xtremerat | b23637e9976fe510cdf4c202ed10ba0e85d163413b5462534b7a89c814e0c7bd

General

Target

JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe
Size

84KB
MD5

fbc4ae038d4a2ec5e97050b4170560f9
SHA1

664b5214116ea52c5e18e98364c5c4b25f14b5d8
SHA256

b23637e9976fe510cdf4c202ed10ba0e85d163413b5462534b7a89c814e0c7bd
SHA512

0dcc10bdde623442ea76fa6d125ac10c0141316cf5b23c0bd04470e662bde70eedbf0808085852290ec4a1eb993e3a2c9a2fbc938521c86d9cdd319972229b87
SSDEEP

1536:k6ZHUqJSAEmiOiPQqvYtjePUbR5xyEiE8Js7zDOuaZohp:BxU2SHSklvYAMLQEiEEuxaZoX

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

borcanoo.zapto.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/3240-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3240-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4068-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/3240-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4068-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat

XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat
Xtremerat family
xtremerat

Downloads MZ/PE file 1 IoCs

flow	pid	Process
35	2204	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 448 set thread context of 3240	448	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	88

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3240-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3240-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3240-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3240-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4068-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3240-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4068-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3224	4068	WerFault.exe	89
4392	4068	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 4 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_fbc4ae038d4a2ec5e97050b4170560f9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4832	MicrosoftEdgeUpdate.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
448	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 3240	448	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	88
PID 448 wrote to memory of 3240	448	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	88
PID 448 wrote to memory of 3240	448	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	88
PID 448 wrote to memory of 3240	448	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	88
PID 448 wrote to memory of 3240	448	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	88
PID 448 wrote to memory of 3240	448	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	88
PID 448 wrote to memory of 3240	448	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	88
PID 448 wrote to memory of 3240	448	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	88
PID 3240 wrote to memory of 4068	3240	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	89
PID 3240 wrote to memory of 4068	3240	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	89
PID 3240 wrote to memory of 4068	3240	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	89
PID 3240 wrote to memory of 4068	3240	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	89
PID 3240 wrote to memory of 4404	3240	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	91
PID 3240 wrote to memory of 4404	3240	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	91
PID 3240 wrote to memory of 4404	3240	JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:448
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fbc4ae038d4a2ec5e97050b4170560f9.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3240
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4068
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 484
      4⤵
      Program crash
      PID:3224
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 480
      4⤵
      Program crash
      PID:4392
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:4404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4068 -ip 4068
1⤵
PID:2500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4068 -ip 4068
1⤵
PID:4476

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7NEIxM0M5ODEtMzg2RC00QjA1LTgzOUUtNEUyMDdBMDg0RDJEfSIgdXNlcmlkPSJ7NDEzRjVDOTAtNkM0QS00NTNELTgyRDAtQjQ4RTgxNTRGMENBfSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7RjEzOUI4RTItRkMwQS00MThGLUE0REYtNTk3NzRGMDE5QzY1fSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDAxMDgzMzQwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/448-0-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/448-11-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/3240-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3240-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3240-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3240-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3240-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4068-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4068-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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