remcos | ecee44992b84f86f98c14b5af66451c9e6306e7db33d038cef6d7292988da559

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7v20201028
submitted
19/12/2020, 12:50

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General

Target
d2b4d6870c4064039ae9db9ab008ded6.exe
Size 647KB
Sample201219-evzbr9tmzx
SHA256 ecee44992b84f86f98c14b5af66451c9e6306e7db33d038cef6d7292988da559
MD5 d2b4d6870c4064039ae9db9ab008ded6
SHA1 3cb00962e67dfdfd31308cb95bb6917bdcc960cb
SHA512 3268ff855a30b1e7aec5cbbd80203ee80f30a3abc93bdc3651147d94c7675da02461e54541e3a873748cd6cd8cba8b54e22ff6bca1b739a250dcd52e3c0ef8c6
MD5 SHA1 SHA512

Score

10^/10

remcos rat spyware

Malware Config

Extracted

Family

remcos

80.82.77.221:2606

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1084 set thread context of 1576	1084	d2b4d6870c4064039ae9db9ab008ded6.exe	29
PID 1576 set thread context of 1052	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	30
PID 1576 set thread context of 576	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	31
PID 1576 set thread context of 1460	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	32

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1052	d2b4d6870c4064039ae9db9ab008ded6.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1084	d2b4d6870c4064039ae9db9ab008ded6.exe
Token: SeDebugPrivilege	576	d2b4d6870c4064039ae9db9ab008ded6.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 1576	1084	d2b4d6870c4064039ae9db9ab008ded6.exe	29
PID 1084 wrote to memory of 1576	1084	d2b4d6870c4064039ae9db9ab008ded6.exe	29
PID 1084 wrote to memory of 1576	1084	d2b4d6870c4064039ae9db9ab008ded6.exe	29
PID 1084 wrote to memory of 1576	1084	d2b4d6870c4064039ae9db9ab008ded6.exe	29
PID 1084 wrote to memory of 1576	1084	d2b4d6870c4064039ae9db9ab008ded6.exe	29
PID 1084 wrote to memory of 1576	1084	d2b4d6870c4064039ae9db9ab008ded6.exe	29
PID 1084 wrote to memory of 1576	1084	d2b4d6870c4064039ae9db9ab008ded6.exe	29
PID 1084 wrote to memory of 1576	1084	d2b4d6870c4064039ae9db9ab008ded6.exe	29
PID 1084 wrote to memory of 1576	1084	d2b4d6870c4064039ae9db9ab008ded6.exe	29
PID 1084 wrote to memory of 1576	1084	d2b4d6870c4064039ae9db9ab008ded6.exe	29
PID 1084 wrote to memory of 1576	1084	d2b4d6870c4064039ae9db9ab008ded6.exe	29
PID 1576 wrote to memory of 1052	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	30
PID 1576 wrote to memory of 1052	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	30
PID 1576 wrote to memory of 1052	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	30
PID 1576 wrote to memory of 1052	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	30
PID 1576 wrote to memory of 1052	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	30
PID 1576 wrote to memory of 1052	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	30
PID 1576 wrote to memory of 1052	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	30
PID 1576 wrote to memory of 1052	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	30
PID 1576 wrote to memory of 1052	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	30
PID 1576 wrote to memory of 576	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	31
PID 1576 wrote to memory of 576	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	31
PID 1576 wrote to memory of 576	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	31
PID 1576 wrote to memory of 576	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	31
PID 1576 wrote to memory of 576	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	31
PID 1576 wrote to memory of 576	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	31
PID 1576 wrote to memory of 576	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	31
PID 1576 wrote to memory of 576	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	31
PID 1576 wrote to memory of 576	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	31
PID 1576 wrote to memory of 1460	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	32
PID 1576 wrote to memory of 1460	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	32
PID 1576 wrote to memory of 1460	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	32
PID 1576 wrote to memory of 1460	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	32
PID 1576 wrote to memory of 1460	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	32
PID 1576 wrote to memory of 1460	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	32
PID 1576 wrote to memory of 1460	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	32
PID 1576 wrote to memory of 1460	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	32
PID 1576 wrote to memory of 1460	1576	d2b4d6870c4064039ae9db9ab008ded6.exe	32

C:\Users\Admin\AppData\Local\Temp\d2b4d6870c4064039ae9db9ab008ded6.exe
"C:\Users\Admin\AppData\Local\Temp\d2b4d6870c4064039ae9db9ab008ded6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Users\Admin\AppData\Local\Temp\d2b4d6870c4064039ae9db9ab008ded6.exe
  "C:\Users\Admin\AppData\Local\Temp\d2b4d6870c4064039ae9db9ab008ded6.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1576
- - C:\Users\Admin\AppData\Local\Temp\d2b4d6870c4064039ae9db9ab008ded6.exe
    C:\Users\Admin\AppData\Local\Temp\d2b4d6870c4064039ae9db9ab008ded6.exe /stext "C:\Users\Admin\AppData\Local\Temp\ptjaosnrwsrx"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:1052
- - C:\Users\Admin\AppData\Local\Temp\d2b4d6870c4064039ae9db9ab008ded6.exe
    C:\Users\Admin\AppData\Local\Temp\d2b4d6870c4064039ae9db9ab008ded6.exe /stext "C:\Users\Admin\AppData\Local\Temp\zvplpkyskajjzng"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:576
- - C:\Users\Admin\AppData\Local\Temp\d2b4d6870c4064039ae9db9ab008ded6.exe
    C:\Users\Admin\AppData\Local\Temp\d2b4d6870c4064039ae9db9ab008ded6.exe /stext "C:\Users\Admin\AppData\Local\Temp\cpcdpcjmyicoctczsql"
    3⤵
    PID:1460

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/576-19-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/576-17-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/576-13-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/812-23-0x000007FEF7800000-0x000007FEF7A7A000-memory.dmp

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memory/1052-20-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/1052-11-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/1052-16-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/1084-2-0x0000000074710000-0x0000000074DFE000-memory.dmp

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memory/1084-7-0x0000000000A80000-0x0000000000A8A000-memory.dmp

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memory/1084-6-0x0000000000A50000-0x0000000000A6F000-memory.dmp

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memory/1084-5-0x0000000000A30000-0x0000000000A47000-memory.dmp

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memory/1084-3-0x00000000013D0000-0x00000000013D1000-memory.dmp

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memory/1460-15-0x0000000000400000-0x0000000000457000-memory.dmp

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memory/1460-21-0x0000000000400000-0x0000000000457000-memory.dmp

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memory/1460-22-0x0000000000400000-0x0000000000457000-memory.dmp

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memory/1576-10-0x0000000000400000-0x0000000000421000-memory.dmp

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memory/1576-8-0x0000000000400000-0x0000000000421000-memory.dmp

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