0899a17ca5fa58f63b8ac988d2f9eaa35bb136c2a1256233eed37efd0f659fd9

Analysis

max time kernel
142s
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
29-12-2023 18:05

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General

Target

Lizenzvereinbarungen.pdf
Size

147KB
MD5

d0c927725da4846d7a1c6159f79079d0
SHA1

d748b66ed8bc3fa7cf1f904a86dce1be72668b84
SHA256

fc5845ac5267b5239084a66876b3285088c26301884bfb6f3c77040b0e947fab
SHA512

65eaba222617bb1e2a63b819665717fbac05873e32b1145645781e53ea81e2de7923c6eb9a96d1e1304b3a1a06ffeac0de19cb7dc4bf9add574b8dd6ceb0132e
SSDEEP

3072:8WUAxln3rYBDCK8+RrUlaR2ud1ML1mDVzbbHUALDkZo37:8W7xlnEpCrQUlavd1MLEDVznUALT

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
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1988	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe
1988	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 4144	1988	AcroRd32.exe	93
PID 1988 wrote to memory of 4144	1988	AcroRd32.exe	93
PID 1988 wrote to memory of 4144	1988	AcroRd32.exe	93
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4444	4144	RdrCEF.exe	94
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95
PID 4144 wrote to memory of 4176	4144	RdrCEF.exe	95

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\Lizenzvereinbarungen.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:1988
- 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: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=F84859D4B13C81CF0D0A26E7B86C89CD --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4444
- - 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=87B5EE9B887E02FFCAFB811078CC0A26 --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=87B5EE9B887E02FFCAFB811078CC0A26 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4176
- - 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=08B1F496FC2F51E73216FBB0E5DB07EC --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3600
- - 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=E036A277895779A44F6AEC7937CF0047 --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=E036A277895779A44F6AEC7937CF0047 --renderer-client-id=5 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4472
- - 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=322A20BDB7D18D9E2A14EE037854995C --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1352
- - 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=F153A211CBC455C66B1F0F81CFD9EEFF --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5096

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
00f8aca3598e0bb76de3722f94f347eb

SHA1
164473f9e5946643a8f4aac2ac75ba9a1540c3d0

SHA256
f4a12516cd03f50a423c5ddbb38a009c246da14b91fb3d15eb86b8d311f0af42

SHA512
6bcfd6159e60235e2616e705e8470e2ed5db7e7d19a0a35c5ce7ff27669deb7305c6d460c64662a8d5f3891ccc478d4db08d7652def37f4629d966559ecdb8d0

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