xtremerat | 21fbd811773b75aba3a413aa1160554bf42fe8e06d7a74df3936891810939fd8

General

Target

JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe
Size

672KB
MD5

6a2d057d6e1d0d4676665b813d7c2a20
SHA1

871e05b7ed5427a0bf46b0364a4d85be1114b12f
SHA256

21fbd811773b75aba3a413aa1160554bf42fe8e06d7a74df3936891810939fd8
SHA512

8a6da16becddfcb1c36a6418d5828ec6b0068ab010daf9e77a2fec3d0f873def7ddb071bda701c0afeaa5017e0f2f0361e4b3cbe3cb133015e79ffd8ced6f449
SSDEEP

12288:p94zs+Be5EeypFYGacFpibqMHP5TZEIWwsN:3uv3GbqQPGD

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

iphetable.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/428-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/428-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4060-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/428-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4060-12-0x0000000010000000-0x000000001004D000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2156 set thread context of 428	2156	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe	84

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/428-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/428-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/428-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/428-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4060-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/428-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4060-12-0x0000000010000000-0x000000001004D000-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
1888	4060	WerFault.exe	85
4844	4060	WerFault.exe	85

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2156	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 428	2156	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe	84
PID 2156 wrote to memory of 428	2156	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe	84
PID 2156 wrote to memory of 428	2156	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe	84
PID 2156 wrote to memory of 428	2156	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe	84
PID 2156 wrote to memory of 428	2156	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe	84
PID 2156 wrote to memory of 428	2156	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe	84
PID 2156 wrote to memory of 428	2156	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe	84
PID 2156 wrote to memory of 428	2156	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe	84
PID 428 wrote to memory of 4060	428	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe	85
PID 428 wrote to memory of 4060	428	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe	85
PID 428 wrote to memory of 4060	428	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe	85
PID 428 wrote to memory of 4060	428	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe	85
PID 428 wrote to memory of 3484	428	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe	86
PID 428 wrote to memory of 3484	428	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe	86
PID 428 wrote to memory of 3484	428	JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a2d057d6e1d0d4676665b813d7c2a20.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:428
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4060
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 480
      4⤵
      Program crash
      PID:1888
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 488
      4⤵
      Program crash
      PID:4844
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4060 -ip 4060
1⤵
PID:2988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4060 -ip 4060
1⤵
PID:4532

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/428-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/428-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/428-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/428-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/428-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2156-0-0x0000000075522000-0x0000000075523000-memory.dmp

Filesize
4KB

Download
memory/2156-1-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/2156-2-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/2156-7-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/4060-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4060-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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