6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b

General

Target

6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.exe
Size

11.8MB
MD5

63146b04a2e1b9a97353f2e18976eb1b
SHA1

e7d6035bf77b3113c02d9ff0de5b132a1fa74327
SHA256

6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b
SHA512

13b1b60ddf1596f2b8a4221c852827a1afa1690d7cdf09b4cc7d248102b0b60d45ab08a0a80ca8969afff843267a64af7db6592bc04b6828f2185cbee03014ae
SSDEEP

196608:94zbRhlKeLXsJeQcKSLjBREjdRQKms54Bgsy35xzy1fbdpHV8Zmkuv8gBd6bdIqW:MRSeAJeQcdLjI5RCsc835xzylfHmZmkq

Score

8^/10

discovery

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2320	6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp
392	授权-20221118.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\我的程序\unins000.dat	6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp
File created	C:\Program Files (x86)\我的程序\is-VMN5V.tmp	6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp
File opened for modification	C:\Program Files (x86)\我的程序\is-VMN5V.tmp	6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp
File created	C:\Program Files (x86)\我的程序\is-0QJN8.tmp	6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp
File opened for modification	C:\Program Files (x86)\我的程序\unins000.dat	6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp
File opened for modification	C:\Program Files (x86)\我的程序\授权-20221118.exe	6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2320	6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp
2320	6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp
392	授权-20221118.exe
392	授权-20221118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	392	授权-20221118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2320	6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4352 wrote to memory of 2320	4352	6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.exe	80
PID 4352 wrote to memory of 2320	4352	6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.exe	80
PID 4352 wrote to memory of 2320	4352	6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.exe	80
PID 2320 wrote to memory of 392	2320	6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp	81
PID 2320 wrote to memory of 392	2320	6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp	81
PID 2320 wrote to memory of 392	2320	6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp	81

C:\Users\Admin\AppData\Local\Temp\6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.exe
"C:\Users\Admin\AppData\Local\Temp\6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4352
- C:\Users\Admin\AppData\Local\Temp\is-I19AD.tmp\6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-I19AD.tmp\6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp" /SL5="$50060,11648362,718848,C:\Users\Admin\AppData\Local\Temp\6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2320
- - C:\Program Files (x86)\我的程序\授权-20221118.exe
    "C:\Program Files (x86)\我的程序\授权-20221118.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:392

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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:\Program Files (x86)\我的程序\授权-20221118.exe

Filesize
16.4MB

MD5
99057a7b457ce8be7dd4b1251d8b634e

SHA1
7e8e00b277089fc23b7517c8576b61e428921801

SHA256
895834ac4ba3e6c9902cacbf245ccc179630edcf731a62b8947791b30827cda6

SHA512
9663e9912d4e344b0ca94894931f1b94a63d6728411d4212c7a58ac38a8b1bbee8ece0f7a18bb12ef87d2621145f288c30fbd97be9cfcd64e132207083b61d42

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-I19AD.tmp\6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp

Filesize
2.4MB

MD5
afcb0ce52f3275932bbe693168cbec61

SHA1
aaaaa41948d3984112f6e488c3be447069dc516d

SHA256
09e32653389d6b965db754a9edd5f45e782fdb4f19e25a23209e5aac71598e68

SHA512
a10416d6825f8a5db60cccc04cfa3de08f64e309d25078a4ec3c42a626d6b1575666cf965f1cc40a645f332d00bbafff522dcbea1851d09aea444f6ca60d0416

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-I19AD.tmp\6313918c86ae2369f9e959f3a5754b904fa15d3658e026f91fbcb562bd361f0b.tmp

Filesize
2.4MB

MD5
afcb0ce52f3275932bbe693168cbec61

SHA1
aaaaa41948d3984112f6e488c3be447069dc516d

SHA256
09e32653389d6b965db754a9edd5f45e782fdb4f19e25a23209e5aac71598e68

SHA512
a10416d6825f8a5db60cccc04cfa3de08f64e309d25078a4ec3c42a626d6b1575666cf965f1cc40a645f332d00bbafff522dcbea1851d09aea444f6ca60d0416

Download Submit
memory/392-140-0x0000000003460000-0x00000000034EB000-memory.dmp

Filesize
556KB

Download
memory/4352-132-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4352-137-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4352-141-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download

Analysis

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