metamorpherrat | d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5d

General

Target

d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5dN.exe
Size

78KB
MD5

c3188ef20600f037fa5bec196cfa86d0
SHA1

4f90a91d9c70bb6b67a1d0257f0bd83aa3e4ef02
SHA256

d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5d
SHA512

56bf2c793e6299c3c1f8d929d99003082f3fbc9f9b96e16ba3da657ae63eb40491b2eb56f86c0b83bb95a8fb608bb03e93e60ecbbd25236a157fd535bb9877f4
SSDEEP

1536:o5jS5XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQt96+9/9t1m6:o5jSpSyRxvhTzXPvCbW2UZ9/9p

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
2068	tmpC3EB.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2136	d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5dN.exe
2136	d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5dN.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpC3EB.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	d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5dN.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	tmpC3EB.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2136	d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5dN.exe
Token: SeDebugPrivilege	2068	tmpC3EB.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 1684	2136	d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5dN.exe	30
PID 2136 wrote to memory of 1684	2136	d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5dN.exe	30
PID 2136 wrote to memory of 1684	2136	d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5dN.exe	30
PID 2136 wrote to memory of 1684	2136	d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5dN.exe	30
PID 1684 wrote to memory of 2428	1684	vbc.exe	32
PID 1684 wrote to memory of 2428	1684	vbc.exe	32
PID 1684 wrote to memory of 2428	1684	vbc.exe	32
PID 1684 wrote to memory of 2428	1684	vbc.exe	32
PID 2136 wrote to memory of 2068	2136	d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5dN.exe	33
PID 2136 wrote to memory of 2068	2136	d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5dN.exe	33
PID 2136 wrote to memory of 2068	2136	d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5dN.exe	33
PID 2136 wrote to memory of 2068	2136	d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5dN.exe	33

C:\Users\Admin\AppData\Local\Temp\d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5dN.exe
"C:\Users\Admin\AppData\Local\Temp\d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5dN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136
- 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\cfl_zfi0.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1684
- - 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\RESC4B7.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcC4B6.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2428
- C:\Users\Admin\AppData\Local\Temp\tmpC3EB.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpC3EB.tmp.exe" C:\Users\Admin\AppData\Local\Temp\d6e74ffe587bfd14453207922782c45d95ac62c9176389fa66bb86698b192b5dN.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2068

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\RESC4B7.tmp

Filesize
1KB

MD5
87fba16ead844a8b2334176cdf11ad5d

SHA1
1335dfa287cb44855402c52f93ba4376e4a2f383

SHA256
9243c9ee526cb032bef9e4e4fa9f4365b7c3a77f25e9052c0cfa02e0f7c1fa8b

SHA512
f557f14560e67fe010baadd4623ff4f1277a1cececc2216ec079a6dbeffb3b41151f7bf2650a9628f9dd26e3164e9a933134d9d1ce2cf2427798b1571be83bd8

Download Submit
C:\Users\Admin\AppData\Local\Temp\cfl_zfi0.0.vb

Filesize
14KB

MD5
34cffd756fcc5e09b730378f7b877271

SHA1
8d4315ec061e0d8555ae5510db715843d5d918ff

SHA256
4c374e40b396404d6cc70856d41805059f2750fdb04dd57cf122e7e781a2e042

SHA512
aab180390c75bf37dde758dfcdd3dae209d129ec29fb2a845f6d53296b7d99568f447283684b8344b8a4b221f6ad792cee4e01aad1e1e54fc0318fd10bf3cf12

Download Submit
C:\Users\Admin\AppData\Local\Temp\cfl_zfi0.cmdline

Filesize
266B

MD5
37ccee6fa9d4a1669572363f047fb6f5

SHA1
e7a617bb2f250f22759bb4fbad79c1368f73ff43

SHA256
a5ca9be4812cc1baf0d018476f1f371b0bb8fc698d721e3c975c086147ff1d0b

SHA512
006ea6eb4afababe591c6f96f19ed1967d166f6ad385e2d49f529213a9972c965164e44eac004d3b9c4e277f58760f31d4f4bcf2ec903a85ee1fac2855ab8194

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC3EB.tmp.exe

Filesize
78KB

MD5
7461cf99cdd584364dac321aa192da70

SHA1
f020ddfe468e266ab69dcd4d0c6e8f82a3eee2b9

SHA256
53d1a43301a0ae2504f50c01d386f74c0d830607b99d917d70dba7847c1e408f

SHA512
9d0b1577942738e8fb4265f03c0c6403c13218101b3279de67c6ec3ffb26660566584edd65c9b3058a7d98bd2f1edbaf8797c3a4008d78403f16725236d66123

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcC4B6.tmp

Filesize
660B

MD5
1b497b29fd75560f11ea0d01594e8fa5

SHA1
fe038da1ca9abc592f2b8481e44d58737f3c8ac9

SHA256
db291966b9a3f83aadb65872fbd9f0bb812a9c64042dd4ab3f1fdb0ecef8f7c6

SHA512
5e6789429ce5484255e0c763f7bf271fcaeec66f0aa82fde62dc583e6e85f438716c4db25aefa174efd250c8eec581a377a3f507f426b356935d3653e6c5a916

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1684-8-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/1684-18-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2136-0-0x0000000074E71000-0x0000000074E72000-memory.dmp

Filesize
4KB

Download
memory/2136-1-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2136-2-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2136-24-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads