revengerat | 33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711

General

Target

33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe
Size

1.4MB
MD5

008f4bb84e287227a7b4e92522fe39c7
SHA1

e4013d7c81ecd1cf40990e73e6c65ce55d51a860
SHA256

33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711
SHA512

d53be6481857921ecc8905b79b843facf8d4e48a7019251bb0bf5424cc062e027cc8298428994ac427aaea4bf68230ddc8b81de7ff7c9564e672e5e791b468a4
SSDEEP

24576:wq5TfcdHj4fmb9Ve9y2qrmIMeYyBMLVzjrKEzKJ9TtL3/7/ij+O0zQJ9TtD5l9:wUTsamC9yxqjw53ij+25t

Score

10^/10

revengerat discovery stealer trojan upx

Malware Config

Signatures

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

RevengeRat Executable 1 IoCs

stealer

resource	yara_rule
behavioral2/files/0x000a000000023b69-6.dat	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe

Executes dropped EXE 1 IoCs

pid	Process
3204	dmr_72.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3868-20-0x0000000000A80000-0x0000000000D7D000-memory.dmp	autoit_exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3868-0-0x0000000000A80000-0x0000000000D7D000-memory.dmp	upx
behavioral2/memory/3868-20-0x0000000000A80000-0x0000000000D7D000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language	33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3868	33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe
3868	33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3204	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3868	33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe
3868	33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe
3868	33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3868	33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe
3868	33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe
3868	33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3204	dmr_72.exe
3204	dmr_72.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3868 wrote to memory of 3204	3868	33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe	82
PID 3868 wrote to memory of 3204	3868	33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe	82

C:\Users\Admin\AppData\Local\Temp\33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe
"C:\Users\Admin\AppData\Local\Temp\33945d89915cde3b544d70473bda2c798fb8769a385a35ffa59567f2aed0b711.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3868
- C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
  "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54391261 -chipderedesign -b92b8e377bf743d698566c711a916b38 - -BLUB2 -eunlzfgxisgrbgyj -3868
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe

Filesize
508KB

MD5
b65551132bca2fbdf2abbf4f73c4c457

SHA1
c1c66aa7ffd537df1720dd63e3be4e009b0793f2

SHA256
4b93ad5de51d187c10465421d9bf83491d35ad7ca74c4ea066ac0dc0ed9a07e0

SHA512
7232c84ef8775322fbddc27603d34f0025a07503f00099c7cffa8ff0689f131f01dd38fb542cbb75d12157090824d2631a573196f2b19c8b34a3f3b4d4b46323

Download Submit
C:\Users\Admin\AppData\Local\Temp\DMR\eunlzfgxisgrbgyj.dat

Filesize
145B

MD5
4d26a15fba51cdc4b7668e501f65f487

SHA1
3d89568a11f53c3728901f6194de6039b55f6519

SHA256
f4daf02c798691a08a0d1eb3a8b390d5cabee2dfa3736735d47a25fa0f3e2495

SHA512
e2d38013f092ea6562194b0c7519ae0b4aec598d1f136720c73294049f48a18a8f5a0d762a1a3f6e4a1af0eebb42adfc69d46bc21b0acca38b2d5ada94d8d826

Download Submit
memory/3204-13-0x00007FFBFB083000-0x00007FFBFB085000-memory.dmp

Filesize
8KB

Download
memory/3204-14-0x0000000000F10000-0x0000000000F94000-memory.dmp

Filesize
528KB

Download
memory/3204-16-0x00007FFBFB080000-0x00007FFBFBB41000-memory.dmp

Filesize
10.8MB

Download
memory/3204-17-0x00007FFBFB080000-0x00007FFBFBB41000-memory.dmp

Filesize
10.8MB

Download
memory/3204-18-0x00007FFBFB080000-0x00007FFBFBB41000-memory.dmp

Filesize
10.8MB

Download
memory/3204-19-0x00007FFBFB080000-0x00007FFBFBB41000-memory.dmp

Filesize
10.8MB

Download
memory/3204-22-0x00007FFBFB080000-0x00007FFBFBB41000-memory.dmp

Filesize
10.8MB

Download
memory/3868-0-0x0000000000A80000-0x0000000000D7D000-memory.dmp

Filesize
3.0MB

Download
memory/3868-20-0x0000000000A80000-0x0000000000D7D000-memory.dmp

Filesize
3.0MB

Download

Analysis

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