639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45

Analysis

max time kernel
256s
max time network
331s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
02/12/2022, 22:17

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General

Target

639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe
Size

961KB
MD5

211dd3edcdee0fae6b11f1b97c544a40
SHA1

d7dc2a5cfe563764d282db3f78c89a346948eabe
SHA256

639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45
SHA512

7214e34569f4cf44c7c15a921ae09c84116bcbdaeabf4b4ba0f0b0aea41461fb2eca1040a44b53715c8b53d3ff9648554ef8f3394bbfd809699cad944a8a3534
SSDEEP

24576:B2uFhCwUuqDluBMfEhJX3z5mKhwbLerYY5mX:JhxqDosEL3F/w+rYMmX

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe
1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe

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 1 IoCs

pid	Process
1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 436	1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe	28
PID 1888 wrote to memory of 436	1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe	28
PID 1888 wrote to memory of 436	1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe	28
PID 1888 wrote to memory of 436	1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe	28
PID 1888 wrote to memory of 436	1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe	28
PID 1888 wrote to memory of 436	1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe	28
PID 1888 wrote to memory of 436	1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe	28
PID 1888 wrote to memory of 1684	1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe	30
PID 1888 wrote to memory of 1684	1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe	30
PID 1888 wrote to memory of 1684	1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe	30
PID 1888 wrote to memory of 1684	1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe	30
PID 1888 wrote to memory of 1684	1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe	30
PID 1888 wrote to memory of 1684	1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe	30
PID 1888 wrote to memory of 1684	1888	639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe	30

C:\Users\Admin\AppData\Local\Temp\639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe
"C:\Users\Admin\AppData\Local\Temp\639736850daf3b0b427849ceb585164764a9eb472a68528d7089c5610d2dbc45.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "C:\ProgramData\smes\u.bat"
  2⤵
  PID:436
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\temg_tmp.bat"
  2⤵
  PID:1684

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\smes\u.bat

Filesize
44B

MD5
704efba1aee1454561da552dda430498

SHA1
d20fb96683f769eb9cef1b0a068bcba70aeab9c2

SHA256
80b08d35bd27636e0774ce35ab57306f76edc6a0f7058cb1f93733cdf88bf94c

SHA512
7e0c9ede686238703af4893af8842c05c48ab1681ae273b32d8085cf1a17aae946c0c823a0a418787522a551d684367259ff8203ebca6e4ec69b6ded95231bd0

Download Submit
C:\Users\Admin\AppData\Local\Temp\temg_tmp.bat

Filesize
153B

MD5
98d45edc17f6587b0637805bf5b5f080

SHA1
1483d3d8587189a6cf8065015aef5c62e990c2aa

SHA256
d93e5e9ba960dd9a0b5315cf57437a0521acc540703bdacc8b46530572292b73

SHA512
dc26a8ecf823c60fa6605fcecb4b0b83d876a7c559ccbe2eada3e1c34ef6df5d4dcee0897fc2fb2449499c0018e56f6aaeacd12c704af503b5d1ca79ea9fe29c

Download Submit
\Users\Admin\AppData\Local\Temp\nseE3DB.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nseE3DB.tmp\FindProcDLL.dll

Filesize
3KB

MD5
8614c450637267afacad1645e23ba24a

SHA1
e7b7b09b5bbc13e910aa36316d9cc5fc5d4dcdc2

SHA256
0fa04f06a6de18d316832086891e9c23ae606d7784d5d5676385839b21ca2758

SHA512
af46cd679097584ff9a1d894a729b6397f4b3af17dff3e6f07bef257bc7e48ffa341d82daf298616cd5df1450fc5ab7435cacb70f27302b6db193f01a9f8391b

Download Submit
memory/1888-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/1888-56-0x0000000010000000-0x0000000010003000-memory.dmp

Filesize
12KB

Download