9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d

General

Target

9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d.exe
Size

1.6MB
MD5

584594d0757def5f0bd93a27ccb9dd5b
SHA1

9f46556e19fcdc6d502469f5aedec57a45cc35a9
SHA256

9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d
SHA512

4de178e9bb2b50fc6550fdb469f1314aa58a18ed7ff819e53e8a1b78ce3f66bac87a0159b55acffb62091f63f1828349212720e0102bb55db6e40b4b3384d317
SSDEEP

3072:l9wVd7eWHyeEMOB9yJImTTA8k6ib3DrQxtBIfQispbl7H37A7PiojXN30R:l9Id7ee5OmJImTTZwbgrsyl7YDN3e

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1772	yetanigy.exe

Loads dropped DLL 2 IoCs

pid	Process
2028	9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d.exe
2028	9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTg0NTk0RDA3NTdERUY1Rj = "C:\\ProgramData\\yetanigy.exe"	yetanigy.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 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	9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	yetanigy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	yetanigy.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2028	9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d.exe
Token: SeDebugPrivilege	1772	yetanigy.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1772	2028	9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d.exe	27
PID 2028 wrote to memory of 1772	2028	9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d.exe	27
PID 2028 wrote to memory of 1772	2028	9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d.exe	27
PID 2028 wrote to memory of 1772	2028	9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d.exe	27

C:\Users\Admin\AppData\Local\Temp\9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d.exe
"C:\Users\Admin\AppData\Local\Temp\9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028
- C:\ProgramData\yetanigy.exe
  "C:\ProgramData\yetanigy.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks processor information in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:1772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\yetanigy.exe

Filesize
1.6MB

MD5
584594d0757def5f0bd93a27ccb9dd5b

SHA1
9f46556e19fcdc6d502469f5aedec57a45cc35a9

SHA256
9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d

SHA512
4de178e9bb2b50fc6550fdb469f1314aa58a18ed7ff819e53e8a1b78ce3f66bac87a0159b55acffb62091f63f1828349212720e0102bb55db6e40b4b3384d317

Download Submit
C:\ProgramData\yetanigy.exe

Filesize
1.6MB

MD5
584594d0757def5f0bd93a27ccb9dd5b

SHA1
9f46556e19fcdc6d502469f5aedec57a45cc35a9

SHA256
9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d

SHA512
4de178e9bb2b50fc6550fdb469f1314aa58a18ed7ff819e53e8a1b78ce3f66bac87a0159b55acffb62091f63f1828349212720e0102bb55db6e40b4b3384d317

Download Submit
\ProgramData\yetanigy.exe

Filesize
1.6MB

MD5
584594d0757def5f0bd93a27ccb9dd5b

SHA1
9f46556e19fcdc6d502469f5aedec57a45cc35a9

SHA256
9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d

SHA512
4de178e9bb2b50fc6550fdb469f1314aa58a18ed7ff819e53e8a1b78ce3f66bac87a0159b55acffb62091f63f1828349212720e0102bb55db6e40b4b3384d317

Download Submit
\ProgramData\yetanigy.exe

Filesize
1.6MB

MD5
584594d0757def5f0bd93a27ccb9dd5b

SHA1
9f46556e19fcdc6d502469f5aedec57a45cc35a9

SHA256
9da94c3e710012bfde7665589a67b57eff32526991e88e9ec409936a7243a93d

SHA512
4de178e9bb2b50fc6550fdb469f1314aa58a18ed7ff819e53e8a1b78ce3f66bac87a0159b55acffb62091f63f1828349212720e0102bb55db6e40b4b3384d317

Download Submit
memory/1772-66-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/1772-67-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-55-0x0000000075561000-0x0000000075563000-memory.dmp

Filesize
8KB

Download
memory/2028-56-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-57-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-65-0x0000000074260000-0x000000007480B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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