metamorpherrat | 0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db

General

Target

0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db.exe
Size

78KB
MD5

cbe97fc8b41dd3ecda90e85e50ab50f1
SHA1

74475a0463f49669371342eb3f519c1910b5fe3e
SHA256

0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db
SHA512

85d4fd9ea269d4b4d01064b49fcdefd93855bdf99ea683331ed656c757082e55f4a2348b7358da86b1bc420e069aaf7c422bbf0743c0fe529b92bd86d7c33820
SSDEEP

1536:eWtHFo6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQteM9/f1LR:eWtHFonhASyRxvhTzXPvCbW2UeM9/f

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

Executes dropped EXE 1 IoCs

pid	Process
2760	tmp92ED.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2488	0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db.exe
2488	0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db.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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp92ED.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	0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db.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	tmp92ED.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2488	0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db.exe
Token: SeDebugPrivilege	2760	tmp92ED.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 1288	2488	0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db.exe	30
PID 2488 wrote to memory of 1288	2488	0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db.exe	30
PID 2488 wrote to memory of 1288	2488	0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db.exe	30
PID 2488 wrote to memory of 1288	2488	0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db.exe	30
PID 1288 wrote to memory of 2176	1288	vbc.exe	32
PID 1288 wrote to memory of 2176	1288	vbc.exe	32
PID 1288 wrote to memory of 2176	1288	vbc.exe	32
PID 1288 wrote to memory of 2176	1288	vbc.exe	32
PID 2488 wrote to memory of 2760	2488	0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db.exe	33
PID 2488 wrote to memory of 2760	2488	0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db.exe	33
PID 2488 wrote to memory of 2760	2488	0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db.exe	33
PID 2488 wrote to memory of 2760	2488	0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db.exe	33

C:\Users\Admin\AppData\Local\Temp\0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db.exe
"C:\Users\Admin\AppData\Local\Temp\0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2488
- 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\g1zvchzn.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1288
- - 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\RES9493.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc9492.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2176
- C:\Users\Admin\AppData\Local\Temp\tmp92ED.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp92ED.tmp.exe" C:\Users\Admin\AppData\Local\Temp\0905ff803421f08a1335498881470ad6a1ea1447bb7afc1bf218ce82b87128db.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2760

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\RES9493.tmp

Filesize
1KB

MD5
71f866b07347cd85fb888a821b2e2248

SHA1
766cc450fb869f9ff392ae078962765525f7b36e

SHA256
9b4475a74af252c77556fc474b8cfced07848785349c9d3bcebe23842a02d628

SHA512
d2c59ae1ebb4218e479d26512cbf165a6e311282a24c3d01c349ac5a9eb9615d71484f4b23154a38d48dc38dac67392442cbc8511315f0e5eaee67f17a0777de

Download Submit
C:\Users\Admin\AppData\Local\Temp\g1zvchzn.0.vb

Filesize
15KB

MD5
5574e7aa1c27ca9d8d2915957c06df90

SHA1
461dd6103283b94d017c6f7b2dc087dbe7052de6

SHA256
7f3a11d2ad11754edbef13055fc934324d6075ebba310ff07047fa1fea8ddef6

SHA512
71ac027d9e885f1811448307e67f6bc9abb8529a37c9ad86cab1d8c6bb1109d904c2768ccf84a2ebc2f0dad11fcbf7828a371df142333ace808e3460e6dc43d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\g1zvchzn.cmdline

Filesize
266B

MD5
93b0b72d2841b3aca97230ef310178ca

SHA1
95fe7560f8c25249a2455d72e9687fd01fe6f3b8

SHA256
56aa58ea173620d1572cc71c900d30750478c64f58266fef694ac566490ba26e

SHA512
f457af4266bb569da9e58c8c3b9db374d8aa4892fa2735058da30c50dc790c0bb3919941b5b95baf93984494bc30a9ab8d6461f3d5143b40d779e528f3e7ff1c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp92ED.tmp.exe

Filesize
78KB

MD5
6abacb12ba54e086616508686a201dfc

SHA1
303ea4f8080cb85a7cda0572f1c9000ca10ce5f5

SHA256
4aeafc16c2b164adeab7c1178128b590fe6da4a357c25b0d63a53455d990bc6d

SHA512
f1cf95a5833860e0a076ec55708d0db41e2d67adebb21ca180e9489d4622701e25b7cd4366d3eed6751e14df8e86605cb741038e5e98a4b632ae513693d59d79

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc9492.tmp

Filesize
660B

MD5
5e41b0b937a453c32b5e235421c1f00c

SHA1
a1a51cf15ab6910d01be111ded6b28202eaead90

SHA256
b7b00d1114312fbafbf42cf5cc1c0b084fb5df0313bc8d529377f1486806bec6

SHA512
b88d72908634c6ac2b8c8ac81f54d7bbb7075edd6802d0f4659535c464f315a82f03fcb560fffa6279eacfefe741fb2f722fd055177dd2a1268b212ff5657cf2

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1288-8-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/1288-18-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2488-0-0x0000000074951000-0x0000000074952000-memory.dmp

Filesize
4KB

Download
memory/2488-1-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2488-2-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2488-24-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads