5517ebdd24aa7614d50a32b4c7bafe78e73590dd2a46e0bffea3c4312e0ba347

Analysis

max time kernel
160s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 00:58

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General

Target

bd3e9482179ff0f8f5291744686f935b.pdf
Size

91KB
MD5

bd3e9482179ff0f8f5291744686f935b
SHA1

2c03e4b752ec9a1f92755b1f19e730a944bef7dc
SHA256

5517ebdd24aa7614d50a32b4c7bafe78e73590dd2a46e0bffea3c4312e0ba347
SHA512

c11926f4debf8d7570861a3fef73d32d9c14f66a818fc9298b6e6ebfad8c8beeba25607dd0b3c538e97257747463e1871ba215a6bb8659f311cfb23290718cc1
SSDEEP

1536:blpt5I+qUOwW6kzyRrrkRLu8oeJZw2Sx4iEx+5/sVavWxApOGzWdagiNALebX:ppvxRF7kzEroRSbx4iExVVaw3G6agXU

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4696	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe
4696	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 2500	4696	AcroRd32.exe	88
PID 4696 wrote to memory of 2500	4696	AcroRd32.exe	88
PID 4696 wrote to memory of 2500	4696	AcroRd32.exe	88
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 2916	2500	RdrCEF.exe	92
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	RdrCEF.exe	93
PID 2500 wrote to memory of 3744	2500	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\bd3e9482179ff0f8f5291744686f935b.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:4696
- 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:2500
- - 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=FF270000C60490CB2F72718042DE2B3F --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=FF270000C60490CB2F72718042DE2B3F --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2916
- - 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=A6F57BF485C1BE7E422D70F42542EAA0 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3744
- - 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=909FC56402CCB3119AFDCAFFD591A168 --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=909FC56402CCB3119AFDCAFFD591A168 --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4524
- - 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=57696C7D962C65F69534A82646C6B6B0 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3340
- - 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=F8A3F1E5B1A2AD7EB09911738C409DD9 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4584
- - 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=19253DF390413E244BBD663082C666E4 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1120

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2252

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
0cb640398e0dbd84ffa23286358d0e47

SHA1
43e2f939331e1faf22137a20c7e85caf62c39ed5

SHA256
71001c2b6a35fb5c10de444cfddaed071b83e6dc064f3088beb67a8b796b10e4

SHA512
259e54fc81de366c12bbe50933782311ae2cb9c8fb790295c42f2f9d0487f246044d45d5c6f4403513a0121167d93f108a5d2e6e86e051842510a263a7781a2e

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