metamorpherrat | a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9

General

Target

a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe
Size

78KB
MD5

e99f549224132b857af1f74e63f3e8d0
SHA1

057c9d28c82bd2bf8090088d0f3aabec0e842363
SHA256

a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9
SHA512

6ab15771d710e1affc83b24b0398c986f9af13585216dd8afbacceb26e53042d3def4f63dda2b971eeb8e943a6cc15aad14a073b97a420b6938949bd9b7c7747
SSDEEP

1536:cRWV5rXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC6+9/U1+o:cRWV5rSyRxvhTzXPvCbW2U29/2

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe

Deletes itself 1 IoCs

pid	Process
2368	tmpAB05.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
2368	tmpAB05.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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpAB05.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	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.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	tmpAB05.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe
Token: SeDebugPrivilege	2368	tmpAB05.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 4800	2280	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	82
PID 2280 wrote to memory of 4800	2280	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	82
PID 2280 wrote to memory of 4800	2280	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	82
PID 4800 wrote to memory of 368	4800	vbc.exe	84
PID 4800 wrote to memory of 368	4800	vbc.exe	84
PID 4800 wrote to memory of 368	4800	vbc.exe	84
PID 2280 wrote to memory of 2368	2280	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	85
PID 2280 wrote to memory of 2368	2280	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	85
PID 2280 wrote to memory of 2368	2280	a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe	85

C:\Users\Admin\AppData\Local\Temp\a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe
"C:\Users\Admin\AppData\Local\Temp\a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2280
- 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\h9c1b9uv.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4800
- - 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\RESAC9B.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcA13FEF4188D344F18A8941FC9548DA91.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:368
- C:\Users\Admin\AppData\Local\Temp\tmpAB05.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpAB05.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a77896571383e76d76afd8d8a4f90d9bc945a6dcc44df65c55fbb3ab908b1fb9N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2368

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\RESAC9B.tmp

Filesize
1KB

MD5
3c0e82ab972ce1bd7dd3546d3ab0640b

SHA1
4f93c15ac2f73d061f75b15dda1d49e9704e0061

SHA256
8b36bec23c2e1f133a0f2f517b93b4380c6406dbe079f58492eb6145a06f4724

SHA512
bbe772c2c2853300be5298fdcda4be2e0ae2ba2e1cffc398b2f2f8c9ad9997a64e0ff6e4c73452db33c4dcbf2c91cef45f8dadb5fe7654fea020dc2ae379498e

Download Submit
C:\Users\Admin\AppData\Local\Temp\h9c1b9uv.0.vb

Filesize
14KB

MD5
a3d6be14f6d91e59891f022267bfdfb7

SHA1
1ca91fa10e29184d28d98cb92245601906e86ead

SHA256
06c16fab11331a302fb33a104ba49bcbc8d6031ef910b4a43340798d395292d9

SHA512
5992aec1e40df5effa1add597f45d341acc4492098567a419519220aeb5e0c3a24ea9b7583e5b779674f9c964d56c256508a38a373b3f890ffc67fddf916785a

Download Submit
C:\Users\Admin\AppData\Local\Temp\h9c1b9uv.cmdline

Filesize
266B

MD5
5f00635b1ac9bbd9c4cb92c366bc292c

SHA1
ae69ab6723758c103ac9430a6b8a830ecd7f13a4

SHA256
9aecf4ce0df0ca4ffb3deb0b966dc29eb75101fcc0a6e6df58c5496d5d5b60f9

SHA512
6af8920172e061ebf6543ea9df66db241bb66acd2b2435b61ca99ba64fa17b15a512258aabbc29573589e7c0fcf8318ae2ff80fe15c1afdd489e2c3ff1c5f5fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAB05.tmp.exe

Filesize
78KB

MD5
39dab477d2e77ee0ff60cf31f8d6e3e2

SHA1
bde73f7f259a81fae0260d656b9cbb6e425bd688

SHA256
de9846266ddefa856410176a6029e8a3fe61a9a706df1e9f892a2d6aabf42e64

SHA512
3e83d4f58b8d800dde7e066d1e4595e723b0c117f7c2736d6268a8ca267d60e9a932158e4cb98fa3521b37072369d68361d9fd5a45652d983f2e3643c754dd7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcA13FEF4188D344F18A8941FC9548DA91.TMP

Filesize
660B

MD5
2797be46e13ae73beeb70337c328ffcd

SHA1
ce5d5749648db42f2f7a9b4e1da18220dcf0cbf0

SHA256
7ae99e94ccfb3f947c6cc32b6bec7d9f0dbcedf9bb07299c2af692c8fa339de3

SHA512
5c6641e2dba2950d96131c16f17b06ddffce1b81a697a1fa05d9db150db1e44cc5d24a871ff09b54fa683964b04f92c72835b69115dd1a17fbdc0a51b15b43ad

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/2280-1-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/2280-2-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/2280-0-0x0000000074602000-0x0000000074603000-memory.dmp

Filesize
4KB

Download
memory/2280-22-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/2368-23-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/2368-24-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/2368-25-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/2368-27-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/2368-28-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/2368-29-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/4800-18-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/4800-8-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads