk4rNyu0DqeEzt

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1176	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1176 wrote to memory of 4252	1176	AcroRd32.exe	107
PID 1176 wrote to memory of 4252	1176	AcroRd32.exe	107
PID 1176 wrote to memory of 4252	1176	AcroRd32.exe	107
PID 1176 wrote to memory of 2716	1176	AcroRd32.exe	109
PID 1176 wrote to memory of 2716	1176	AcroRd32.exe	109
PID 1176 wrote to memory of 2716	1176	AcroRd32.exe	109
PID 1176 wrote to memory of 2316	1176	AcroRd32.exe	110
PID 1176 wrote to memory of 2316	1176	AcroRd32.exe	110
PID 1176 wrote to memory of 2316	1176	AcroRd32.exe	110
PID 1176 wrote to memory of 3976	1176	AcroRd32.exe	111
PID 1176 wrote to memory of 3976	1176	AcroRd32.exe	111
PID 1176 wrote to memory of 3976	1176	AcroRd32.exe	111
PID 1176 wrote to memory of 1972	1176	AcroRd32.exe	112
PID 1176 wrote to memory of 1972	1176	AcroRd32.exe	112
PID 1176 wrote to memory of 1972	1176	AcroRd32.exe	112
PID 1176 wrote to memory of 2284	1176	AcroRd32.exe	113
PID 1176 wrote to memory of 2284	1176	AcroRd32.exe	113
PID 1176 wrote to memory of 2284	1176	AcroRd32.exe	113
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 216	1972	RdrCEF.exe	115
PID 1972 wrote to memory of 4040	1972	RdrCEF.exe	116
PID 1972 wrote to memory of 4040	1972	RdrCEF.exe	116
PID 1972 wrote to memory of 4040	1972	RdrCEF.exe	116
PID 1972 wrote to memory of 4040	1972	RdrCEF.exe	116
PID 1972 wrote to memory of 4040	1972	RdrCEF.exe	116

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\4d344e92a23c84984e53012b89425958983cb0fd6a76a9e9236f6e1fa64a6d8b.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:1176
- 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⤵
  PID:4252
- 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⤵
  PID:2716
- 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⤵
  PID:2316
- 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⤵
  PID:3976
- 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:1972
- - 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=A380E6A04859089C793278C7B6B848BC --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:216
- - 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=57934AFF433D280FF6839F032B444240 --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=57934AFF433D280FF6839F032B444240 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4040
- - 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=7C67CC95D506B44174A8E86EC269EF1C --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3900
- - 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=F04883631734E7C65A311F60A2CD40F6 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:828
- - 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=124D6C984F4FF68AD1EDA76A039F418C --mojo-platform-channel-handle=1812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1124
- 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⤵
  PID:2284

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1428 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
1⤵
PID:2192

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3156

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
8c6cffcf865b44c6c1e3d6e105d4dea0

SHA1
5218781d7f3fef831763629ea46c3e445f6433a3

SHA256
bbb2095c3ff3ba0ea5433692b3399425f7600ccc6de4fda2afd0a5b7da10a58e

SHA512
6f5efae135519ae0ab08a85236eec2d0ca93cbb5654bdd6f330cbfc2085f0bcf6b5867338f027ef0656abdfcd03bafe44f602396bf8bcfb149cb2ece8fd1ab61

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit