06a34a590cff45665d1684caad82181c4d09ff38010ca96bd0281de2c371fcbd

Analysis

max time kernel
221s
max time network
232s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 22:51

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General

Target

1f024667230f03b92dc9ddfe1c15ff87.pdf
Size

140KB
MD5

1f024667230f03b92dc9ddfe1c15ff87
SHA1

b5e40c429d0f196f25ca34b3e0f1930745228a68
SHA256

06a34a590cff45665d1684caad82181c4d09ff38010ca96bd0281de2c371fcbd
SHA512

c84130c3162da7ae34edee0c4f1aa091837e5596e695619e597478d7818cc4a0bf9bce6146bf9636eafdf3be18e0507bfac9b844a50d5f76ba124925fa97576c
SSDEEP

3072:hUvuKaCI5d4LQtMTFGW/DGZ520sguLHrCLVJdfGEFlBRDnQhL6Zi:hvKTRcGtdsuLGDdfGgc

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4032	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 4992	4032	AcroRd32.exe	94
PID 4032 wrote to memory of 4992	4032	AcroRd32.exe	94
PID 4032 wrote to memory of 4992	4032	AcroRd32.exe	94
PID 4032 wrote to memory of 468	4032	AcroRd32.exe	97
PID 4032 wrote to memory of 468	4032	AcroRd32.exe	97
PID 4032 wrote to memory of 468	4032	AcroRd32.exe	97
PID 4032 wrote to memory of 3668	4032	AcroRd32.exe	100
PID 4032 wrote to memory of 3668	4032	AcroRd32.exe	100
PID 4032 wrote to memory of 3668	4032	AcroRd32.exe	100
PID 4032 wrote to memory of 2408	4032	AcroRd32.exe	102
PID 4032 wrote to memory of 2408	4032	AcroRd32.exe	102
PID 4032 wrote to memory of 2408	4032	AcroRd32.exe	102
PID 4032 wrote to memory of 412	4032	AcroRd32.exe	105
PID 4032 wrote to memory of 412	4032	AcroRd32.exe	105
PID 4032 wrote to memory of 412	4032	AcroRd32.exe	105
PID 4032 wrote to memory of 3076	4032	AcroRd32.exe	106
PID 4032 wrote to memory of 3076	4032	AcroRd32.exe	106
PID 4032 wrote to memory of 3076	4032	AcroRd32.exe	106
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 2064	3076	RdrCEF.exe	114
PID 3076 wrote to memory of 3276	3076	RdrCEF.exe	115
PID 3076 wrote to memory of 3276	3076	RdrCEF.exe	115
PID 3076 wrote to memory of 3276	3076	RdrCEF.exe	115
PID 3076 wrote to memory of 3276	3076	RdrCEF.exe	115
PID 3076 wrote to memory of 3276	3076	RdrCEF.exe	115

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\1f024667230f03b92dc9ddfe1c15ff87.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:4032
- 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:4992
- 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:468
- 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:3668
- 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:2408
- 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:412
- 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:3076
- - 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=275C6278CF190AC0CF6EF5B8BE97158D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2064
- - 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=2363478D883313457006E777FEEF6504 --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=2363478D883313457006E777FEEF6504 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3276

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
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