234ab60532931d096f5f2a87d36a1d4ca831cafcc27dfd6d5977e08b4279c991

Analysis

max time kernel
157s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 18:54

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General

Target

b96d6e0135639006ee5df908c326c6ca.pdf
Size

74KB
MD5

b96d6e0135639006ee5df908c326c6ca
SHA1

cbefd3d3f3eb0d1b795ac3ab57f2639cfafc84dc
SHA256

234ab60532931d096f5f2a87d36a1d4ca831cafcc27dfd6d5977e08b4279c991
SHA512

dd1b6a19e9896216016cec272e186f12ef48ffbbe56a241109f7d6676a895ac248d206c19ba464894a81cfe450dc759434659a02e7c0075397be56f04f9d2561
SSDEEP

1536:YKCvQ30SPdFSHD7Nx1RuJbvJOh1RAdekzWD0ZUedXZWapOtQterOVaB:9CvU0iFSP1ybvJOh7is8Ue92tQter8E

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 22 IoCs

pid	Process
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4596	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 3440	4596	AcroRd32.exe	91
PID 4596 wrote to memory of 3440	4596	AcroRd32.exe	91
PID 4596 wrote to memory of 3440	4596	AcroRd32.exe	91
PID 4596 wrote to memory of 3912	4596	AcroRd32.exe	94
PID 4596 wrote to memory of 3912	4596	AcroRd32.exe	94
PID 4596 wrote to memory of 3912	4596	AcroRd32.exe	94
PID 4596 wrote to memory of 3208	4596	AcroRd32.exe	96
PID 4596 wrote to memory of 3208	4596	AcroRd32.exe	96
PID 4596 wrote to memory of 3208	4596	AcroRd32.exe	96
PID 4596 wrote to memory of 4636	4596	AcroRd32.exe	99
PID 4596 wrote to memory of 4636	4596	AcroRd32.exe	99
PID 4596 wrote to memory of 4636	4596	AcroRd32.exe	99
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1872	3208	RdrCEF.exe	100
PID 3208 wrote to memory of 1104	3208	RdrCEF.exe	101
PID 3208 wrote to memory of 1104	3208	RdrCEF.exe	101
PID 3208 wrote to memory of 1104	3208	RdrCEF.exe	101
PID 3208 wrote to memory of 1104	3208	RdrCEF.exe	101
PID 3208 wrote to memory of 1104	3208	RdrCEF.exe	101
PID 3208 wrote to memory of 1104	3208	RdrCEF.exe	101
PID 3208 wrote to memory of 1104	3208	RdrCEF.exe	101
PID 3208 wrote to memory of 1104	3208	RdrCEF.exe	101
PID 3208 wrote to memory of 1104	3208	RdrCEF.exe	101
PID 3208 wrote to memory of 1104	3208	RdrCEF.exe	101
PID 3208 wrote to memory of 1104	3208	RdrCEF.exe	101

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\b96d6e0135639006ee5df908c326c6ca.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:4596
- 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⤵
  PID:3440
- 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⤵
  PID:3912
- 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:3208
- - 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=A5D37BCB11CC880468729B9A0406ACEB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1872
- - 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=20305B678D03E5B3261F2DB16B80870B --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=20305B678D03E5B3261F2DB16B80870B --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1104
- - 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=F2E06B4ED0AD4D65B692D87CF712350C --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=F2E06B4ED0AD4D65B692D87CF712350C --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1676
- - 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=52E61CF0C7423B9AE456E2FB21C807B6 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4832
- - 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=8E353CDAEC8533B27FBF41A04F99E17C --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2976
- - 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=B57A79425B61BF5E7356C4E39784161F --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --backgroundcolor=16514043
  2⤵
  PID:4636

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
589711a84c430128c4dde74fe0b47cc8

SHA1
db87cadae32537f24e179654944e6ea74a441ad4

SHA256
dcb5ebc542fb9f505076972120e5a0d0868a6da89babdca11dce7b178ff2f854

SHA512
378e1d07c90b41f5f4a80abcb3e0d653555ec3189ee52d1e7922f490d0eb9cdcfcac94d01fb2262f12e0733b321080871dd642a35f8c042a715754f21e67b3df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit