f2a88bd102810c22adbd219741e3fc45f5dfe8e044ff2be7efd6016a4a15e6b0

Analysis

max time kernel
143s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 13:24

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General

Target

a18f6effdaab6df596d9bdc72e91e836.pdf
Size

42KB
MD5

a18f6effdaab6df596d9bdc72e91e836
SHA1

e08da90deba7a2cb1d1025613ed8059610834c1f
SHA256

f2a88bd102810c22adbd219741e3fc45f5dfe8e044ff2be7efd6016a4a15e6b0
SHA512

e4854f18e2cd9dcdfa841afffe4616d7ff887062d7cd0b17550e447d9a02c3f84eda7f457122184ec1f50332e0dec210ff306202450027acbeb32810cf13fae5
SSDEEP

768:dilyRqUwxhrO9p8UDgBoDo1W0f1kchGH8yzI27E6BjDUdoAWM8Uu8u1zcLep:sy4Y8vu8IsJhGDzI+dD1AWvPzcap

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2108	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 3376	2108	AcroRd32.exe	92
PID 2108 wrote to memory of 3376	2108	AcroRd32.exe	92
PID 2108 wrote to memory of 3376	2108	AcroRd32.exe	92
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 1344	3376	RdrCEF.exe	94
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	RdrCEF.exe	93
PID 3376 wrote to memory of 4500	3376	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\a18f6effdaab6df596d9bdc72e91e836.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:2108
- 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:3376
- - 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=3E677B9B0D236851CF36C0B09CD5F1B2 --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=3E677B9B0D236851CF36C0B09CD5F1B2 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4500
- - 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=483E7335008A5682F415FBD2EF99B808 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1344
- - 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=4C8B6A6BA070477A4FD510772C6CEB78 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3832
- - 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=FE57CE55B8FDB3D26CC0145920045D42 --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=FE57CE55B8FDB3D26CC0145920045D42 --renderer-client-id=5 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3240
- - 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=02917FF56D04A71D1E1BF5DFFE75722C --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:876
- - 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=DF54FEEBDA35FB936B24639775E8B1E4 --mojo-platform-channel-handle=2860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2764

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4664

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
2ea45ee2113bdfca2312ebef977be367

SHA1
83cd1dbc1b853674e13b98107c4f8f3403c131f8

SHA256
aa3ec2025a224706beb83ebe10878005244b25bfd6b449553822a27ce81353fd

SHA512
9fa2731b53005fc9d4a7e1e3f77de6c82f997e6da80dc44a614e6eb3750d68a14b7aa375c5ee48d18a52ef66c9bd8259502d01502be7a1eaabf60c156bffe9ea

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
memory/2108-26-0x000000000A660000-0x000000000A6B0000-memory.dmp

Filesize
320KB

Download
memory/2108-27-0x000000000A660000-0x000000000A681000-memory.dmp

Filesize
132KB

Download