metamorpherrat | f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751

General

Target

f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751.exe
Size

78KB
MD5

558aa0c0dd943b4874c510bbfab3af85
SHA1

060347d6e8a9dd5619c48349c2a1abb5e846fd5d
SHA256

f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751
SHA512

8316a939211f7242bbf21fdf35569a4e29ae3cc5eee717e8ed58d5d20c678fe4fb5c43698727299d4939708856562dea45a24b2512a396ad7a96d5be1ed49536
SSDEEP

1536:UV5jS5XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQty689/51on:UV5jSpSyRxvhTzXPvCbW2Uk9/e

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

Deletes itself 1 IoCs

pid	Process
1148	tmpC284.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
1148	tmpC284.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2112	f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751.exe
2112	f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpC284.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	f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751.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	tmpC284.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751.exe
Token: SeDebugPrivilege	1148	tmpC284.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2344	2112	f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751.exe	30
PID 2112 wrote to memory of 2344	2112	f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751.exe	30
PID 2112 wrote to memory of 2344	2112	f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751.exe	30
PID 2112 wrote to memory of 2344	2112	f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751.exe	30
PID 2344 wrote to memory of 2108	2344	vbc.exe	32
PID 2344 wrote to memory of 2108	2344	vbc.exe	32
PID 2344 wrote to memory of 2108	2344	vbc.exe	32
PID 2344 wrote to memory of 2108	2344	vbc.exe	32
PID 2112 wrote to memory of 1148	2112	f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751.exe	33
PID 2112 wrote to memory of 1148	2112	f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751.exe	33
PID 2112 wrote to memory of 1148	2112	f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751.exe	33
PID 2112 wrote to memory of 1148	2112	f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751.exe	33

C:\Users\Admin\AppData\Local\Temp\f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751.exe
"C:\Users\Admin\AppData\Local\Temp\f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112
- 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\vwab4lok.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2344
- - 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\RESC498.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcC497.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2108
- C:\Users\Admin\AppData\Local\Temp\tmpC284.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpC284.tmp.exe" C:\Users\Admin\AppData\Local\Temp\f7f4bea88a1585dcef3b51e99c722960e01ba822bd8df5c6c546dac1cec07751.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1148

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\RESC498.tmp

Filesize
1KB

MD5
4c9b060d6117e19fab58b72345d7d5a3

SHA1
6cc7a35fda4b359b0dd5cc467b077be89b3d51e6

SHA256
2fe247725f761b1801d4e7f493e5bd9a91d6fee28400d98967b2f14554568e6d

SHA512
f4d58d523dbf8382f964004afd4644e93f44ba50db33a642ec9fd4669047c3d2c832acdf8c8d474fe6b874d7103b004e649936b39a9844fff4e43d125af0bc7d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC284.tmp.exe

Filesize
78KB

MD5
e853b85f28f718f4e65f3c17bef3f3d9

SHA1
eb1c88368a4b3f7881b331c32e8f7de72baa4aa1

SHA256
407e8a63867a0f5cacdd4f0c8af5bc560b7d2de6ae3558109a2a9ef597d7a935

SHA512
6262ae595b468df4a5e210cc91fa376883411c6e9df865531cece273546cdddc77ae24eb8233170b697691679f12430a498c0ccbc526f93b2cb59dc9b8dd4eff

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcC497.tmp

Filesize
660B

MD5
9c3ac29eae6af1a586731edd9baab894

SHA1
398459ce53eef68a8b87c1ae3a7beb2688309951

SHA256
82cb8d0855e20a21d5dbc6889908884f4529ddbb21e9b795687b728283692b9d

SHA512
42cd2dcd5e1212d3db3c7e42bb13d550133a870530b98f7c7c5ad7be583bcf726b5b9e8b00ac758913e4978b374756862eea4bc26aa8bbeb1e57d24744e6a4e7

Download Submit
C:\Users\Admin\AppData\Local\Temp\vwab4lok.0.vb

Filesize
14KB

MD5
c4b079815e784f03707fc8115163e9f4

SHA1
bdae512cbf017360da7d5af01ffe15f1810ce961

SHA256
09829128016a09beae4dcdc810bbaa7cee5d34e6e91165ee2b912a2d57f6f56f

SHA512
06824e0a4b461fc3653923ff7f2a54b1706f94ae50f08ffdb1e4c77f3340796c80cea19969c3182b4e7aec019c2a27edbe8036108bf80d443be56479f484de20

Download Submit
C:\Users\Admin\AppData\Local\Temp\vwab4lok.cmdline

Filesize
266B

MD5
6fbe7b1e1d61e43fbea99f4ceb7a347e

SHA1
5b80364e9c5fba091fe92ce1b05f9d1eee340e40

SHA256
b21fb24f560e23f1005066f2b0e4dc55627695e7e27ff0546ac956194de5ec5a

SHA512
dd9ba6f545609fa81b38a67b18b54e6a54d9f0c204edb742c471a41e8ea664543b0a1671a9c760d2c665000eacde3f6a90f43231e8b7788910f964e7d88bf176

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/2112-0-0x0000000074771000-0x0000000074772000-memory.dmp

Filesize
4KB

Download
memory/2112-1-0x0000000074770000-0x0000000074D1B000-memory.dmp

Filesize
5.7MB

Download
memory/2112-6-0x0000000074770000-0x0000000074D1B000-memory.dmp

Filesize
5.7MB

Download
memory/2112-23-0x0000000074770000-0x0000000074D1B000-memory.dmp

Filesize
5.7MB

Download
memory/2344-8-0x0000000074770000-0x0000000074D1B000-memory.dmp

Filesize
5.7MB

Download
memory/2344-18-0x0000000074770000-0x0000000074D1B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads