revengerat | 3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8

General

Target

3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe
Size

172KB
MD5

4e85bff3f7fae195ba997de834e23c06
SHA1

3aff4c5071c186b91db043ccefbee615f48a1342
SHA256

3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8
SHA512

ac2460a55edc79b3eab9a5929275d97eb5bd9757af202359b40ef7282e442d047c3373f93f1b15ad4ee85f70cf377e2960df0394f8966d3c1e9ff1b751b659b8

Score

10^/10

revengerat guest stealer trojan

Malware Config

Extracted

Family

revengerat

Botnet

Guest

C2

199.195.250.222:666

Mutex

RV_MUTEX-XawrHJfWfhaR

Signatures

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

RevengeRat Executable 1 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/3472-147-0x0000000000400000-0x000000000040A000-memory.dmp	revengerat

Executes dropped EXE 3 IoCs

Processes:

opera.exeopera.exeskype.exe

pid process

2628 opera.exe
3472 opera.exe
1840 skype.exe

pid	process
2628	opera.exe
3472	opera.exe
1840	skype.exe

Checks computer location settings 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exeopera.exeopera.exeskype.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	opera.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	opera.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	skype.exe

Drops startup file 1 IoCs

Processes:

opera.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\opera.lnk opera.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

opera.exe

description pid process target process

PID 2628 set thread context of 3472 2628 opera.exe opera.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\opera.lnk	opera.exe

description	pid	process	target process
PID 2628 set thread context of 3472	2628	opera.exe	opera.exe

NTFS ADS 9 IoCs

Processes:

cmd.execmd.exeopera.execmd.execmd.execmd.execmd.execmd.execmd.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe:Zone.Identifier	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\opera.exe:Zone.Identifier	cmd.exe
File created	C:\Users\Admin\AppData\Roaming\skype.exe\:Zone.Identifier:$DATA	opera.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\skype.exe:Zone.Identifier	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe:Zone.Identifier	cmd.exe
File created	C:\Users\Admin\AppData\Roaming\opera.exe\:Zone.Identifier:$DATA	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\opera.exe:Zone.Identifier	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\skype.exe:Zone.Identifier	cmd.exe
File created	C:\Users\Admin\AppData\Roaming\opera.exe\:Zone.Identifier:$DATA	cmd.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exeopera.exeopera.exeskype.exe

description	pid	process
Token: SeDebugPrivilege	1696	3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe
Token: SeDebugPrivilege	2628	opera.exe
Token: SeDebugPrivilege	3472	opera.exe
Token: SeDebugPrivilege	1840	skype.exe

Suspicious use of WriteProcessMemory 40 IoCs

Processes:

3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.execmd.exeopera.exeopera.exeskype.exe

description	pid	process	target process
PID 1696 wrote to memory of 1848	1696	3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe	cmd.exe
PID 1696 wrote to memory of 1848	1696	3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe	cmd.exe
PID 1696 wrote to memory of 1848	1696	3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe	cmd.exe
PID 1696 wrote to memory of 1792	1696	3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe	cmd.exe
PID 1696 wrote to memory of 1792	1696	3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe	cmd.exe
PID 1696 wrote to memory of 1792	1696	3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe	cmd.exe
PID 1696 wrote to memory of 2376	1696	3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe	cmd.exe
PID 1696 wrote to memory of 2376	1696	3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe	cmd.exe
PID 1696 wrote to memory of 2376	1696	3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe	cmd.exe
PID 1696 wrote to memory of 4704	1696	3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe	cmd.exe
PID 1696 wrote to memory of 4704	1696	3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe	cmd.exe
PID 1696 wrote to memory of 4704	1696	3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe	cmd.exe
PID 4704 wrote to memory of 2628	4704	cmd.exe	opera.exe
PID 4704 wrote to memory of 2628	4704	cmd.exe	opera.exe
PID 4704 wrote to memory of 2628	4704	cmd.exe	opera.exe
PID 2628 wrote to memory of 1504	2628	opera.exe	cmd.exe
PID 2628 wrote to memory of 1504	2628	opera.exe	cmd.exe
PID 2628 wrote to memory of 1504	2628	opera.exe	cmd.exe
PID 2628 wrote to memory of 3780	2628	opera.exe	cmd.exe
PID 2628 wrote to memory of 3780	2628	opera.exe	cmd.exe
PID 2628 wrote to memory of 3780	2628	opera.exe	cmd.exe
PID 2628 wrote to memory of 3472	2628	opera.exe	opera.exe
PID 2628 wrote to memory of 3472	2628	opera.exe	opera.exe
PID 2628 wrote to memory of 3472	2628	opera.exe	opera.exe
PID 2628 wrote to memory of 3472	2628	opera.exe	opera.exe
PID 2628 wrote to memory of 3472	2628	opera.exe	opera.exe
PID 2628 wrote to memory of 3472	2628	opera.exe	opera.exe
PID 2628 wrote to memory of 3472	2628	opera.exe	opera.exe
PID 3472 wrote to memory of 1840	3472	opera.exe	skype.exe
PID 3472 wrote to memory of 1840	3472	opera.exe	skype.exe
PID 3472 wrote to memory of 1840	3472	opera.exe	skype.exe
PID 1840 wrote to memory of 1272	1840	skype.exe	cmd.exe
PID 1840 wrote to memory of 1272	1840	skype.exe	cmd.exe
PID 1840 wrote to memory of 1272	1840	skype.exe	cmd.exe
PID 1840 wrote to memory of 4752	1840	skype.exe	cmd.exe
PID 1840 wrote to memory of 4752	1840	skype.exe	cmd.exe
PID 1840 wrote to memory of 4752	1840	skype.exe	cmd.exe
PID 1840 wrote to memory of 860	1840	skype.exe	cmd.exe
PID 1840 wrote to memory of 860	1840	skype.exe	cmd.exe
PID 1840 wrote to memory of 860	1840	skype.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe
"C:\Users\Admin\AppData\Local\Temp\3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe:Zone.Identifier"
2⤵
- NTFS ADS
PID:1848

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe:Zone.Identifier"
2⤵
- NTFS ADS
PID:1792

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8.exe" "C:\Users\Admin\AppData\Roaming\opera.exe"
2⤵
- NTFS ADS
PID:2376

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Roaming\opera.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4704

C:\Users\Admin\AppData\Roaming\opera.exe
"C:\Users\Admin\AppData\Roaming\opera.exe"
3⤵
- Executes dropped EXE
- Checks computer location settings
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2628

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Roaming\opera.exe:Zone.Identifier"
4⤵
- NTFS ADS
PID:1504

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Roaming\opera.exe:Zone.Identifier"
4⤵
- NTFS ADS
PID:3780

C:\Users\Admin\AppData\Roaming\opera.exe
"C:\Users\Admin\AppData\Roaming\opera.exe"
4⤵
- Executes dropped EXE
- Checks computer location settings
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3472

C:\Users\Admin\AppData\Roaming\skype.exe
"C:\Users\Admin\AppData\Roaming\skype.exe"
5⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1840

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Roaming\skype.exe:Zone.Identifier"
6⤵
- NTFS ADS
PID:1272

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Roaming\skype.exe:Zone.Identifier"
6⤵
- NTFS ADS
PID:4752

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Roaming\skype.exe" "C:\Users\Admin\AppData\Roaming\opera.exe"
6⤵
- NTFS ADS
PID:860

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\opera.exe.log
Filesize
990B

MD5
170a0d0ffeab25418914970e24e92882

SHA1
7f8b4e3d2055b93bae7aed7e4a870cb587ec15a7

SHA256
8a8adb54e43567ca2dc37ccf3cae976423a8e97bee883653597827dc839540d8

SHA512
fbfe490bf727444bcf4ab135b6f859745e3122d13e1f7a38745b4c38b158dd72f333a92e53b3891362714b4ff5419be5ec81ca425a3004b6e3b6c610c548e2f1

Download Submit
C:\Users\Admin\AppData\Roaming\opera.exe
Filesize
172KB

MD5
4e85bff3f7fae195ba997de834e23c06

SHA1
3aff4c5071c186b91db043ccefbee615f48a1342

SHA256
3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8

SHA512
ac2460a55edc79b3eab9a5929275d97eb5bd9757af202359b40ef7282e442d047c3373f93f1b15ad4ee85f70cf377e2960df0394f8966d3c1e9ff1b751b659b8

Download Submit
C:\Users\Admin\AppData\Roaming\opera.exe
Filesize
172KB

MD5
4e85bff3f7fae195ba997de834e23c06

SHA1
3aff4c5071c186b91db043ccefbee615f48a1342

SHA256
3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8

SHA512
ac2460a55edc79b3eab9a5929275d97eb5bd9757af202359b40ef7282e442d047c3373f93f1b15ad4ee85f70cf377e2960df0394f8966d3c1e9ff1b751b659b8

Download Submit
C:\Users\Admin\AppData\Roaming\opera.exe
Filesize
172KB

MD5
4e85bff3f7fae195ba997de834e23c06

SHA1
3aff4c5071c186b91db043ccefbee615f48a1342

SHA256
3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8

SHA512
ac2460a55edc79b3eab9a5929275d97eb5bd9757af202359b40ef7282e442d047c3373f93f1b15ad4ee85f70cf377e2960df0394f8966d3c1e9ff1b751b659b8

Download Submit
C:\Users\Admin\AppData\Roaming\skype.exe
Filesize
172KB

MD5
4e85bff3f7fae195ba997de834e23c06

SHA1
3aff4c5071c186b91db043ccefbee615f48a1342

SHA256
3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8

SHA512
ac2460a55edc79b3eab9a5929275d97eb5bd9757af202359b40ef7282e442d047c3373f93f1b15ad4ee85f70cf377e2960df0394f8966d3c1e9ff1b751b659b8

Download Submit
C:\Users\Admin\AppData\Roaming\skype.exe
Filesize
172KB

MD5
4e85bff3f7fae195ba997de834e23c06

SHA1
3aff4c5071c186b91db043ccefbee615f48a1342

SHA256
3249bf20c3e1bf52f6fd223bbd6b2c7f181d951ddbe2868ee0b33607224516d8

SHA512
ac2460a55edc79b3eab9a5929275d97eb5bd9757af202359b40ef7282e442d047c3373f93f1b15ad4ee85f70cf377e2960df0394f8966d3c1e9ff1b751b659b8

Download Submit
memory/860-155-0x0000000000000000-mapping.dmp

Download
memory/1272-153-0x0000000000000000-mapping.dmp

Download
memory/1504-143-0x0000000000000000-mapping.dmp

Download
memory/1696-136-0x00000000091E0000-0x00000000093A2000-memory.dmp

Filesize
1.8MB

Download
memory/1696-133-0x0000000008840000-0x00000000088A6000-memory.dmp

Filesize
408KB

Download
memory/1696-132-0x0000000005730000-0x00000000057C2000-memory.dmp

Filesize
584KB

Download
memory/1696-130-0x0000000000E80000-0x0000000000EB4000-memory.dmp

Filesize
208KB

Download
memory/1696-134-0x0000000008800000-0x0000000008822000-memory.dmp

Filesize
136KB

Download
memory/1696-131-0x0000000005C00000-0x00000000061A4000-memory.dmp

Filesize
5.6MB

Download
memory/1792-137-0x0000000000000000-mapping.dmp

Download
memory/1840-150-0x0000000000000000-mapping.dmp

Download
memory/1848-135-0x0000000000000000-mapping.dmp

Download
memory/2376-138-0x0000000000000000-mapping.dmp

Download
memory/2628-145-0x0000000008BC0000-0x0000000008C5C000-memory.dmp

Filesize
624KB

Download
memory/2628-140-0x0000000000000000-mapping.dmp

Download
memory/3472-147-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3472-146-0x0000000000000000-mapping.dmp

Download
memory/3780-144-0x0000000000000000-mapping.dmp

Download
memory/4704-139-0x0000000000000000-mapping.dmp

Download
memory/4752-154-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads