metamorpherrat | 5cbc4ab09ff0de780dfd11e8e99840f89ad6954af5a58240bae5d06ab3b1b527

General

Target

5cbc4ab09ff0de780dfd11e8e99840f89ad6954af5a58240bae5d06ab3b1b527N.exe
Size

78KB
MD5

73ebf50108619cf05ba3b7311a8fb6e0
SHA1

7e44d9ce2b10d17c3ea971c56a558951fa6d32c0
SHA256

5cbc4ab09ff0de780dfd11e8e99840f89ad6954af5a58240bae5d06ab3b1b527
SHA512

0f296fac3c9cc19beee3187c0c365afd115bdfc5b053afc994dc367657bc498e5612c3f28c5a23ad0e1251ffc42963519c63e46a9d5855d8677a281b79c517f4
SSDEEP

1536:mWtHF3M3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQtb9/T1OH:mWtHF83xSyRxvY3md+dWWZyb9/e

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

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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	5cbc4ab09ff0de780dfd11e8e99840f89ad6954af5a58240bae5d06ab3b1b527N.exe

Deletes itself 1 IoCs

pid	Process
1300	tmpA604.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
1300	tmpA604.tmp.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmpA604.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	tmpA604.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5cbc4ab09ff0de780dfd11e8e99840f89ad6954af5a58240bae5d06ab3b1b527N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3296	5cbc4ab09ff0de780dfd11e8e99840f89ad6954af5a58240bae5d06ab3b1b527N.exe
Token: SeDebugPrivilege	1300	tmpA604.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3296 wrote to memory of 440	3296	5cbc4ab09ff0de780dfd11e8e99840f89ad6954af5a58240bae5d06ab3b1b527N.exe	84
PID 3296 wrote to memory of 440	3296	5cbc4ab09ff0de780dfd11e8e99840f89ad6954af5a58240bae5d06ab3b1b527N.exe	84
PID 3296 wrote to memory of 440	3296	5cbc4ab09ff0de780dfd11e8e99840f89ad6954af5a58240bae5d06ab3b1b527N.exe	84
PID 440 wrote to memory of 2928	440	vbc.exe	87
PID 440 wrote to memory of 2928	440	vbc.exe	87
PID 440 wrote to memory of 2928	440	vbc.exe	87
PID 3296 wrote to memory of 1300	3296	5cbc4ab09ff0de780dfd11e8e99840f89ad6954af5a58240bae5d06ab3b1b527N.exe	90
PID 3296 wrote to memory of 1300	3296	5cbc4ab09ff0de780dfd11e8e99840f89ad6954af5a58240bae5d06ab3b1b527N.exe	90
PID 3296 wrote to memory of 1300	3296	5cbc4ab09ff0de780dfd11e8e99840f89ad6954af5a58240bae5d06ab3b1b527N.exe	90

C:\Users\Admin\AppData\Local\Temp\5cbc4ab09ff0de780dfd11e8e99840f89ad6954af5a58240bae5d06ab3b1b527N.exe
"C:\Users\Admin\AppData\Local\Temp\5cbc4ab09ff0de780dfd11e8e99840f89ad6954af5a58240bae5d06ab3b1b527N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3296
- 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\r7kzuuav.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:440
- - 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\RESA77B.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc753B3DAFBC0A44B6AF3DA0543E53B195.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2928
- C:\Users\Admin\AppData\Local\Temp\tmpA604.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA604.tmp.exe" C:\Users\Admin\AppData\Local\Temp\5cbc4ab09ff0de780dfd11e8e99840f89ad6954af5a58240bae5d06ab3b1b527N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1300

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

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\RESA77B.tmp

Filesize
1KB

MD5
c4b77756a7367021bfaf6688a1359265

SHA1
16f16acf20d1e1736ebee1f13b874ce5943d3a5b

SHA256
c39d693d6dfceb2b04e826a7ef92c76370a5ea08c01c4f01520c6fb31e82ae11

SHA512
fff759028992e773ee94d8931614b80a123d06072f484665c7a3e1fb6e4f81f84b843acd9911dedafdec426404b8019b2121674ca3ebc2def7437db7e49c7350

Download Submit
C:\Users\Admin\AppData\Local\Temp\r7kzuuav.0.vb

Filesize
15KB

MD5
ac0b8435ee00ca2f4f04bb79ceddb908

SHA1
26041c9b02a29cb886c91649639c46b640c2c11f

SHA256
e7f2cbcce81e0d7a03d08d3deb9767aef0116b992b9098d9e3b6bc17e483cb8f

SHA512
587c7413c880f428b15690c89900a07bf1c62fe64f0720e7a6ad1105fbdc244a0150ce731305da54f15a9cb0af65b75b80105a02dd69262e3331e865bd6b981e

Download Submit
C:\Users\Admin\AppData\Local\Temp\r7kzuuav.cmdline

Filesize
266B

MD5
a543f16c1f6fc1d330b54b3b36c1c722

SHA1
c9d435340d65758a4617e6f7f99a80e6ba105360

SHA256
fad8b55e7ffb0c95e52f82bfd706eac1925f0b9d116fce92748440a1a9946b71

SHA512
6d0027d745f5317221d291f148d13cb6fd95241f2049195dd7f47d636eb06fed8aec77e53d0999eec5bc2786f5cbcb6e5c3dc6a31a675e044e2a642512415b45

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA604.tmp.exe

Filesize
78KB

MD5
803709855011faecbc41dcc51bcd099e

SHA1
c799535147a670a3803acd6e3f58f91b0b84706e

SHA256
b57b90ff4da8848362ad295e4339d7f29f7a90749a319ad8fd30fd31ba9ebdee

SHA512
f1842591965a360cd11e24740f76a71ca222fdebfae1ca94875b757bbf052b3b24738f4e9e95bcac00e3a3c25211ad1640ac6bdec93a05d2f4809ea3004a20d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc753B3DAFBC0A44B6AF3DA0543E53B195.TMP

Filesize
660B

MD5
34f90ec5a2731f61a6a3614c37ee4723

SHA1
31530a32a99cf36d3c86abec4345d19dc7531ea3

SHA256
4bd7d640e3dcdadb1507e242c73d5d7ed1187ed3d924c765196b2f84fbe0a9d9

SHA512
baff346eabda6a4297dea01f2cddbc4bfbfacfbbe7d03c8035cc2f80acb3328b3f577959f0566876f6a07d3c67c9ddb2d68ac970e5e13e99ad76e0d6732bf371

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/440-18-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/440-9-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/1300-23-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/1300-25-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/1300-24-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/1300-27-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/1300-28-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/1300-29-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/1300-30-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/1300-31-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3296-2-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3296-1-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3296-22-0x0000000074EC0000-0x0000000075471000-memory.dmp

Filesize
5.7MB

Download
memory/3296-0-0x0000000074EC2000-0x0000000074EC3000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads