revengerat | c994b9d016129f8a1e36b1e1f3288ef1385c6453497fc50cf129195e9769b8a5

General

Target

17d0b9ac75dfd038ac11c64940a5a6cb.exe
Size

397KB
MD5

17d0b9ac75dfd038ac11c64940a5a6cb
SHA1

fdf4a6d488ba2220c808a8e233ea0e219273c3b2
SHA256

c994b9d016129f8a1e36b1e1f3288ef1385c6453497fc50cf129195e9769b8a5
SHA512

0ffb63b421da1daa0ca2098ea35b6e5be5b8613b9b4855b723b2c6032bcf644f7d00ddb35ab1af443c5f765fa10c61cb5c28fe81734ea4e582b51ed56c1afecd
SSDEEP

6144:/IWyveo8OzcrumMozCE6+bIPEMMjAtUO3nDv4abP212gG7EXoiToLa:/IpvZDoruYeE6+EsPjA4a7mJWEZga

Score

10^/10

revengerat nyancatrevenge persistence trojan

Malware Config

Extracted

Family

revengerat

Botnet

NyanCatRevenge

C2

alice2019.myftp.biz:7777

Mutex

a915f6c5466a49

Signatures

RevengeRAT
Remote-access trojan with a wide range of capabilities.
trojan revengerat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

17d0b9ac75dfd038ac11c64940a5a6cb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	17d0b9ac75dfd038ac11c64940a5a6cb.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

4768 svchost.exe

pid	process
4768	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

17d0b9ac75dfd038ac11c64940a5a6cb.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	17d0b9ac75dfd038ac11c64940a5a6cb.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

svchost.exe

description pid process target process

PID 4768 set thread context of 664 4768 svchost.exe msbuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 4768 set thread context of 664	4768	svchost.exe	msbuild.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

Processes:

msbuild.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0	msbuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	msbuild.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

3576 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3696 timeout.exe

pid	process
3576	schtasks.exe

pid	process
3696	timeout.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

17d0b9ac75dfd038ac11c64940a5a6cb.exesvchost.exe

pid	process
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
4768	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

17d0b9ac75dfd038ac11c64940a5a6cb.exesvchost.exe

description pid process

Token: SeDebugPrivilege 4024 17d0b9ac75dfd038ac11c64940a5a6cb.exe
Token: SeDebugPrivilege 4768 svchost.exe

description	pid	process
Token: SeDebugPrivilege	4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe
Token: SeDebugPrivilege	4768	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

17d0b9ac75dfd038ac11c64940a5a6cb.execmd.execmd.exesvchost.exe

description	pid	process	target process
PID 4024 wrote to memory of 2240	4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe	cmd.exe
PID 4024 wrote to memory of 2240	4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe	cmd.exe
PID 4024 wrote to memory of 2120	4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe	cmd.exe
PID 4024 wrote to memory of 2120	4024	17d0b9ac75dfd038ac11c64940a5a6cb.exe	cmd.exe
PID 2120 wrote to memory of 3696	2120	cmd.exe	timeout.exe
PID 2120 wrote to memory of 3696	2120	cmd.exe	timeout.exe
PID 2240 wrote to memory of 3576	2240	cmd.exe	schtasks.exe
PID 2240 wrote to memory of 3576	2240	cmd.exe	schtasks.exe
PID 2120 wrote to memory of 4768	2120	cmd.exe	svchost.exe
PID 2120 wrote to memory of 4768	2120	cmd.exe	svchost.exe
PID 4768 wrote to memory of 664	4768	svchost.exe	msbuild.exe
PID 4768 wrote to memory of 664	4768	svchost.exe	msbuild.exe
PID 4768 wrote to memory of 664	4768	svchost.exe	msbuild.exe
PID 4768 wrote to memory of 664	4768	svchost.exe	msbuild.exe
PID 4768 wrote to memory of 664	4768	svchost.exe	msbuild.exe
PID 4768 wrote to memory of 664	4768	svchost.exe	msbuild.exe
PID 4768 wrote to memory of 664	4768	svchost.exe	msbuild.exe
PID 4768 wrote to memory of 664	4768	svchost.exe	msbuild.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\17d0b9ac75dfd038ac11c64940a5a6cb.exe
"C:\Users\Admin\AppData\Local\Temp\17d0b9ac75dfd038ac11c64940a5a6cb.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2240

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
3⤵
- Creates scheduled task(s)
PID:3576

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp54E6.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:2120

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:3696

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4768

C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
4⤵
- Checks processor information in registry
PID:664

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp54E6.tmp.bat
Filesize
151B

MD5
d0adbf157c12b6acf4eef98d20931de3

SHA1
38539ead1ff72e190f2b5f70d1b0f6a130074fa6

SHA256
80ecfb0abab11517f78efec306fcb1922834fb00d8ea082fdf55af3cfc953919

SHA512
d1efb8b8c66dc6a4c03d4ba03a319b58d68eb7337af6e417551d432a6c4cfdeebec7273be6b9d98ed62c5ca7815e9284b4d9550324818dfdcfe4915b4f371658

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
397KB

MD5
17d0b9ac75dfd038ac11c64940a5a6cb

SHA1
fdf4a6d488ba2220c808a8e233ea0e219273c3b2

SHA256
c994b9d016129f8a1e36b1e1f3288ef1385c6453497fc50cf129195e9769b8a5

SHA512
0ffb63b421da1daa0ca2098ea35b6e5be5b8613b9b4855b723b2c6032bcf644f7d00ddb35ab1af443c5f765fa10c61cb5c28fe81734ea4e582b51ed56c1afecd

Download Submit
memory/664-18-0x0000000005BB0000-0x0000000006154000-memory.dmp

Filesize
5.6MB

Download
memory/664-21-0x0000000005AC0000-0x0000000005B5C000-memory.dmp

Filesize
624KB

Download
memory/664-24-0x0000000005700000-0x0000000005710000-memory.dmp

Filesize
64KB

Download
memory/664-23-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/664-22-0x0000000006160000-0x00000000061C6000-memory.dmp

Filesize
408KB

Download
memory/664-20-0x0000000005700000-0x0000000005710000-memory.dmp

Filesize
64KB

Download
memory/664-17-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/664-16-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4024-1-0x0000025109A00000-0x0000025109A76000-memory.dmp

Filesize
472KB

Download
memory/4024-0-0x0000025107CB0000-0x0000025107CBC000-memory.dmp

Filesize
48KB

Download
memory/4024-2-0x00007FFE2D560000-0x00007FFE2E021000-memory.dmp

Filesize
10.8MB

Download
memory/4024-3-0x0000025108080000-0x000002510809E000-memory.dmp

Filesize
120KB

Download
memory/4024-10-0x00007FFE2D560000-0x00007FFE2E021000-memory.dmp

Filesize
10.8MB

Download
memory/4024-5-0x0000025109980000-0x00000251099E0000-memory.dmp

Filesize
384KB

Download
memory/4024-4-0x00000251223F0000-0x0000025122400000-memory.dmp

Filesize
64KB

Download
memory/4768-15-0x00007FFE2CA20000-0x00007FFE2D4E1000-memory.dmp

Filesize
10.8MB

Download
memory/4768-19-0x00007FFE2CA20000-0x00007FFE2D4E1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads