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
Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

1944 svchost.exe
Loads dropped DLL 6 IoCs

Processes:

cmd.exeWerFault.exe

pid process

2628 cmd.exe
1696 WerFault.exe
1696 WerFault.exe
1696 WerFault.exe
1696 WerFault.exe
1696 WerFault.exe

pid	process
1944	svchost.exe

pid	process
2628	cmd.exe
1696	WerFault.exe
1696	WerFault.exe
1696	WerFault.exe
1696	WerFault.exe
1696	WerFault.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-1-5-21-3787592910-3720486031-2929222812-1000\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 1944 set thread context of 2364 1944 svchost.exe regasm.exe

description	pid	process	target process
PID 1944 set thread context of 2364	1944	svchost.exe	regasm.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:

regasm.exe

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

2548 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2424 timeout.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

17d0b9ac75dfd038ac11c64940a5a6cb.exesvchost.exe

pid process

1048 17d0b9ac75dfd038ac11c64940a5a6cb.exe
1048 17d0b9ac75dfd038ac11c64940a5a6cb.exe
1048 17d0b9ac75dfd038ac11c64940a5a6cb.exe
1944 svchost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

17d0b9ac75dfd038ac11c64940a5a6cb.exesvchost.exe

description pid process

Token: SeDebugPrivilege 1048 17d0b9ac75dfd038ac11c64940a5a6cb.exe
Token: SeDebugPrivilege 1944 svchost.exe

pid	process
2548	schtasks.exe

pid	process
2424	timeout.exe

pid	process
1048	17d0b9ac75dfd038ac11c64940a5a6cb.exe
1048	17d0b9ac75dfd038ac11c64940a5a6cb.exe
1048	17d0b9ac75dfd038ac11c64940a5a6cb.exe
1944	svchost.exe

description	pid	process
Token: SeDebugPrivilege	1048	17d0b9ac75dfd038ac11c64940a5a6cb.exe
Token: SeDebugPrivilege	1944	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

17d0b9ac75dfd038ac11c64940a5a6cb.execmd.execmd.exesvchost.exe

description	pid	process	target process
PID 1048 wrote to memory of 2524	1048	17d0b9ac75dfd038ac11c64940a5a6cb.exe	cmd.exe
PID 1048 wrote to memory of 2524	1048	17d0b9ac75dfd038ac11c64940a5a6cb.exe	cmd.exe
PID 1048 wrote to memory of 2524	1048	17d0b9ac75dfd038ac11c64940a5a6cb.exe	cmd.exe
PID 1048 wrote to memory of 2628	1048	17d0b9ac75dfd038ac11c64940a5a6cb.exe	cmd.exe
PID 1048 wrote to memory of 2628	1048	17d0b9ac75dfd038ac11c64940a5a6cb.exe	cmd.exe
PID 1048 wrote to memory of 2628	1048	17d0b9ac75dfd038ac11c64940a5a6cb.exe	cmd.exe
PID 2524 wrote to memory of 2548	2524	cmd.exe	schtasks.exe
PID 2524 wrote to memory of 2548	2524	cmd.exe	schtasks.exe
PID 2524 wrote to memory of 2548	2524	cmd.exe	schtasks.exe
PID 2628 wrote to memory of 2424	2628	cmd.exe	timeout.exe
PID 2628 wrote to memory of 2424	2628	cmd.exe	timeout.exe
PID 2628 wrote to memory of 2424	2628	cmd.exe	timeout.exe
PID 2628 wrote to memory of 1944	2628	cmd.exe	svchost.exe
PID 2628 wrote to memory of 1944	2628	cmd.exe	svchost.exe
PID 2628 wrote to memory of 1944	2628	cmd.exe	svchost.exe
PID 1944 wrote to memory of 2364	1944	svchost.exe	regasm.exe
PID 1944 wrote to memory of 2364	1944	svchost.exe	regasm.exe
PID 1944 wrote to memory of 2364	1944	svchost.exe	regasm.exe
PID 1944 wrote to memory of 2364	1944	svchost.exe	regasm.exe
PID 1944 wrote to memory of 2364	1944	svchost.exe	regasm.exe
PID 1944 wrote to memory of 2364	1944	svchost.exe	regasm.exe
PID 1944 wrote to memory of 2364	1944	svchost.exe	regasm.exe
PID 1944 wrote to memory of 2364	1944	svchost.exe	regasm.exe
PID 1944 wrote to memory of 2364	1944	svchost.exe	regasm.exe
PID 1944 wrote to memory of 2364	1944	svchost.exe	regasm.exe
PID 1944 wrote to memory of 2364	1944	svchost.exe	regasm.exe
PID 1944 wrote to memory of 2364	1944	svchost.exe	regasm.exe
PID 1944 wrote to memory of 1696	1944	svchost.exe	WerFault.exe
PID 1944 wrote to memory of 1696	1944	svchost.exe	WerFault.exe
PID 1944 wrote to memory of 1696	1944	svchost.exe	WerFault.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⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048

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:2524

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:2548

C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp472E.tmp.bat""
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2628

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:2424

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:1944

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
4⤵
- Checks processor information in registry
PID:2364

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1944 -s 672
4⤵
- Loads dropped DLL
PID:1696

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

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp472E.tmp.bat
Filesize
151B

MD5
8762053af8ddfddd0bce6475655c0b51

SHA1
4f06654cc574c62bf0a03a38ab183b47748dc181

SHA256
cc7b1ee4acc0d5ebe7f012212a4afb55a22391bc42a64707095da5ed02511231

SHA512
035a2dba45892442614eee7a9349a3ccdf6c9a00e9ef5da16c5e248b48d8be61383cfd78d54f8e5cca416f80a7b9b60d65791005dafb8e912b567f8c7b6b3fe1

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

MD5
17d0b9ac75dfd038ac11c64940a5a6cb

SHA1
fdf4a6d488ba2220c808a8e233ea0e219273c3b2

SHA256
c994b9d016129f8a1e36b1e1f3288ef1385c6453497fc50cf129195e9769b8a5

SHA512
0ffb63b421da1daa0ca2098ea35b6e5be5b8613b9b4855b723b2c6032bcf644f7d00ddb35ab1af443c5f765fa10c61cb5c28fe81734ea4e582b51ed56c1afecd

Download Submit
memory/1048-1-0x000007FEF5E60000-0x000007FEF684C000-memory.dmp

Filesize
9.9MB

Download
memory/1048-2-0x000000001AD00000-0x000000001AD80000-memory.dmp

Filesize
512KB

Download
memory/1048-3-0x00000000006A0000-0x0000000000700000-memory.dmp

Filesize
384KB

Download
memory/1048-12-0x000007FEF5E60000-0x000007FEF684C000-memory.dmp

Filesize
9.9MB

Download
memory/1048-0-0x0000000000DA0000-0x0000000000DAC000-memory.dmp

Filesize
48KB

Download
memory/1944-40-0x000007FEF5470000-0x000007FEF5E5C000-memory.dmp

Filesize
9.9MB

Download
memory/1944-18-0x0000000001330000-0x000000000133C000-memory.dmp

Filesize
48KB

Download
memory/1944-19-0x000007FEF5470000-0x000007FEF5E5C000-memory.dmp

Filesize
9.9MB

Download
memory/1944-20-0x0000000001290000-0x0000000001310000-memory.dmp

Filesize
512KB

Download
memory/1944-41-0x0000000001290000-0x0000000001310000-memory.dmp

Filesize
512KB

Download
memory/2364-21-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2364-27-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2364-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2364-30-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2364-32-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2364-34-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2364-25-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2364-23-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads