metamorpherrat | 6f12e6c42d157af7dd0c97eecea698a1f13318a7cb7b6efdacdaef4796ea79d9

General

Target

4c7da96656ee300ebfaa7a10b04b4840N.exe
Size

78KB
MD5

4c7da96656ee300ebfaa7a10b04b4840
SHA1

91cf092ba72cdea7021116313336465cfc109d88
SHA256

6f12e6c42d157af7dd0c97eecea698a1f13318a7cb7b6efdacdaef4796ea79d9
SHA512

99aa52713cebd5f3158af74dfcce30f22d46672a63a328f3976b15059dc819ccf6c1bb380001ea38b8b5572da3d8b40dddf5eb711cb6404bbc75d80ca230f9e8
SSDEEP

1536:g5jSfXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQty6a59/Pn1de:g5jS/SyRxvhTzXPvCbW2U49/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

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	4c7da96656ee300ebfaa7a10b04b4840N.exe

Executes dropped EXE 1 IoCs

pid	Process
2036	tmpA71D.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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpA71D.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	4c7da96656ee300ebfaa7a10b04b4840N.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	tmpA71D.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	464	4c7da96656ee300ebfaa7a10b04b4840N.exe
Token: SeDebugPrivilege	2036	tmpA71D.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 5108	464	4c7da96656ee300ebfaa7a10b04b4840N.exe	86
PID 464 wrote to memory of 5108	464	4c7da96656ee300ebfaa7a10b04b4840N.exe	86
PID 464 wrote to memory of 5108	464	4c7da96656ee300ebfaa7a10b04b4840N.exe	86
PID 5108 wrote to memory of 1784	5108	vbc.exe	90
PID 5108 wrote to memory of 1784	5108	vbc.exe	90
PID 5108 wrote to memory of 1784	5108	vbc.exe	90
PID 464 wrote to memory of 2036	464	4c7da96656ee300ebfaa7a10b04b4840N.exe	91
PID 464 wrote to memory of 2036	464	4c7da96656ee300ebfaa7a10b04b4840N.exe	91
PID 464 wrote to memory of 2036	464	4c7da96656ee300ebfaa7a10b04b4840N.exe	91

C:\Users\Admin\AppData\Local\Temp\4c7da96656ee300ebfaa7a10b04b4840N.exe
"C:\Users\Admin\AppData\Local\Temp\4c7da96656ee300ebfaa7a10b04b4840N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:464
- 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\hayu8zya.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5108
- - 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\RESA865.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc22DFBCB1323471982A9DD182527BCA5.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1784
- C:\Users\Admin\AppData\Local\Temp\tmpA71D.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA71D.tmp.exe" C:\Users\Admin\AppData\Local\Temp\4c7da96656ee300ebfaa7a10b04b4840N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2036

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\RESA865.tmp

Filesize
1KB

MD5
77244165d698b8eb5e3ef23b5a6c7e73

SHA1
29ba5b0694278797afa4c2fb9a2a9922ded2d0b2

SHA256
5046593151472467b71260b939101380a068ca7af9ebb30f860892fa84116b30

SHA512
3b4b84625405dfd61e32138b23a6f71e15556d05c3fb0407141866fd6d74f093f7b468e11605e223144ad123a6ed6e5d8b47c53e7953c138882b16058ebf3541

Download Submit
C:\Users\Admin\AppData\Local\Temp\hayu8zya.0.vb

Filesize
14KB

MD5
298509c379cb80f31dedc6add9ff43be

SHA1
3af9f9e1c1f60e222c4b2940f76e7181a060150d

SHA256
d099b50066b19fa2b55ab8db0685e6ee1b35feb2efdbf7e28b7d207aec3b21d7

SHA512
a244c867a81ad3b92672ca70357284d51ae2d863d12690627db7b94ca2bffb0a70abb584df3cf602acaeaccfcb9cadd03b4f42620c683f6ed6af92cb6d620e30

Download Submit
C:\Users\Admin\AppData\Local\Temp\hayu8zya.cmdline

Filesize
266B

MD5
43367837f0bc265a78e73a778c8b36bb

SHA1
c3e0d80f61e0939a91fe0f85a7932b83d1072a4d

SHA256
bf50a6873b72f26f09b156e4702112fec420ddb62298601da93ef88e2d9e7da9

SHA512
ebc58b57974013261d406f21978a4c3b86c47c45dacb6b132b8b760ee8c3384ce2d742e684823ca7c40c03459421e330068383bfdd48ee9412e32ddd32c133cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA71D.tmp.exe

Filesize
78KB

MD5
3e27b3ebeb68759a4d0a53081f6de5b4

SHA1
2ffec5662c27d9a05c3007ed3ca8a35a6f761746

SHA256
775e44b5a7bf8187ec46ba75a0352a6dde5742816a29d857303323a159446788

SHA512
7f7cce08ce4e6358bd737c901a82055beec48e950615d4994a59a64ee7d74cf1d21a9f8cf4b51526fb397b4abf2c60dff9d8ca3d1f501f15ba4f7a0ba20fda43

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc22DFBCB1323471982A9DD182527BCA5.TMP

Filesize
660B

MD5
61b834ae4496eb397d720c8f7e5668e9

SHA1
c56fc5da653f73d16b4efa8eae47de3fbccb5ccb

SHA256
e7a09fd57cb434987d07af19e39463082e05ade9125775ff720592e725a114a5

SHA512
8dccf6b5f3b86ed399b250a9eadcc78cb65bac435531b7d4647852f5d30f50dbd10f9eaf2b7e2899f4309e90c30fb577649dad6ab3cec1ddd759bbdb3389f96c

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/464-1-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/464-2-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/464-0-0x00000000751F2000-0x00000000751F3000-memory.dmp

Filesize
4KB

Download
memory/464-22-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/2036-23-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/2036-24-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/2036-26-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/2036-27-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/2036-28-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/5108-18-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/5108-9-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads