metamorpherrat | 170b5f7340d0fd7b6377fe333e0a0abe95cff3ad14fd192a2159664f53ff2785

General

Target

42153228868d7e181eba1f65682f8e30N.exe
Size

78KB
MD5

42153228868d7e181eba1f65682f8e30
SHA1

5d88cb94379e824723a40d06b2fc98d16a9f349f
SHA256

170b5f7340d0fd7b6377fe333e0a0abe95cff3ad14fd192a2159664f53ff2785
SHA512

a0d0b97e0e976c2dde1fa5ff14efa775a4c6d85b87c28362f0aaf8d95effcd1dc038df9582ff79f2ed7232c0743792454c822263dcebd100eff63efb4ea8dccb
SSDEEP

1536:i5jSBXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC6739/81Cp:i5jSBSyRxvhTzXPvCbW2Uj39/P

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

Executes dropped EXE 1 IoCs

pid	Process
2808	tmp4422.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2264	42153228868d7e181eba1f65682f8e30N.exe
2264	42153228868d7e181eba1f65682f8e30N.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp4422.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	42153228868d7e181eba1f65682f8e30N.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	tmp4422.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2264	42153228868d7e181eba1f65682f8e30N.exe
Token: SeDebugPrivilege	2808	tmp4422.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2796	2264	42153228868d7e181eba1f65682f8e30N.exe	30
PID 2264 wrote to memory of 2796	2264	42153228868d7e181eba1f65682f8e30N.exe	30
PID 2264 wrote to memory of 2796	2264	42153228868d7e181eba1f65682f8e30N.exe	30
PID 2264 wrote to memory of 2796	2264	42153228868d7e181eba1f65682f8e30N.exe	30
PID 2796 wrote to memory of 2248	2796	vbc.exe	32
PID 2796 wrote to memory of 2248	2796	vbc.exe	32
PID 2796 wrote to memory of 2248	2796	vbc.exe	32
PID 2796 wrote to memory of 2248	2796	vbc.exe	32
PID 2264 wrote to memory of 2808	2264	42153228868d7e181eba1f65682f8e30N.exe	33
PID 2264 wrote to memory of 2808	2264	42153228868d7e181eba1f65682f8e30N.exe	33
PID 2264 wrote to memory of 2808	2264	42153228868d7e181eba1f65682f8e30N.exe	33
PID 2264 wrote to memory of 2808	2264	42153228868d7e181eba1f65682f8e30N.exe	33

C:\Users\Admin\AppData\Local\Temp\42153228868d7e181eba1f65682f8e30N.exe
"C:\Users\Admin\AppData\Local\Temp\42153228868d7e181eba1f65682f8e30N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2264
- 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\iffla1no.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2796
- - 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\RES4693.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc4692.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2248
- C:\Users\Admin\AppData\Local\Temp\tmp4422.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp4422.tmp.exe" C:\Users\Admin\AppData\Local\Temp\42153228868d7e181eba1f65682f8e30N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

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

Scripting

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\RES4693.tmp

Filesize
1KB

MD5
8f4866afbec7fa2b32f30bfbbd7674d0

SHA1
a72af75dd60a72d92c46cc97180fa95a6f5d566f

SHA256
b4e9a50b3d5b070f3d88d2078acc3694d984467610b13020382e65df35997ed5

SHA512
34a2490d1b09c0dec9434553e5bb20f850de9d8629e9fbfc865ecb18f31bb98fb9b38539864bd4b92a33a8b3ca517539dabae84ab8b87ca00c6b2e677da77f18

Download Submit
C:\Users\Admin\AppData\Local\Temp\iffla1no.0.vb

Filesize
14KB

MD5
1c79b37e83afb74658a319c584c27c63

SHA1
ad0eb3a211f146487a40c38b2263f5f85390f672

SHA256
adb45d061102493953008125affa7970da36f9921731432a55d4226399fce13f

SHA512
73cfbd0e78f1b0977f7cee6df32e7e7c119b5d61fb2a47c151fa589707f1ea4820f0dbaad2e0aac657d7eb92cb5a55cc34a567d627b75b777cc2671cb025803c

Download Submit
C:\Users\Admin\AppData\Local\Temp\iffla1no.cmdline

Filesize
266B

MD5
a7b08d8770c84609ea4979fca70183c8

SHA1
8139da2738ff8c6a1f70903dc775c6c1d3475d5d

SHA256
98a20507a84b7a9df79ba673f4aac197eb97319ad0073c88626d86a7f78791d1

SHA512
8a9fc206f22080169e3d30359921706a92b68abcf93f821b70356107bfd1e8ce0ec48ff3c8f4a095430adf74570d0b20fb90429520eec8011bf322f7077ac20b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4422.tmp.exe

Filesize
78KB

MD5
0da117a7c9938097a79aa0434db1716c

SHA1
82ba5c7ed1616da335ea10e5cade68e523114961

SHA256
0def37c480e63520878cb163ddf831ce7e5e37287e1923a99db6da0e5ea0aa6a

SHA512
c037f72d48544fdc35988259b77df9de3f14cfd4276c9ed6e2d1040be6b868e9960b67591d61c99becc4bc0cabe63be5707bb2cea94cb68492bf917c2d53ad9f

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc4692.tmp

Filesize
660B

MD5
b3408cf10b0aadaa0fda7d5b50664de1

SHA1
27020b4d6a656a4b89c15dd35713352d68882f54

SHA256
bdc53a1c2654807a2c9e7ae5778fee72ed7a07ae4dc55b491b9584172356cf1f

SHA512
ba4aacedeacc99e5276d428fc96c439888c92b8039dddc17803ac2e3e6619ed76abf530995adedafbdbfa742e52c0ff7ee0bbc3f5c7c3b1855092d77a0debcd0

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/2264-0-0x0000000074B21000-0x0000000074B22000-memory.dmp

Filesize
4KB

Download
memory/2264-1-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2264-2-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2264-24-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2796-8-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download
memory/2796-18-0x0000000074B20000-0x00000000750CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads