metamorpherrat | 4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27

General

Target

4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe
Size

78KB
MD5

f087f48ca7dbe075208a9857f2da67f0
SHA1

eba1417348a65af6b5c950e8b7c632ecdbf2cd6b
SHA256

4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27
SHA512

34ae56909de0f66a9b2a7416456970ee5624dfc940958f986a85074c8c9fdcac8d7e5cc6d467279dc6479e3fd4e1d49f6d8591b82688a2395626e327138b8334
SSDEEP

1536:be58fXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQty6g9/0xE21J7:be58/SyRxvhTzXPvCbW2UY9/0

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
2780	tmpF019.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1600	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe
1600	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpF019.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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpF019.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe
Token: SeDebugPrivilege	2780	tmpF019.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 2736	1600	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe	30
PID 1600 wrote to memory of 2736	1600	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe	30
PID 1600 wrote to memory of 2736	1600	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe	30
PID 1600 wrote to memory of 2736	1600	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe	30
PID 2736 wrote to memory of 2648	2736	vbc.exe	32
PID 2736 wrote to memory of 2648	2736	vbc.exe	32
PID 2736 wrote to memory of 2648	2736	vbc.exe	32
PID 2736 wrote to memory of 2648	2736	vbc.exe	32
PID 1600 wrote to memory of 2780	1600	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe	33
PID 1600 wrote to memory of 2780	1600	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe	33
PID 1600 wrote to memory of 2780	1600	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe	33
PID 1600 wrote to memory of 2780	1600	4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe	33

C:\Users\Admin\AppData\Local\Temp\4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe
"C:\Users\Admin\AppData\Local\Temp\4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1600
- 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\yqektupv.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2736
- - 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\RESF0E5.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcF0E4.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2648
- C:\Users\Admin\AppData\Local\Temp\tmpF019.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpF019.tmp.exe" C:\Users\Admin\AppData\Local\Temp\4f6123bee202f302bada336f2653a387103bdd1fe60ee5bdd7af60096fe09e27N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2780

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\RESF0E5.tmp

Filesize
1KB

MD5
44c69b1924b1d995fc11e3969d4b30c0

SHA1
750321492cb992d3f37bd2f27ba7476bdfe5b4c9

SHA256
ce3bbd114786abffc153ae90a0b326356150795c838f46965ca0a21a00785397

SHA512
2bbf7626828053b53be06cb24500e12526286ebc272b6ab4346f06c950a67f6943028d55af326ed5f94797e5159c65e95d29efaaf57a5a92c9b618127b32ec50

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF019.tmp.exe

Filesize
78KB

MD5
868317c156a30eda7fec73117817930b

SHA1
93e9caa291fbecf827f9007cda68f453b9e1acc4

SHA256
3228c60b7c19bb4a7a03aeba68609d6fed98a732d762d80257cb25a6be33dda8

SHA512
ee28fb7bd95f79ff895496caa058a1254185d258df75dd6863943df298139b998969d115b45baf498a8a30afab4e70da992a3f71e910ddeaf5242ff92c1a5454

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcF0E4.tmp

Filesize
660B

MD5
e04e31eb0465d3a21a06412bbaac4a63

SHA1
75bff5d9a2b5c5840c9c4e8a2fe27097310801bf

SHA256
ced5d23f87275145dfaa52fc42a1ef227d57b4006d106bf238a83314def09fcb

SHA512
ca5112189e97708f67846e4d814d76452aec444a219c421713973d70403f304b7d8782f1a2f9e32c1f6bfcb7f488c63e74b6954e368276fe4960fedd945f305e

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

Filesize
14KB

MD5
e459f0372f7de5062393b7a199ff8aca

SHA1
7a265d2acfe12d792e386a78a2202c871ab11a02

SHA256
7baab619e2ff4a437ac3043838a06e94db07e7849a008d0eed1030aa2657df22

SHA512
5abfab645df23fbcddb298e48e6b310a373072648e805e42bd85c9b09a9fad2307c0c2571542dc9bb795003e155aee12ce2aae87151e6f26a4faf310f5d944ff

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

Filesize
266B

MD5
df18069598a1330f2ec5f5b4d0d0db9f

SHA1
cf6473d72c9ca7d85fff06bf2682a8717ce6eec3

SHA256
dfd8560c48949e2d94456d0697a6dae75f05b65cd9d4b69b187cc539dafa6349

SHA512
0cf768c7c581170cd1237fca0632b287e067066d6ac25fc58f2abe3771870ffe5c531017934b67123bc49f52f872e81efc6b39a0fa02c8eb1aa38f4fd38f033d

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1600-0-0x0000000074051000-0x0000000074052000-memory.dmp

Filesize
4KB

Download
memory/1600-1-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/1600-2-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/1600-24-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2736-8-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2736-18-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads