df692f1bf37d61896a0f554bc06025ade97cf8921ea3ff25b66a2756ac3c624a

General

Target

cd07464c01dce9dca38519e55d1f694e.pdf
Size

26KB
MD5

cd07464c01dce9dca38519e55d1f694e
SHA1

039856e9b035c850e11b0f1e85c7f217c5a8a653
SHA256

df692f1bf37d61896a0f554bc06025ade97cf8921ea3ff25b66a2756ac3c624a
SHA512

9369ef1ad8a37583818170b1c15abf5bc568f6fcb3b8113efa00a6dcb92241b7aa40e03b5f97024895229044d26a7f840fdb41366b7022342c20909220a557c2
SSDEEP

384:SXnW5pkMe47O7Dqs/bxMcPJj08Jo835HSNWp8KKIFIxU1XDCUSyPLVWy:KYpeMO7Dqsjm6g8Jol0cqzNVv

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe
1956	AcroRd32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 1568	1956	AcroRd32.exe	104
PID 1956 wrote to memory of 1568	1956	AcroRd32.exe	104
PID 1956 wrote to memory of 1568	1956	AcroRd32.exe	104
PID 1956 wrote to memory of 5020	1956	AcroRd32.exe	106
PID 1956 wrote to memory of 5020	1956	AcroRd32.exe	106
PID 1956 wrote to memory of 5020	1956	AcroRd32.exe	106
PID 1956 wrote to memory of 4884	1956	AcroRd32.exe	109
PID 1956 wrote to memory of 4884	1956	AcroRd32.exe	109
PID 1956 wrote to memory of 4884	1956	AcroRd32.exe	109
PID 1956 wrote to memory of 2352	1956	AcroRd32.exe	110
PID 1956 wrote to memory of 2352	1956	AcroRd32.exe	110
PID 1956 wrote to memory of 2352	1956	AcroRd32.exe	110
PID 1956 wrote to memory of 3160	1956	AcroRd32.exe	112
PID 1956 wrote to memory of 3160	1956	AcroRd32.exe	112
PID 1956 wrote to memory of 3160	1956	AcroRd32.exe	112
PID 1956 wrote to memory of 5092	1956	AcroRd32.exe	115
PID 1956 wrote to memory of 5092	1956	AcroRd32.exe	115
PID 1956 wrote to memory of 5092	1956	AcroRd32.exe	115

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\cd07464c01dce9dca38519e55d1f694e.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1956
- 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:1568
- 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:5020
- 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:4884
- 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:2352
- 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:3160
- 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:5092

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
1⤵
PID:1248

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
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
aeabcfabdafaabdb354ba041e600b7bd

SHA1
86c6e0a9521000c944115087d5efa93e734d5737

SHA256
cbd8e466d7dcc95a7f0e515ab30a3be6e9490437f353e9362090aac0e64a25f4

SHA512
335d71f369965a5760261d7fc461fb31ae7e1c16ad9a6aad3a18a383a24559d3faa0b9646e34222b1bd74c5e66275457e2353a412c85dd4f0ad22a39812a09dc

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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Analysis

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