8087a77609cbe6cc6009146b555f624c6e3e8935f397fad07798069dbb8078c6

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 13:21

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General

Target

71ee3023e27f9141de1dc9c1c00917db.pdf
Size

84KB
MD5

71ee3023e27f9141de1dc9c1c00917db
SHA1

335b378dd584d6eb244e0bb8edbc53aa7b8a9385
SHA256

8087a77609cbe6cc6009146b555f624c6e3e8935f397fad07798069dbb8078c6
SHA512

ed623720e0e505d920ad610bcad8b38dc081985a03be39534901f95b5520f4be5dab7b3be7120459f8b7d740066bfe1793f34d814e8db01b2d2e5d6143e83d27
SSDEEP

1536:/l2Wp0NEI8AOGCrbc/NUCA55OTxfrEbxdqR7SUln+xPcWCpOViIWMsXJPu+fB/g:vmN78AOGCrbc/PAjMfWxoSU9+xdVicUi

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1608	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe
1608	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 3036	1608	AcroRd32.exe	88
PID 1608 wrote to memory of 3036	1608	AcroRd32.exe	88
PID 1608 wrote to memory of 3036	1608	AcroRd32.exe	88
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 3796	3036	RdrCEF.exe	89
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90
PID 3036 wrote to memory of 2744	3036	RdrCEF.exe	90

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\71ee3023e27f9141de1dc9c1c00917db.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:1608
- 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:3036
- - 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=E93E30FDEF2D39C8DB55D92D0E8337F6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3796
- - 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=16AD6175397E4C76042D867FA1915D96 --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=16AD6175397E4C76042D867FA1915D96 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2744
- - 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=5D078D37AFFFB39EBD5054F537477005 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4248
- - 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=0209F5AF27D5F0657764D32ED2AC37E6 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4144
- - 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=F33F7DD07FDA0A48B79496EF2E376807 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5032
- - 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=D9629CE3C2565DED1FD3CC81E9251382 --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=D9629CE3C2565DED1FD3CC81E9251382 --renderer-client-id=7 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3284

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2040

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
4471341ed4539a299135a80efbdb5167

SHA1
b73dd7b022ce2feead6392c59cadf03bea777e53

SHA256
c46c9800a7ae46e8416f0e02cab77fc90eb053e3c638e47388f3a3fbe56583ce

SHA512
a894ab43a256ed395b742ed4ee3eb869def6435a17ddb43a11a63f2070555004521b185922ff28bf2de538a1ec734e62fd5bed0c17b5c30e72a281fe5903147c

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/1608-26-0x000000000ADF0000-0x000000000AE40000-memory.dmp

Filesize
320KB

Download
memory/1608-28-0x000000000ADF0000-0x000000000AE11000-memory.dmp

Filesize
132KB

Download