metamorpherrat | 26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9

General

Target

26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9.exe
Size

78KB
MD5

790d0326246a8ab6fc4adb98ec27ea4a
SHA1

70816ddf9fded00157b9fda700e0c1ab36f230f4
SHA256

26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9
SHA512

973902ccb7693b191e4936dbbae44c6a56f52bf1ced9c4960905b3a783fda1bb6c0636febf82bb69c9556ec5143ce9be7d158fa53b072e4b7718e69e3369cad5
SSDEEP

1536:zWtHF3M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtev9/O1NN:zWtHF8hASyRxvhTzXPvCbW2Uev9/o

Score

10^/10

metamorpherrat discovery persistence rat stealer trojan

Malware Config

Signatures

MetamorpherRAT
Metamorpherrat is a hacking tool that has been around for a while since 2013.
trojan rat stealer metamorpherrat
Metamorpherrat family
metamorpherrat

Executes dropped EXE 1 IoCs

pid	Process
2796	tmpE4F2.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1732	26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9.exe
1732	26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpE4F2.tmp.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpE4F2.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1732	26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9.exe
Token: SeDebugPrivilege	2796	tmpE4F2.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2824	1732	26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9.exe	31
PID 1732 wrote to memory of 2824	1732	26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9.exe	31
PID 1732 wrote to memory of 2824	1732	26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9.exe	31
PID 1732 wrote to memory of 2824	1732	26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9.exe	31
PID 2824 wrote to memory of 2652	2824	vbc.exe	33
PID 2824 wrote to memory of 2652	2824	vbc.exe	33
PID 2824 wrote to memory of 2652	2824	vbc.exe	33
PID 2824 wrote to memory of 2652	2824	vbc.exe	33
PID 1732 wrote to memory of 2796	1732	26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9.exe	34
PID 1732 wrote to memory of 2796	1732	26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9.exe	34
PID 1732 wrote to memory of 2796	1732	26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9.exe	34
PID 1732 wrote to memory of 2796	1732	26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9.exe	34

C:\Users\Admin\AppData\Local\Temp\26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9.exe
"C:\Users\Admin\AppData\Local\Temp\26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\zvinzssp.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESE5BE.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcE5BD.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2652
- C:\Users\Admin\AppData\Local\Temp\tmpE4F2.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpE4F2.tmp.exe" C:\Users\Admin\AppData\Local\Temp\26303b3203438716d2073688a6858ebe01dd731ecb0e3c72d4299913a02480d9.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RESE5BE.tmp

Filesize
1KB

MD5
adb2dc4a2ca187a418dca9e3cc3ec0c2

SHA1
406ccde6b74447e7b319603cc12104f7ba96546e

SHA256
2156f5d3f8f6465bf7097312bdd224704490875bc6ef333033fe8f80bd85a8dd

SHA512
365af6534ee8337a32c784c65601e03f541452c7dc2a7f117bd4b90a5157dd537f05cb475fee383d1fcdff257dd5df960010c43f88e37b8182d633cf19bd2bb8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE4F2.tmp.exe

Filesize
78KB

MD5
aa71aeba6836ac5f19f9efc81363c609

SHA1
78a05ae52cfcd198542e4d5f6649e54545605b8a

SHA256
2c6388826e1b109beaaacd49c8bb9e8a08e64ceb1bf85ccd37b70b1ae672a05c

SHA512
dc057905ae805eb55538628e7c341605a5e5547e2fd8a49aefe5b51bfbca5011c78c375d9d516e6b14c52ab00bf8bc92d5b0a4d08bbceeb083aaea7d8d833ad1

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcE5BD.tmp

Filesize
660B

MD5
1a52543ba6f45779be0ae572aa3dcd16

SHA1
da15ca69307a0780c6d26d47f4d602f7775ad6ad

SHA256
1eceef59489c3bf242168aa6d9e2f0e0168437b6687ebce3b36821b5b2bc1d32

SHA512
b4beaab9ab5ade2ff3904f31ab2ffde5ef54fbe53b987351effed5e3a1a5aa2bc96b408904d4cdf9c23b39045803b3fc7b3afef8eda1c0ecea93ebe1a60834ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\zCom.resources

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
C:\Users\Admin\AppData\Local\Temp\zvinzssp.0.vb

Filesize
15KB

MD5
55ffc22e0a3b0179f9519d6a2de0cbb9

SHA1
daf204c74508dbb1614a9eaeb92f2c2d3ad4877d

SHA256
e197605f73a3838bc0698a9b5f2282036bde3e59ab87d723e0f7f4595d7f26bb

SHA512
bdd74a03daeb43fa375f8c4bfc7351cb3923c4e37dcaafc5857e89889148beca09ae13078e81d5648c2615f66c53d928dfa394498407703896b8e0de537ebcb5

Download Submit
C:\Users\Admin\AppData\Local\Temp\zvinzssp.cmdline

Filesize
266B

MD5
df14939c0f87b155cf6af8fc35389774

SHA1
374de41139634ef649156605fa7ec9f15158835d

SHA256
cd4f838369e883c8cd55655dcc28736ca0b8ecb91bcdd9a6413181ed456becce

SHA512
74ecffd363a2dc2065e5fb82ed2e2e89398cb047aa34b51b3794ec95baa9e19ee658b86ec7636204d07bb4ed9f7403e6bf2ca654f25a6859f817eafad908f515

Download Submit
memory/1732-0-0x0000000074571000-0x0000000074572000-memory.dmp

Filesize
4KB

Download
memory/1732-1-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/1732-2-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/1732-24-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-8-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-18-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads