metamorpherrat | 1dbab498fd78fd3a4cb9ebdc9adf768ddfa7fdcb7ff7d0cec03e6119954e6d80

General

Target

6a5470fc42786aa4e254ce7f426b7080N.exe
Size

78KB
MD5

6a5470fc42786aa4e254ce7f426b7080
SHA1

fdd61f3917247ae0cde5f384840924f57937322d
SHA256

1dbab498fd78fd3a4cb9ebdc9adf768ddfa7fdcb7ff7d0cec03e6119954e6d80
SHA512

185e221924bd8ac83a97ed44509e901c186110b048785401cbe9951e2cc182b439d91192dfacb301b6c8e9e5d49c4ce327b394837e290a04aaf1158ad2d1b266
SSDEEP

1536:Dy58EXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtN659/o138:Dy588SyRxvhTzXPvCbW2Uq9/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

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	6a5470fc42786aa4e254ce7f426b7080N.exe

Deletes itself 1 IoCs

pid	Process
1776	tmp8368.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
1776	tmp8368.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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp8368.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	6a5470fc42786aa4e254ce7f426b7080N.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	tmp8368.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1188	6a5470fc42786aa4e254ce7f426b7080N.exe
Token: SeDebugPrivilege	1776	tmp8368.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 1376	1188	6a5470fc42786aa4e254ce7f426b7080N.exe	86
PID 1188 wrote to memory of 1376	1188	6a5470fc42786aa4e254ce7f426b7080N.exe	86
PID 1188 wrote to memory of 1376	1188	6a5470fc42786aa4e254ce7f426b7080N.exe	86
PID 1376 wrote to memory of 1164	1376	vbc.exe	88
PID 1376 wrote to memory of 1164	1376	vbc.exe	88
PID 1376 wrote to memory of 1164	1376	vbc.exe	88
PID 1188 wrote to memory of 1776	1188	6a5470fc42786aa4e254ce7f426b7080N.exe	92
PID 1188 wrote to memory of 1776	1188	6a5470fc42786aa4e254ce7f426b7080N.exe	92
PID 1188 wrote to memory of 1776	1188	6a5470fc42786aa4e254ce7f426b7080N.exe	92

C:\Users\Admin\AppData\Local\Temp\6a5470fc42786aa4e254ce7f426b7080N.exe
"C:\Users\Admin\AppData\Local\Temp\6a5470fc42786aa4e254ce7f426b7080N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1188
- 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\h4zcxugi.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1376
- - 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\RES853D.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcC3639BA08AD741DABCD48288CFAA4C2E.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1164
- C:\Users\Admin\AppData\Local\Temp\tmp8368.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp8368.tmp.exe" C:\Users\Admin\AppData\Local\Temp\6a5470fc42786aa4e254ce7f426b7080N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1776

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\RES853D.tmp

Filesize
1KB

MD5
3792279bffa69d270510f999307c19a1

SHA1
5e742662a0a7fcc56148063a6a76de525eaa3de3

SHA256
809603d4b0795d4416b53525fb67e87221d33a8c11c4db95bb02b3e2ee540cfe

SHA512
ef7130c8df7360bfc520984cf22f38fd1301df13a217a33e6a1c5d9a0ebda7871d2f0fec53e42f75017d3851720955cb7db402c363724c69e5cdd6f6d82e15dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\h4zcxugi.0.vb

Filesize
14KB

MD5
6c90eabfa7c3bb4a6e9fe59918439978

SHA1
7ae82d4bafe78255ba92a88f644a5de7f2bf0529

SHA256
dcc85eed572025753ede35b12e45772501a0faa149116f854eb362a231fb0687

SHA512
1a0c961083914b893613fd74385e6e2a8d8a608bd92d3e49e719534de6cb86c50e0e73c14a979650876b5141f97bf3bf5718f5c63cf5638dc0530bb07645ad08

Download Submit
C:\Users\Admin\AppData\Local\Temp\h4zcxugi.cmdline

Filesize
266B

MD5
80e606d32b635d6888b609119760498b

SHA1
16ec3f3d61532c18f9637acf7ec8540f470b5124

SHA256
404dbf62ec5175030b6e47ee941f6145210e8d515d851fa7e355b6f449ba267d

SHA512
c457b9e41377c1ad077b08a67bcda02cce83be80b8157f8b3c5ed3066b5e889bcf1635da5e4f54db478fa816b7f9a01b6a27f61b9219dba036816c15b29088fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8368.tmp.exe

Filesize
78KB

MD5
e34edb9ca2740786a1e6a35241d7f0df

SHA1
79ea1c807fcb4718cd4d31578a191ce785aa8f9c

SHA256
d8817eb480dfd4ddcf989adb660fb33f6a3a9903bc4fca4429d9aef95b053115

SHA512
c9e8cfdf0434b14da378e3abec0816f7dc90b6c95c05cba71c7217fd3ec4899e7dfe612d4aabf7a07e880b24dda6bfb025ec7fe890e94d74dd12e362f79db335

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcC3639BA08AD741DABCD48288CFAA4C2E.TMP

Filesize
660B

MD5
dd2d05b5b46d2c473dc8e9097a4d0981

SHA1
4f6678048028c29efc6171e401f284554cff3166

SHA256
7bf3d896a33ed0c8b3cc73c7d226e03ceb1f8cdeac920ba6a2492c631245acdc

SHA512
6204549bc128e6170e1372a7e7ef3ac3c7d63c9f3a7d0f5308dc58ad90444b7f0f6f7cedab51e2c6cb9847165cd8bdaac2466a058940f68c265bb4c294aaa84f

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1188-22-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/1188-2-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/1188-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

Filesize
4KB

Download
memory/1188-1-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/1376-18-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/1376-9-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/1776-23-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/1776-24-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/1776-26-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/1776-27-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/1776-28-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads