f6d87dc5a6e29d043ba97a8cb9bbfa9bd882ebbb2c2ad51806c6ffff0d19be0d

Analysis

max time kernel
147s
max time network
157s
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, 12:53

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General

Target

1923d5124c2c9491bde97dd9dd46327c.pdf
Size

59KB
MD5

1923d5124c2c9491bde97dd9dd46327c
SHA1

01eb9cea861f380bbc0227028c924b8906f8b331
SHA256

f6d87dc5a6e29d043ba97a8cb9bbfa9bd882ebbb2c2ad51806c6ffff0d19be0d
SHA512

79f794fdb2405dc332388e533bd6b0dbd79168ba2e1cd619cb70802544f55ee3d573af1442d5cff12b614ace88fe9e41fac55c0f930ffa3a4b3b433c388489a9
SSDEEP

1536:Ayib55xlIXPgEKDsgKqaHMmW+c78b+fqTT4OySjneMh:dilbwPrKYOmWbNfqdB

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe
4872	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 2948	4872	AcroRd32.exe	94
PID 4872 wrote to memory of 2948	4872	AcroRd32.exe	94
PID 4872 wrote to memory of 2948	4872	AcroRd32.exe	94
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 3104	2948	RdrCEF.exe	95
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96
PID 2948 wrote to memory of 228	2948	RdrCEF.exe	96

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\1923d5124c2c9491bde97dd9dd46327c.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2948
- - 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=EBA7329554F81989B644CF02881A823D --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3104
- - 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=50286A16DB324D0FB3FF43D585D602A4 --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=50286A16DB324D0FB3FF43D585D602A4 --renderer-client-id=2 --mojo-platform-channel-handle=1608 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:228
- - 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=37831C77459627D4EB3BAEDF0844B57C --mojo-platform-channel-handle=1788 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4336
- - 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=B1B57B24433D47728A3D01681F9F97C0 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3316
- - 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=264D7846ECEBDF1539D00E67A4F56EEA --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1716

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4480

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
1988daa0674b5bfdbaf4a8d9db41a32e

SHA1
d3dd6410215c5312a964f800330ceafd0e3a95ef

SHA256
eb8cc664dcf6efaf842f2e4edcefc5982c03ac673e27de2fcbaaa3799804185f

SHA512
303135597c42a56347dca4decae2cf2a20cd2732ca43bf606a7f6ffa814a990c6bfbd0108fa3a6db9d4b2618bb0f50a825023044747ec8c6705e3baedf2df405

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