30ea4c1203c10f402b03d9264e466615a90760dd3be996222da1332ed2fd65c4

General

Target

000b7ab409c1324b51adc0af0c3b5b26.pdf
Size

49KB
MD5

000b7ab409c1324b51adc0af0c3b5b26
SHA1

2faa990e65cf48305d965f428a28d511cb146927
SHA256

30ea4c1203c10f402b03d9264e466615a90760dd3be996222da1332ed2fd65c4
SHA512

5fa7c2c7351773e93f34f735e8b0847a62528c1b584501244d1e5d4c7ab1fa1d4cc65f89174c39cab92fb8c779c795c73550455ad79a85a2e80c7c737bdf0f7a
SSDEEP

768:hgGzpDgHRKE+sCSvHmVIfEOTAK05OrE3XpD/gleQ3/GOMss99S1B1Yxk:SGFMx7hEKZQ3JgcQP5FAqYxk

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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2380	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2492	2380	AcroRd32.exe	98
PID 2380 wrote to memory of 2492	2380	AcroRd32.exe	98
PID 2380 wrote to memory of 2492	2380	AcroRd32.exe	98
PID 2380 wrote to memory of 5084	2380	AcroRd32.exe	102
PID 2380 wrote to memory of 5084	2380	AcroRd32.exe	102
PID 2380 wrote to memory of 5084	2380	AcroRd32.exe	102
PID 2380 wrote to memory of 3236	2380	AcroRd32.exe	103
PID 2380 wrote to memory of 3236	2380	AcroRd32.exe	103
PID 2380 wrote to memory of 3236	2380	AcroRd32.exe	103
PID 2380 wrote to memory of 448	2380	AcroRd32.exe	105
PID 2380 wrote to memory of 448	2380	AcroRd32.exe	105
PID 2380 wrote to memory of 448	2380	AcroRd32.exe	105
PID 2380 wrote to memory of 4652	2380	AcroRd32.exe	106
PID 2380 wrote to memory of 4652	2380	AcroRd32.exe	106
PID 2380 wrote to memory of 4652	2380	AcroRd32.exe	106
PID 2380 wrote to memory of 2668	2380	AcroRd32.exe	107
PID 2380 wrote to memory of 2668	2380	AcroRd32.exe	107
PID 2380 wrote to memory of 2668	2380	AcroRd32.exe	107

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\000b7ab409c1324b51adc0af0c3b5b26.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:2380
- 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:2492
- 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:5084
- 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:3236
- 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:448
- 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:4652
- 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:2668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
64KB

MD5
f7a5438fb2a3d2a1d62eeef074d10cd9

SHA1
c47ddd6abbe03cb62dc7d196fce5721e310b81a8

SHA256
72c7cf2419871b6d61d2a395781c9e96439e481dd10ab7161dfcd430df8d85ef

SHA512
eae8ee9f27b73783905c25c08e90b26d9959b839594e57c803bc22f2bcbe2c1998fdfe0ac1889e6df134e148d4dece644e4ba7142c769123b8fa8c8a0791a6d1

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Analysis

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