metamorpherrat | 4fd10fb5a263b5173a4564997ea2bfc8809d55dc48428285df5c6185d75c9233

General

Target

b47a657e255ad46a538867218bf63820N.exe
Size

78KB
MD5

b47a657e255ad46a538867218bf63820
SHA1

8a045dacc1ff2dab0e45859f7845e4e1f6b9fcbb
SHA256

4fd10fb5a263b5173a4564997ea2bfc8809d55dc48428285df5c6185d75c9233
SHA512

3a53a7efb5fedafa31c4ce55ddcb8582e7826780cc757b1707e60b447ffa5dec5004ebb259c20cf881cf61a3f34d04414b12b051eb660f1a86701ed2533883bb
SSDEEP

1536:ePWtHY6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtN9/iA1LYj:ePWtHYnhASyRxvhTzXPvCbW2UN9/in

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	b47a657e255ad46a538867218bf63820N.exe

Deletes itself 1 IoCs

pid	Process
2872	tmp6765.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
2872	tmp6765.tmp.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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp6765.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	tmp6765.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b47a657e255ad46a538867218bf63820N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3148	b47a657e255ad46a538867218bf63820N.exe
Token: SeDebugPrivilege	2872	tmp6765.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3148 wrote to memory of 2016	3148	b47a657e255ad46a538867218bf63820N.exe	85
PID 3148 wrote to memory of 2016	3148	b47a657e255ad46a538867218bf63820N.exe	85
PID 3148 wrote to memory of 2016	3148	b47a657e255ad46a538867218bf63820N.exe	85
PID 2016 wrote to memory of 3948	2016	vbc.exe	88
PID 2016 wrote to memory of 3948	2016	vbc.exe	88
PID 2016 wrote to memory of 3948	2016	vbc.exe	88
PID 3148 wrote to memory of 2872	3148	b47a657e255ad46a538867218bf63820N.exe	89
PID 3148 wrote to memory of 2872	3148	b47a657e255ad46a538867218bf63820N.exe	89
PID 3148 wrote to memory of 2872	3148	b47a657e255ad46a538867218bf63820N.exe	89

C:\Users\Admin\AppData\Local\Temp\b47a657e255ad46a538867218bf63820N.exe
"C:\Users\Admin\AppData\Local\Temp\b47a657e255ad46a538867218bf63820N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3148
- 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\vix_4u1j.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2016
- - 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\RES685F.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc62AE0DB57664452686B82F938A3683B.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3948
- C:\Users\Admin\AppData\Local\Temp\tmp6765.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp6765.tmp.exe" C:\Users\Admin\AppData\Local\Temp\b47a657e255ad46a538867218bf63820N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2872

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

Query Registry

1

T1012

System Information Discovery

2

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\RES685F.tmp

Filesize
1KB

MD5
ad7e0a2608ec66c5b412634c8bb98148

SHA1
cd6cff36cf2625f844b7db148166fde062de0fea

SHA256
9d8df3fc0f36cc4bc86611d98bda561f3338fbb9b538b6df565b59c61ec3cae7

SHA512
b821c1b3f977efc29f9766ca5e9572554e6307c3df7a557a363a4a5d172ae2fb41724b0e7c132be8e1613c3dfaa581797262fe8a13ad6c6394a42ea15bab3ba7

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6765.tmp.exe

Filesize
78KB

MD5
f16874186399086a0f0161d2afb195cf

SHA1
2a0c195655f9cfc153fdb17ab7843b612b5abb5b

SHA256
7c71607c65bd885a142ad01f2f3b8dea61baf3817aa0cb1cf3a6497343ee9c54

SHA512
1beb37f783f0adc5ba2d40d76a194e64d2d0a6def5d9e2bcc08ffd57601bd9af19fc4c7e0146920961cd375e5587715e75b5ce999d44e9a21215d8c7c632c2b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc62AE0DB57664452686B82F938A3683B.TMP

Filesize
660B

MD5
7c10346fa1c43573cc08b20d37179d0b

SHA1
a8deb731f977b70213c6923bd65fda7ba1f619b1

SHA256
624ae2845f39432562fb9aabfddcbfabe5d836cdf04eea8f947611f1a5afd615

SHA512
8e015b3d7cff1e50a7602871ee18b48e309dcbe81ae4206ad1dd3c2d2455dd49b64eadb7d9234836df1d602a322ce5f19339d201f30bf13c81116cb73d4f15e0

Download Submit
C:\Users\Admin\AppData\Local\Temp\vix_4u1j.0.vb

Filesize
15KB

MD5
999c5c398adac84e97ca9e615c9df886

SHA1
8792154970d7cfedc9f49ab81469fa84b723949c

SHA256
82cdebc700e684fb4e6d05999fe2369885eb3b558728e9e2ddffc929a90397f7

SHA512
7208ae483467d102b504b1c8a061c46749ef080b27e86e22ba114671e1e0fdb30cb2f7c32f98440554b91566cc71744a8e15501e72b1845ca4c84dbc6bb3e2ce

Download Submit
C:\Users\Admin\AppData\Local\Temp\vix_4u1j.cmdline

Filesize
266B

MD5
88fba15237794c7c9d5c9228cc587940

SHA1
a8e43cba2c9a69ba7c54484043b7f73627050145

SHA256
c673b504b8c0279667631422314d0be39e8e5ef7b6287eef0d8d3ddbcef77010

SHA512
f0475d86df3d9d53999d407e492cf4ad892fc18c33d6e2b2d49885d7dce429abebb3ceed87b298ddf0eeadbc537ba4eca1c5149c73941b875c42187cf6584a62

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/2016-9-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/2016-18-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/2872-23-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/2872-24-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/2872-25-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/2872-27-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/2872-28-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/2872-29-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/3148-0-0x0000000075032000-0x0000000075033000-memory.dmp

Filesize
4KB

Download
memory/3148-2-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/3148-1-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/3148-22-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads