ec26486eef61090ca050d1e2e6e98cfe72b5471a07d8fa73dbc8f2cdce85ef90

Analysis

max time kernel
142s
max time network
129s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
04-10-2023 09:47

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General

Target

ec26486eef61090ca050d1e2e6e98cfe72b5471a07d8fa73dbc8f2cdce85ef90.exe
Size

199KB
MD5

b7fbe9b2a328c358864449a9b6be127b
SHA1

0acf261163beac2ca22c57f70bf5ef574a419126
SHA256

ec26486eef61090ca050d1e2e6e98cfe72b5471a07d8fa73dbc8f2cdce85ef90
SHA512

49099d425fe10ad6ba68833ae6a7145c8264cbb6f92def7f4a92d40082738c3f2f04610cbf6fb6271e4224abde03438b464d5f65b2ed7d1cca3a09e0121d8595
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOj:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXK

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2572	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2548	rwmhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\rwmhost.exe	ec26486eef61090ca050d1e2e6e98cfe72b5471a07d8fa73dbc8f2cdce85ef90.exe
File opened for modification	C:\Windows\Debug\rwmhost.exe	ec26486eef61090ca050d1e2e6e98cfe72b5471a07d8fa73dbc8f2cdce85ef90.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1980	ec26486eef61090ca050d1e2e6e98cfe72b5471a07d8fa73dbc8f2cdce85ef90.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 2572	1980	ec26486eef61090ca050d1e2e6e98cfe72b5471a07d8fa73dbc8f2cdce85ef90.exe	29
PID 1980 wrote to memory of 2572	1980	ec26486eef61090ca050d1e2e6e98cfe72b5471a07d8fa73dbc8f2cdce85ef90.exe	29
PID 1980 wrote to memory of 2572	1980	ec26486eef61090ca050d1e2e6e98cfe72b5471a07d8fa73dbc8f2cdce85ef90.exe	29
PID 1980 wrote to memory of 2572	1980	ec26486eef61090ca050d1e2e6e98cfe72b5471a07d8fa73dbc8f2cdce85ef90.exe	29

C:\Users\Admin\AppData\Local\Temp\ec26486eef61090ca050d1e2e6e98cfe72b5471a07d8fa73dbc8f2cdce85ef90.exe
"C:\Users\Admin\AppData\Local\Temp\ec26486eef61090ca050d1e2e6e98cfe72b5471a07d8fa73dbc8f2cdce85ef90.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\EC2648~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2572

C:\Windows\Debug\rwmhost.exe
C:\Windows\Debug\rwmhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:2548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Debug\rwmhost.exe

Filesize
199KB

MD5
47c48ca7b699a686f853feaa822e56f7

SHA1
e5c1ba9f69c75c584cfa72f0df61515066aa1f14

SHA256
f4d058a6f29ec8b6d48f98ed010f22a2b89c26f09cb3c59aaa05917fc3392bb1

SHA512
02cb84f78f6bd70dea75bc38f17b9d324c34727acc28d59b93c3c4a0d775d0c49074306112d1aad0cc7e717862ea21cd0c6c9b23baec5d216b2a6dbdb48d9959

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C:\Windows\debug\rwmhost.exe

Filesize
199KB

MD5
47c48ca7b699a686f853feaa822e56f7

SHA1
e5c1ba9f69c75c584cfa72f0df61515066aa1f14

SHA256
f4d058a6f29ec8b6d48f98ed010f22a2b89c26f09cb3c59aaa05917fc3392bb1

SHA512
02cb84f78f6bd70dea75bc38f17b9d324c34727acc28d59b93c3c4a0d775d0c49074306112d1aad0cc7e717862ea21cd0c6c9b23baec5d216b2a6dbdb48d9959

Download Submit