metamorpherrat | 19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399

General

Target

19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399N.exe
Size

78KB
MD5

1d43c6117a4a3c1ce57e284755e05470
SHA1

f42fdd400ea16703788f856c581f935924ff9be4
SHA256

19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399
SHA512

2741c5fd9a98e9e1e71c866fa75e4e5024385ed0e41c34ad0e9b5341eda839935e42219900522a80a9eef649789f9e9f510917821b7bbf2181d95e9d7a4ba567
SSDEEP

1536:SCHF3M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtZ9/a1C3:SCHF8hASyRxvhTzXPvCbW2UZ9/D

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
2316	tmpBE02.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1548	19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399N.exe
1548	19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399N.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpBE02.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	tmpBE02.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399N.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	1548	19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399N.exe
Token: SeDebugPrivilege	2316	tmpBE02.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 2564	1548	19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399N.exe	30
PID 1548 wrote to memory of 2564	1548	19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399N.exe	30
PID 1548 wrote to memory of 2564	1548	19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399N.exe	30
PID 1548 wrote to memory of 2564	1548	19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399N.exe	30
PID 2564 wrote to memory of 2332	2564	vbc.exe	32
PID 2564 wrote to memory of 2332	2564	vbc.exe	32
PID 2564 wrote to memory of 2332	2564	vbc.exe	32
PID 2564 wrote to memory of 2332	2564	vbc.exe	32
PID 1548 wrote to memory of 2316	1548	19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399N.exe	33
PID 1548 wrote to memory of 2316	1548	19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399N.exe	33
PID 1548 wrote to memory of 2316	1548	19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399N.exe	33
PID 1548 wrote to memory of 2316	1548	19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399N.exe	33

C:\Users\Admin\AppData\Local\Temp\19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399N.exe
"C:\Users\Admin\AppData\Local\Temp\19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1548
- 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\nacyulhz.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2564
- - 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\RESBE9F.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcBE9E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2332
- C:\Users\Admin\AppData\Local\Temp\tmpBE02.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpBE02.tmp.exe" C:\Users\Admin\AppData\Local\Temp\19c46dcda296f9a78d886c536b0d6604f0ccb259ad620dc79d85c8ddc0720399N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2316

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\RESBE9F.tmp

Filesize
1KB

MD5
921b2c375aeb5af9a6b9d2016b03edf2

SHA1
18e2e7fd1189faac083664688d0775baafd03a3c

SHA256
eda8fddd29910f58d8ff7366743b7bc5286f0059c6344c6a9f52ee0985db6f02

SHA512
fdd8a2f0f57cdccbb6dca9248566b0f5e8171b47db9c689425f2d946718b9366fa6e49b12b3c070878968af6045b7ddb88e286045df00b1012de2280d174d9ae

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

Filesize
15KB

MD5
190b65705a1a20eed5b4acab78aa7cf4

SHA1
0ac1721fb8e5f986d69c82b877aa71ed609c386d

SHA256
aaf1f80fa09839582d198c868b7b7e5f1e9c6d2338436ae655135addba8c5fe3

SHA512
29f56d9f4b61ab5f92236e8fb85063c9048cb117764613271d8796354ee28331ef123ebf5c4a5b701d42069fa4d6354de941ba44fd39c5d60d43d4eb86648f59

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

Filesize
266B

MD5
bada00ef7b71976a1bb06d9ee8745d6d

SHA1
5e023b2fd719f49b7dc24b3dfc84962604922f7c

SHA256
2e1b81acc02740c4cced7f3afa8d779012bff470bf354a59f48f59ec77453fdd

SHA512
cff373a644ab0432bd94e6319c3e7464e5b4e1b201e2269bb770e9e6d4af02d1ab1f28d74a9365ca3d45bc038ac50d1f53a874b4ad20293d493cf50cb473733d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBE02.tmp.exe

Filesize
78KB

MD5
89af64a32e733d2bed5cebab547de8ed

SHA1
6f1109b404c59a9ac562d99ca6e1eb575ccc064a

SHA256
d621d2d34c321963ba049c5ee6866da4b4bd8db8e9a18952cb86a7b66ef99b10

SHA512
60f17e98d0300868942bf693057a1ac3df01690c21bcec31a915932a682aff8fd5078613689f691ae666e8a2c4302976cf36e1200b5dc9befa9322ada9d4548e

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcBE9E.tmp

Filesize
660B

MD5
106f45e5be7bf47bbd1d1c8cb1defa8d

SHA1
a4d7cbfaabcf87ba9c2ca8113ee360892b8b7b5f

SHA256
1d8f9218b100431a4d7fc2953e2d731fef387d1b683fbee2acbd5520ba163ab1

SHA512
ae145031e3d62ee81ec7ff9f73a5b75a47c23b1b24d96f9a97220f257e466416e5e0b8624abc8d646e24ec594aedf1ceba99ddd12e9f2120c6651208885c1367

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1548-0-0x00000000742E1000-0x00000000742E2000-memory.dmp

Filesize
4KB

Download
memory/1548-1-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/1548-2-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/1548-24-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/2564-8-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/2564-18-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads