revengerat | 1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1

General

Target

1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1.exe
Size

1.1MB
MD5

0a9ed6e28c9467cc163965787237309e
SHA1

17b14a90216e01de78ed0084f3b1890aa6c8730e
SHA256

1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1
SHA512

6e44c614264165f504d68298ac8f7a894a2b61462b27e1a8c4d83d406d45ef55713e41f04e6a8953e4e3dc990c7fde8df44ff969be94ad99acdd051a762c70dc
SSDEEP

24576:tq5TfcdHj4fmb12qg0MmV0VMXLG3on1Gx1s4oo5osSx7:tUTsamhxMo1no5oR

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/0x000c000000023b79-6.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1.exe

Executes dropped EXE 1 IoCs

pid	Process
1092	dmr_72.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4928-19-0x0000000000E40000-0x00000000010B6000-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/4928-0-0x0000000000E40000-0x00000000010B6000-memory.dmp	upx
behavioral2/memory/4928-19-0x0000000000E40000-0x00000000010B6000-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	1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4928	1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1092	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4928	1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1.exe
4928	1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1.exe
4928	1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4928	1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1.exe
4928	1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1.exe
4928	1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1092	dmr_72.exe
1092	dmr_72.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 1092	4928	1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1.exe	82
PID 4928 wrote to memory of 1092	4928	1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1.exe	82

C:\Users\Admin\AppData\Local\Temp\1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1.exe
"C:\Users\Admin\AppData\Local\Temp\1371138743183eb6011c7e5c9a406220b3f1b106f0883fc9ddb7bcf2a8bd73c1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
  "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54412761 -chipde -6bda96e3b9cd4abe8beb55475b767d01 - -BLUB2 -kakhtqjofmelhohx -4928
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1092

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

Replay Monitor

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Downloads

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

Filesize
373KB

MD5
7563de18185a34b3717528c1f18f0e60

SHA1
4e5e8b54dda603d7e83f3ede2bcdd8064d4edf22

SHA256
266b2766df8a91a8baa41ae47b5cbe03e80023516c6c69613ebf956b2574e82d

SHA512
2ea8afc613bb175a5399045017f306d12da1d300c443570039937896b66fffa346baaba46d2a7b45817db955fc4d86dc6e658677bfe30ef74355a0cef7ea6cbb

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

Filesize
165B

MD5
ac8be1dbb61d256d647429f97f77148d

SHA1
847f25e227d8215d4ef34aca3bf31d1bb11bc3fc

SHA256
69a6e6f8d84682ad3921f9453a2a14fe9555e3940a56cf46897a204deeb0f1c1

SHA512
dd21d4f6abd519ad79484edf97ecff01ce4a8bba8668525ef5ebf38090687474d7a9bafc0578df2c0e2a360f6cdc3117d5072c5fae017ccac04e3e2225f41dda

Download Submit
memory/1092-13-0x00007FF929F63000-0x00007FF929F65000-memory.dmp

Filesize
8KB

Download
memory/1092-14-0x0000000000560000-0x00000000005C2000-memory.dmp

Filesize
392KB

Download
memory/1092-16-0x00007FF929F60000-0x00007FF92AA21000-memory.dmp

Filesize
10.8MB

Download
memory/1092-17-0x00007FF929F60000-0x00007FF92AA21000-memory.dmp

Filesize
10.8MB

Download
memory/1092-18-0x00007FF929F60000-0x00007FF92AA21000-memory.dmp

Filesize
10.8MB

Download
memory/1092-21-0x000000001D960000-0x000000001E0B7000-memory.dmp

Filesize
7.3MB

Download
memory/1092-22-0x00007FF929F60000-0x00007FF92AA21000-memory.dmp

Filesize
10.8MB

Download
memory/4928-0-0x0000000000E40000-0x00000000010B6000-memory.dmp

Filesize
2.5MB

Download
memory/4928-19-0x0000000000E40000-0x00000000010B6000-memory.dmp

Filesize
2.5MB

Download

Analysis

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