32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5

General

Target

32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe
Size

66KB
MD5

f966cdd6b0637e32c40e164f6133d140
SHA1

ecfd75fac125efded6a126ae40871ed8cb945093
SHA256

32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5
SHA512

3b39cf2441b2a88246fe4b4b6018c01496d63b83d68b2a7f946e8c72d363cb2ad283a685aaeaa51c40351d4c46be1fe5821a713e1cfe14c17a53a3bea62a66de
SSDEEP

768:MDcpEBMLfQcubV5wGE96YyXDTLdEBBBBD:MDcfLfIbtEbyXfZy

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
2684	attrib.exe

Deletes itself 1 IoCs

pid	Process
2820	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2536	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 opened for modification	C:\Windows\Debug\rwmhost.exe	32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe
File opened for modification	C:\Windows\Debug\rwmhost.exe	attrib.exe
File created	C:\Windows\Debug\rwmhost.exe	32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.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	32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2784	32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 2684	2784	32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe	30
PID 2784 wrote to memory of 2684	2784	32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe	30
PID 2784 wrote to memory of 2684	2784	32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe	30
PID 2784 wrote to memory of 2684	2784	32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe	30
PID 2784 wrote to memory of 2820	2784	32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe	33
PID 2784 wrote to memory of 2820	2784	32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe	33
PID 2784 wrote to memory of 2820	2784	32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe	33
PID 2784 wrote to memory of 2820	2784	32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe	33

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2684	attrib.exe

C:\Users\Admin\AppData\Local\Temp\32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe
"C:\Users\Admin\AppData\Local\Temp\32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2784
- 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:2684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\32C49D~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2820

C:\Windows\Debug\rwmhost.exe
C:\Windows\Debug\rwmhost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2536

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

System Information Discovery

1

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:\Windows\Debug\rwmhost.exe

Filesize
66KB

MD5
8531128fdd35e9ddc9fcb24012162659

SHA1
8ad26b63a78d2bc489c4147da876201b812220d0

SHA256
ac4afd7a1a5d776938de1092247ff99ea252b853c63dff9a9420c50b9503f45c

SHA512
14cb9beb4b4055fd97217d190f16f71a90a60a81425a9a2fc809b72e128529e0cdbdea2ae591b645109d5a1f94296d19e555684a27f3ef8341b15257f785d324

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads