eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330

General

Target

eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe
Size

84KB
MD5

2d899134bdcf567b252077e9d9bd8800
SHA1

03901902fc4b96173fd27687c29d241ca1cd5db4
SHA256

eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330
SHA512

473aee6f8f2999d889abd962085ee7388309831089eb7d843ecb5dc274c2b7e874ab2bbadf8510111df7941f415ac90af18a3027ab77e42323a4f14d01d94590
SSDEEP

1536:bDcWLfIbgEp10gyXVdtnTHNWnnn622222e:bDXL0n0gyXVd1re2222e

Score

8^/10

defense_evasion discovery evasion

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2212	attrib.exe

Deletes itself 1 IoCs

pid	Process
2692	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2072	rwmhost.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\rwmhost.exe	eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe
File opened for modification	C:\Windows\Debug\rwmhost.exe	eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe
File opened for modification	C:\Windows\Debug\rwmhost.exe	attrib.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	eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rwmhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rwmhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	rwmhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2924	eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2212	2924	eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe	30
PID 2924 wrote to memory of 2212	2924	eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe	30
PID 2924 wrote to memory of 2212	2924	eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe	30
PID 2924 wrote to memory of 2212	2924	eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe	30
PID 2924 wrote to memory of 2692	2924	eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe	33
PID 2924 wrote to memory of 2692	2924	eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe	33
PID 2924 wrote to memory of 2692	2924	eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe	33
PID 2924 wrote to memory of 2692	2924	eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe	33

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2212	attrib.exe

C:\Users\Admin\AppData\Local\Temp\eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe
"C:\Users\Admin\AppData\Local\Temp\eb0ea6cf24784199aa5a8c19826750bea287dcf7ee0ea62db8915846a97d1330N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\rwmhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:2212
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\EB0EA6~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2692

C:\Windows\Debug\rwmhost.exe
C:\Windows\Debug\rwmhost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:2072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Indicator Removal

1

T1070

File Deletion

1

T1070.004

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\Debug\rwmhost.exe

Filesize
84KB

MD5
362a17b09be251d750efa9a5d2ab2c3a

SHA1
89b8482bd079b84f12db6e409b5c200026dc7c5e

SHA256
288dd86c9c7f78c8773230f356c85e5d92ddfc4476bfa9730ded071499c70d0b

SHA512
9a05ee01e452cd065865b769a3792afa61797a99d5e8edd18b29521d09c3f4228c2e3210f182b28b87050da0454ec0cc024b3ea297fb1e8096440fa76ec8b450

Download Submit
memory/2072-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2924-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2924-5-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads