revengerat | 5da2b86d941d0c24e21a5a49f1a6764dc73096a5f5e2128f05581147e7b548e7

General

Target

JaffaCakes118_91104d8f4ecd179a4ed5432d892756db.exe
Size

60KB
MD5

91104d8f4ecd179a4ed5432d892756db
SHA1

39e745d84e1d6bcad456730a22ea6f8ce52192ba
SHA256

5da2b86d941d0c24e21a5a49f1a6764dc73096a5f5e2128f05581147e7b548e7
SHA512

e4ba79056502b0f8c0966bd12ef0dab8e56009623f888f034d24fc85323f091e571cdf3bbc8e46c401e2a33a231190e2b4a00ae50171a47afd00067028389167
SSDEEP

1536:6FIKcG3XCvYtGq2gkXp1z7r5bjzjFnpVjyl+:6FIE3Cyh2th7NL1jq+

Score

10^/10

revengerat discovery stealer trojan

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/0x000a000000023bc9-25.dat	revengerat

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1868 set thread context of 5096	1868	JaffaCakes118_91104d8f4ecd179a4ed5432d892756db.exe	82
PID 5096 set thread context of 4784	5096	CasPol.exe	83

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	JaffaCakes118_91104d8f4ecd179a4ed5432d892756db.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CasPol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CasPol.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings	CasPol.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1868	JaffaCakes118_91104d8f4ecd179a4ed5432d892756db.exe
Token: SeDebugPrivilege	5096	CasPol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1432	OpenWith.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 5096	1868	JaffaCakes118_91104d8f4ecd179a4ed5432d892756db.exe	82
PID 1868 wrote to memory of 5096	1868	JaffaCakes118_91104d8f4ecd179a4ed5432d892756db.exe	82
PID 1868 wrote to memory of 5096	1868	JaffaCakes118_91104d8f4ecd179a4ed5432d892756db.exe	82
PID 1868 wrote to memory of 5096	1868	JaffaCakes118_91104d8f4ecd179a4ed5432d892756db.exe	82
PID 1868 wrote to memory of 5096	1868	JaffaCakes118_91104d8f4ecd179a4ed5432d892756db.exe	82
PID 1868 wrote to memory of 5096	1868	JaffaCakes118_91104d8f4ecd179a4ed5432d892756db.exe	82
PID 1868 wrote to memory of 5096	1868	JaffaCakes118_91104d8f4ecd179a4ed5432d892756db.exe	82
PID 1868 wrote to memory of 5096	1868	JaffaCakes118_91104d8f4ecd179a4ed5432d892756db.exe	82
PID 1868 wrote to memory of 5096	1868	JaffaCakes118_91104d8f4ecd179a4ed5432d892756db.exe	82
PID 5096 wrote to memory of 4784	5096	CasPol.exe	83
PID 5096 wrote to memory of 4784	5096	CasPol.exe	83
PID 5096 wrote to memory of 4784	5096	CasPol.exe	83
PID 5096 wrote to memory of 4784	5096	CasPol.exe	83
PID 5096 wrote to memory of 4784	5096	CasPol.exe	83
PID 5096 wrote to memory of 4784	5096	CasPol.exe	83
PID 5096 wrote to memory of 4784	5096	CasPol.exe	83
PID 5096 wrote to memory of 4784	5096	CasPol.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91104d8f4ecd179a4ed5432d892756db.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_91104d8f4ecd179a4ed5432d892756db.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5096
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4784

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\Microsoft\CLR_v4.0_32\UsageLogs\CasPol.exe.log

Filesize
42B

MD5
84cfdb4b995b1dbf543b26b86c863adc

SHA1
d2f47764908bf30036cf8248b9ff5541e2711fa2

SHA256
d8988d672d6915b46946b28c06ad8066c50041f6152a91d37ffa5cf129cc146b

SHA512
485f0ed45e13f00a93762cbf15b4b8f996553baa021152fae5aba051e3736bcd3ca8f4328f0e6d9e3e1f910c96c4a9ae055331123ee08e3c2ce3a99ac2e177ce

Download Submit
C:\Users\Admin\AppData\Local\Temp\hwiejYAoBL.txt

Filesize
84B

MD5
80b8964f9daa5fb1ff283bb95aea723b

SHA1
9da3c3251d8a16073416f8d7383fda4368d0c2eb

SHA256
b29a91b2f873bea7971caf95fcb7a6f795e89d87408d915df62c51aff40c423c

SHA512
b735f87723a17e73cfdc1215090c6ce56a6c56c869bceb7f8b4e2951d5f87721c3b371d9fbd10fc1488742ffa47981293d184ba66a3ec68ac922dc627b3eb0ad

Download Submit
C:\Users\Admin\AppData\Roaming\Casspol

Filesize
60KB

MD5
91104d8f4ecd179a4ed5432d892756db

SHA1
39e745d84e1d6bcad456730a22ea6f8ce52192ba

SHA256
5da2b86d941d0c24e21a5a49f1a6764dc73096a5f5e2128f05581147e7b548e7

SHA512
e4ba79056502b0f8c0966bd12ef0dab8e56009623f888f034d24fc85323f091e571cdf3bbc8e46c401e2a33a231190e2b4a00ae50171a47afd00067028389167

Download Submit
memory/1868-7-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download
memory/1868-2-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download
memory/1868-0-0x0000000075012000-0x0000000075013000-memory.dmp

Filesize
4KB

Download
memory/1868-1-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download
memory/4784-19-0x0000000072DD0000-0x0000000073580000-memory.dmp

Filesize
7.7MB

Download
memory/4784-12-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4784-15-0x0000000072DD0000-0x0000000073580000-memory.dmp

Filesize
7.7MB

Download
memory/5096-17-0x0000000072DD0000-0x0000000073580000-memory.dmp

Filesize
7.7MB

Download
memory/5096-4-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5096-11-0x0000000005860000-0x00000000058C6000-memory.dmp

Filesize
408KB

Download
memory/5096-16-0x0000000006590000-0x0000000006622000-memory.dmp

Filesize
584KB

Download
memory/5096-10-0x0000000005DA0000-0x0000000006344000-memory.dmp

Filesize
5.6MB

Download
memory/5096-18-0x0000000072DDE000-0x0000000072DDF000-memory.dmp

Filesize
4KB

Download
memory/5096-6-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5096-20-0x0000000072DD0000-0x0000000073580000-memory.dmp

Filesize
7.7MB

Download
memory/5096-9-0x0000000005750000-0x00000000057EC000-memory.dmp

Filesize
624KB

Download
memory/5096-8-0x0000000072DDE000-0x0000000072DDF000-memory.dmp

Filesize
4KB

Download
memory/5096-28-0x0000000072DD0000-0x0000000073580000-memory.dmp

Filesize
7.7MB

Download

Analysis

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