e2475276990cb7c830ca5c888ac146c0cb35de5d5da0e5f8c8972944709f4b63

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2024 22:01

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General

Target

4c8ee975bb9461c4262e03cea5a410e8.pdf
Size

315KB
MD5

4c8ee975bb9461c4262e03cea5a410e8
SHA1

47e986f211aeb0751a639b7181ef4f65e0bcf7d0
SHA256

e2475276990cb7c830ca5c888ac146c0cb35de5d5da0e5f8c8972944709f4b63
SHA512

a3c7216c1604628ca29e5ca7f8e6c9c41a0d6c8db632d81b94cfd5d5e9ec1f2f94635d018792b7753d17e45e539f8d2278867fba09780ac84471152eff15ca94
SSDEEP

6144:BR9fDi17uduDvmDekJZ9l0D0RsYaSEMFvCMzoLlCuDcJoXZ:5fSuy/gZ9l0D0RZbGRAJoJ

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4384	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe
4384	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4384 wrote to memory of 5056	4384	AcroRd32.exe	91
PID 4384 wrote to memory of 5056	4384	AcroRd32.exe	91
PID 4384 wrote to memory of 5056	4384	AcroRd32.exe	91
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 2248	5056	RdrCEF.exe	92
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93
PID 5056 wrote to memory of 3428	5056	RdrCEF.exe	93

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\4c8ee975bb9461c4262e03cea5a410e8.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:4384
- 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:5056
- - 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=416D9410CC71FBDC7DAD023040150982 --mojo-platform-channel-handle=1708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2248
- - 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=F5A0EBF4FC86514AC0EBC7F209D60E6C --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=F5A0EBF4FC86514AC0EBC7F209D60E6C --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3428
- - 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=F588E17FD27A828AA4FE00903025B41B --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2024
- - 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=742F4E5133E265712D0A3EB2DF1321B1 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3328
- - 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=25E524AC11668A3958D7AA68E7EF4D27 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3100
- - 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=92BE4685BCF15ECD88E59BFE260DC47B --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=92BE4685BCF15ECD88E59BFE260DC47B --renderer-client-id=7 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3232

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
9fa1f3e34b4ac8a56cdc2fb78c84177f

SHA1
4be01363ea3b48cbd2ae6eb01ed323d7d18d2db3

SHA256
ee98163b5cbf56aeced190fa020c800302dee1d70bfa790ec72b79d53621fc55

SHA512
000f91b1031de43db658bb75bc27f2e63541b46bcaf1907dee62af1ed9f82a759c1ac91559c266de7897cdf9a0f5849c404a4790b5d6a122d4230d30ef678bbc

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