c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7

General

Target

c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7.exe
Size

478KB
MD5

2504be3e4d73d41edaa9c8c11421f65a
SHA1

360ee8133e30a719dcf6b86b628632baad8bef6a
SHA256

c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7
SHA512

6f8043a62373f3882f0e60d0231f07e5e5a30f56f03bb5be2de9eff06ff2454c1ba1c093c465c7591f99e2cf772e036df73a36abdfecf46aa06c1c6ef2fcc4bc
SSDEEP

1536:ur3Z5IfQmv81a1xyXHZ+NGQSLNmCm6oyz7jBd7qDmbNPMJAVC+++Htttt8:yJOfQm01mxyXHZKG7pm6j77vtttt8

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
2748	attrib.exe

Deletes itself 1 IoCs

pid	Process
2808	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2692	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	c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7.exe
File opened for modification	C:\Windows\Debug\rwmhost.exe	attrib.exe
File created	C:\Windows\Debug\rwmhost.exe	c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7.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	c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7.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	2688	c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2748	2688	c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7.exe	30
PID 2688 wrote to memory of 2748	2688	c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7.exe	30
PID 2688 wrote to memory of 2748	2688	c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7.exe	30
PID 2688 wrote to memory of 2748	2688	c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7.exe	30
PID 2688 wrote to memory of 2808	2688	c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7.exe	33
PID 2688 wrote to memory of 2808	2688	c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7.exe	33
PID 2688 wrote to memory of 2808	2688	c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7.exe	33
PID 2688 wrote to memory of 2808	2688	c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7.exe	33

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2748	attrib.exe

C:\Users\Admin\AppData\Local\Temp\c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7.exe
"C:\Users\Admin\AppData\Local\Temp\c79c208911d9169e94c1adbcda428f42e345e681b795b0cc7c2c8ff5d7fe79b7.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2688
- 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:2748
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\C79C20~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2808

C:\Windows\Debug\rwmhost.exe
C:\Windows\Debug\rwmhost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2692

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
478KB

MD5
473c72240c1e0199ff89881fe5217841

SHA1
d7012789b7feb2485d7b4402e70e074a62524439

SHA256
b4c81ba1e87830fe0015300d8dbb236ead46c560a52bdf80e2d254055f02fee6

SHA512
e0773452ea5e376f0c771c635b9f27e9ed1716cf4a5a6320b9d7ed8988322196e84c4d96ce1462874e23f86530b49e2665c01594e84323b37ad243d23b7ff13f

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads