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-1-5-21-1826666146-2574340311-1877551059-1000\Control Panel\International\Geo\Nation	17d0b9ac75dfd038ac11c64940a5a6cb.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2272 svchost.exe

pid	process
2272	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-1-5-21-1826666146-2574340311-1877551059-1000\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 2272 set thread context of 460 2272 svchost.exe regsvcs.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 2272 set thread context of 460	2272	svchost.exe	regsvcs.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:

regsvcs.exe

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

4724 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4804 timeout.exe

pid	process
4724	schtasks.exe

pid	process
4804	timeout.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

17d0b9ac75dfd038ac11c64940a5a6cb.exesvchost.exe

pid	process
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
2272	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

17d0b9ac75dfd038ac11c64940a5a6cb.exesvchost.exe

description pid process

Token: SeDebugPrivilege 2640 17d0b9ac75dfd038ac11c64940a5a6cb.exe
Token: SeDebugPrivilege 2272 svchost.exe

description	pid	process
Token: SeDebugPrivilege	2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe
Token: SeDebugPrivilege	2272	svchost.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

17d0b9ac75dfd038ac11c64940a5a6cb.execmd.execmd.exesvchost.exe

description	pid	process	target process
PID 2640 wrote to memory of 4884	2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe	cmd.exe
PID 2640 wrote to memory of 4884	2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe	cmd.exe
PID 2640 wrote to memory of 2056	2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe	cmd.exe
PID 2640 wrote to memory of 2056	2640	17d0b9ac75dfd038ac11c64940a5a6cb.exe	cmd.exe
PID 2056 wrote to memory of 4804	2056	cmd.exe	timeout.exe
PID 2056 wrote to memory of 4804	2056	cmd.exe	timeout.exe
PID 4884 wrote to memory of 4724	4884	cmd.exe	schtasks.exe
PID 4884 wrote to memory of 4724	4884	cmd.exe	schtasks.exe
PID 2056 wrote to memory of 2272	2056	cmd.exe	svchost.exe
PID 2056 wrote to memory of 2272	2056	cmd.exe	svchost.exe
PID 2272 wrote to memory of 460	2272	svchost.exe	regsvcs.exe
PID 2272 wrote to memory of 460	2272	svchost.exe	regsvcs.exe
PID 2272 wrote to memory of 460	2272	svchost.exe	regsvcs.exe
PID 2272 wrote to memory of 460	2272	svchost.exe	regsvcs.exe
PID 2272 wrote to memory of 460	2272	svchost.exe	regsvcs.exe
PID 2272 wrote to memory of 460	2272	svchost.exe	regsvcs.exe
PID 2272 wrote to memory of 460	2272	svchost.exe	regsvcs.exe
PID 2272 wrote to memory of 460	2272	svchost.exe	regsvcs.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:2640

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:4884

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:4724

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6ADF.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:2056

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:4804

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:2272

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
4⤵
- Checks processor information in registry
PID:460

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\tmp6ADF.tmp.bat
Filesize
151B

MD5
f386b30017dfc0ed6c79ad520a9c344b

SHA1
c61a12554cef7e3d839a30ba0ebc2990ea290eec

SHA256
cfc99423b7505cc1b3793c5b64ae75cad4d0bc6ae58a28a18dd52c246e2ea4e2

SHA512
7f32af7118a728a28818558295904cf6a557539edb591e29bd52e4db032753de6b5927229aa906f93d9451ad59ef418a25e337c53559e30097e71ee6a9fcda78

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

MD5
17d0b9ac75dfd038ac11c64940a5a6cb

SHA1
fdf4a6d488ba2220c808a8e233ea0e219273c3b2

SHA256
c994b9d016129f8a1e36b1e1f3288ef1385c6453497fc50cf129195e9769b8a5

SHA512
0ffb63b421da1daa0ca2098ea35b6e5be5b8613b9b4855b723b2c6032bcf644f7d00ddb35ab1af443c5f765fa10c61cb5c28fe81734ea4e582b51ed56c1afecd

Download Submit
memory/460-18-0x0000000005A20000-0x0000000005FC4000-memory.dmp

Filesize
5.6MB

Download
memory/460-21-0x0000000005960000-0x00000000059FC000-memory.dmp

Filesize
624KB

Download
memory/460-24-0x00000000055B0000-0x00000000055C0000-memory.dmp

Filesize
64KB

Download
memory/460-23-0x0000000075430000-0x0000000075BE0000-memory.dmp

Filesize
7.7MB

Download
memory/460-22-0x0000000005FD0000-0x0000000006036000-memory.dmp

Filesize
408KB

Download
memory/460-20-0x00000000055B0000-0x00000000055C0000-memory.dmp

Filesize
64KB

Download
memory/460-17-0x0000000075430000-0x0000000075BE0000-memory.dmp

Filesize
7.7MB

Download
memory/460-16-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2272-15-0x00007FFA9AD90000-0x00007FFA9B851000-memory.dmp

Filesize
10.8MB

Download
memory/2272-19-0x00007FFA9AD90000-0x00007FFA9B851000-memory.dmp

Filesize
10.8MB

Download
memory/2640-1-0x0000027D39150000-0x0000027D391C6000-memory.dmp

Filesize
472KB

Download
memory/2640-0-0x0000027D1ED50000-0x0000027D1ED5C000-memory.dmp

Filesize
48KB

Download
memory/2640-11-0x00007FFA9B440000-0x00007FFA9BF01000-memory.dmp

Filesize
10.8MB

Download
memory/2640-3-0x0000027D392E0000-0x0000027D392F0000-memory.dmp

Filesize
64KB

Download
memory/2640-2-0x00007FFA9B440000-0x00007FFA9BF01000-memory.dmp

Filesize
10.8MB

Download
memory/2640-5-0x0000027D20910000-0x0000027D20970000-memory.dmp

Filesize
384KB

Download
memory/2640-4-0x0000027D208F0000-0x0000027D2090E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads