c4d99b221d416fd293b41caf9d59670ec33c2bb464ba934ed2f771160f95d430

Analysis

max time kernel
141s
max time network
150s
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, 17:39

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General

Target

99bed07f836f9135a1fc3cdb5549418b.pdf
Size

84KB
MD5

99bed07f836f9135a1fc3cdb5549418b
SHA1

e08e28879afe2015ab7ea084a342eff54fa81884
SHA256

c4d99b221d416fd293b41caf9d59670ec33c2bb464ba934ed2f771160f95d430
SHA512

dd5f04cb7ee3a53cb2b330f0e5df5a0ecd2d517d2177ed473a2d2f3b1bea9db9f24fa7fa8294271c4086522147560265ec5ce2dc28396acdd77c6f150d4b014d
SSDEEP

1536:IqC22U4OWnxewRdqJZuI+DdGw8jJBBEtk6vxAahx9FB:P7f4OWbdzI+0FEtk6TxF

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
368	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe
368	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 368 wrote to memory of 2208	368	AcroRd32.exe	85
PID 368 wrote to memory of 2208	368	AcroRd32.exe	85
PID 368 wrote to memory of 2208	368	AcroRd32.exe	85
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 2796	2208	RdrCEF.exe	86
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87
PID 2208 wrote to memory of 3032	2208	RdrCEF.exe	87

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\99bed07f836f9135a1fc3cdb5549418b.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:368
- 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:2208
- - 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=807DF6E096AFE49A3CEDAD2B65DE5A8C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2796
- - 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=F62FA0A093B9ECFCCD92DE5D76592D8F --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=F62FA0A093B9ECFCCD92DE5D76592D8F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3032
- - 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=474E6985FE419EB4C09C5B08C6A8882F --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1052
- - 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=46A2C586EE6F7504BA00BD8664F86C47 --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=46A2C586EE6F7504BA00BD8664F86C47 --renderer-client-id=5 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1028
- - 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=7051E446A19B95C97D3D36606BF33A8E --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4868
- - 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=0B485F5BD867BF31AA200B6C58076E3A --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4024

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:116

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
59e01a89ff0938e04a77432dce1f7f8c

SHA1
4977ed7f94b1c130616eedb842e1c39bd2e9b683

SHA256
40e014a7f09f044f45b34f5333dbf765ce3270032582593b1aacb7f164defee3

SHA512
5a73fd32dc442a4a3e0042d3395b334e26d13a1f5f752b0fbed3a294727bbddcc87b6c0e3dacdabcdb0ee789c8348c887b893ae891e4a8983d9687f5dcf1b56b

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/368-28-0x000000000C320000-0x000000000C341000-memory.dmp

Filesize
132KB

Download