a8d00e3c8db9ca168db580afe0e81eec9ab97d34d25255264121bc22390ddb9d

Analysis

max time kernel
149s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
28/10/2022, 22:30

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General

Target

a8d00e3c8db9ca168db580afe0e81eec9ab97d34d25255264121bc22390ddb9d.exe
Size

724KB
MD5

0596b32ea0b4c9ebb7882097f98e59a0
SHA1

0ce143f17a7633a2d5d6e5d30f283fabd0160e07
SHA256

a8d00e3c8db9ca168db580afe0e81eec9ab97d34d25255264121bc22390ddb9d
SHA512

4f96759eab943b32e13ec80ba07a2421cf264622953e7bf9cc76992a7b7317e465721ffe2bc54fa3b0e113006c2a4539afde44288590b79f9f3eb8ec2666655c
SSDEEP

12288:71/aGLDCMNpNAkoSzZWD8ayX2MQCw7D0zhDZXE8dAm//dyM4Ow7fGHoBWwy+Dtns:71/aGLDCM4D8ayGM3dZqm/4s

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2012	ehnef.exe

Loads dropped DLL 2 IoCs

pid	Process
1048	a8d00e3c8db9ca168db580afe0e81eec9ab97d34d25255264121bc22390ddb9d.exe
1048	a8d00e3c8db9ca168db580afe0e81eec9ab97d34d25255264121bc22390ddb9d.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\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\ProgramData\\ehnef.exe"	ehnef.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2012	1048	a8d00e3c8db9ca168db580afe0e81eec9ab97d34d25255264121bc22390ddb9d.exe	27
PID 1048 wrote to memory of 2012	1048	a8d00e3c8db9ca168db580afe0e81eec9ab97d34d25255264121bc22390ddb9d.exe	27
PID 1048 wrote to memory of 2012	1048	a8d00e3c8db9ca168db580afe0e81eec9ab97d34d25255264121bc22390ddb9d.exe	27
PID 1048 wrote to memory of 2012	1048	a8d00e3c8db9ca168db580afe0e81eec9ab97d34d25255264121bc22390ddb9d.exe	27

C:\Users\Admin\AppData\Local\Temp\a8d00e3c8db9ca168db580afe0e81eec9ab97d34d25255264121bc22390ddb9d.exe
"C:\Users\Admin\AppData\Local\Temp\a8d00e3c8db9ca168db580afe0e81eec9ab97d34d25255264121bc22390ddb9d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1048
- C:\ProgramData\ehnef.exe
  "C:\ProgramData\ehnef.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:2012

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Saaaalamm\Mira.h

Filesize
269KB

MD5
d882647ae95e92c82bd66478d7043df3

SHA1
52f1b2c5ff9fe97ade8a034c1df965b21b6f2008

SHA256
93ba5be8e47ad44f8d31ff6b142e6c21de473b5c725e8b798279f8b0f31d4232

SHA512
ec1416cd7b9d251d6c687c87d3626a4b1879debd50d69050a8be6f01475d53f022919aa1a0cb56e14bd6eae316259c2681eb5bc9ad0e01ed909d9aba0a52dce2

Download Submit
C:\ProgramData\Saaaalamm\Mira.h

Filesize
269KB

MD5
d882647ae95e92c82bd66478d7043df3

SHA1
52f1b2c5ff9fe97ade8a034c1df965b21b6f2008

SHA256
93ba5be8e47ad44f8d31ff6b142e6c21de473b5c725e8b798279f8b0f31d4232

SHA512
ec1416cd7b9d251d6c687c87d3626a4b1879debd50d69050a8be6f01475d53f022919aa1a0cb56e14bd6eae316259c2681eb5bc9ad0e01ed909d9aba0a52dce2

Download Submit
C:\ProgramData\ehnef.exe

Filesize
454KB

MD5
2b557a8b4fb506d3384b27a834687795

SHA1
85d153afb835365df7e20005cd856757e74248a7

SHA256
b63d5309f09743d170275e29f6936ca3fd888e869696bf7c04d68c4d1f8d01b5

SHA512
a109165fea096d2dca739552fc6f7dc15665f45dff16ea77583641d46db4f8b95ceeef2779d95692d1f47f28812aced0b3dc275c8e3b547b74d12a3587855ad6

Download Submit
C:\ProgramData\ehnef.exe

Filesize
454KB

MD5
2b557a8b4fb506d3384b27a834687795

SHA1
85d153afb835365df7e20005cd856757e74248a7

SHA256
b63d5309f09743d170275e29f6936ca3fd888e869696bf7c04d68c4d1f8d01b5

SHA512
a109165fea096d2dca739552fc6f7dc15665f45dff16ea77583641d46db4f8b95ceeef2779d95692d1f47f28812aced0b3dc275c8e3b547b74d12a3587855ad6

Download Submit
\ProgramData\ehnef.exe

Filesize
454KB

MD5
2b557a8b4fb506d3384b27a834687795

SHA1
85d153afb835365df7e20005cd856757e74248a7

SHA256
b63d5309f09743d170275e29f6936ca3fd888e869696bf7c04d68c4d1f8d01b5

SHA512
a109165fea096d2dca739552fc6f7dc15665f45dff16ea77583641d46db4f8b95ceeef2779d95692d1f47f28812aced0b3dc275c8e3b547b74d12a3587855ad6

Download Submit
\ProgramData\ehnef.exe

Filesize
454KB

MD5
2b557a8b4fb506d3384b27a834687795

SHA1
85d153afb835365df7e20005cd856757e74248a7

SHA256
b63d5309f09743d170275e29f6936ca3fd888e869696bf7c04d68c4d1f8d01b5

SHA512
a109165fea096d2dca739552fc6f7dc15665f45dff16ea77583641d46db4f8b95ceeef2779d95692d1f47f28812aced0b3dc275c8e3b547b74d12a3587855ad6

Download Submit
memory/1048-54-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/1048-62-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download