1bd6005794ba3d25fa9fed76dfdab29a2388d1a06446c41ea27db82e6181266e

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 21:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

99ff30da3024f30348aabc37748fe9f9.pdf
Size

67KB
MD5

99ff30da3024f30348aabc37748fe9f9
SHA1

e842016aec2ebe05b2969adcdcc93fd37bc75144
SHA256

1bd6005794ba3d25fa9fed76dfdab29a2388d1a06446c41ea27db82e6181266e
SHA512

742abf0baf78dc7dbe2f85c8dce18d9d21a59cda67126f2022880fce9158aaa7e7282c02a27735f3d1a4f0cfab54ccbbc80e16a9056b03c7c058092341a1244e
SSDEEP

1536:huTXxrnL5gKTQ/L4lgxeeKjcK0FSDZzQHmGDBmU/:U7xrndK/Lre3j/0FSDZzkmNm

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 2268	2832	AcroRd32.exe	84
PID 2832 wrote to memory of 2268	2832	AcroRd32.exe	84
PID 2832 wrote to memory of 2268	2832	AcroRd32.exe	84
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 1536	2268	RdrCEF.exe	85
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86
PID 2268 wrote to memory of 3940	2268	RdrCEF.exe	86

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\99ff30da3024f30348aabc37748fe9f9.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2832
- 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:2268
- - 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=C17C33346EF8E022D3854A3D072D280E --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1536
- - 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=D0F631A4F9E076A29FA5E7E56944386B --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=D0F631A4F9E076A29FA5E7E56944386B --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3940
- - 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=BE530063696F71491AB75335A03F3694 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1136
- - 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=5057DDEAC0D39245DA22D4E774351475 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1896
- - 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=E7E8E2164690CDB9C71DBFC5F64C79D5 --mojo-platform-channel-handle=2380 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2584

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3132

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
5a21fcca8d5b4eb8216c87abc0afa914

SHA1
14c070c8b4f8ae51d41eaebf5736a5c8113c6a27

SHA256
2051a695d82605db0ef60fd608dac3d4ac8ca32c26241d05146008f168bd2f3f

SHA512
48e9519c7afd6a9c98d0d3e655245769dd8eff6edd38f8c91dc94be69d4d7b7ac96c253278b5212a1ca4d3b6586bc5b61ff26776edfc78cbd664010af47b719b

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