xtremerat | 2d7157fb767670ca7ec64558a23afac6f19336993c79d5cdabfc482d5d899771

General

Target

76187fe8eca802abf046be517add1e53_JaffaCakes118.exe
Size

91KB
MD5

76187fe8eca802abf046be517add1e53
SHA1

0739440a671c1eeed33c64944e2d07ce93d49da7
SHA256

2d7157fb767670ca7ec64558a23afac6f19336993c79d5cdabfc482d5d899771
SHA512

f1630985ae3fcfbc23a3a0d206ec177cf4ece9e8bfdd8a854f120def2eeec1abfccf75071aabe48d3d757a71692bca88a311bc78f78a5bb1fbfcc7b8b1dacf27
SSDEEP

1536:lG2EnTramCVTJ10eZyhVuk7vVkXOcyfwICEC0whqhBH5L9CkPI+:lynvBCVTJ10em08O+cWzCKwWHV9++

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

Ħ桤汔aminehk.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/448-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/448-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4488-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/448-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4488-13-0x0000000010000000-0x000000001004D000-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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/448-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/448-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/448-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/448-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4488-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/448-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4488-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4484 set thread context of 448	4484	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe	89

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
4312	4488	WerFault.exe	90
408	4488	WerFault.exe	90

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	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4484	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 448	4484	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe	89
PID 4484 wrote to memory of 448	4484	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe	89
PID 4484 wrote to memory of 448	4484	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe	89
PID 4484 wrote to memory of 448	4484	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe	89
PID 4484 wrote to memory of 448	4484	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe	89
PID 4484 wrote to memory of 448	4484	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe	89
PID 4484 wrote to memory of 448	4484	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe	89
PID 4484 wrote to memory of 448	4484	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe	89
PID 448 wrote to memory of 4488	448	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe	90
PID 448 wrote to memory of 4488	448	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe	90
PID 448 wrote to memory of 4488	448	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe	90
PID 448 wrote to memory of 4488	448	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe	90
PID 448 wrote to memory of 316	448	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe	91
PID 448 wrote to memory of 316	448	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe	91
PID 448 wrote to memory of 316	448	76187fe8eca802abf046be517add1e53_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\76187fe8eca802abf046be517add1e53_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\76187fe8eca802abf046be517add1e53_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4484
- C:\Users\Admin\AppData\Local\Temp\76187fe8eca802abf046be517add1e53_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\76187fe8eca802abf046be517add1e53_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:448
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4488
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 480
      4⤵
      Program crash
      PID:4312
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 488
      4⤵
      Program crash
      PID:408
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4488 -ip 4488
1⤵
PID:464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4488 -ip 4488
1⤵
PID:748

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/448-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/448-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/448-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/448-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/448-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4484-0-0x0000000075002000-0x0000000075003000-memory.dmp

Filesize
4KB

Download
memory/4484-1-0x0000000075000000-0x00000000755B1000-memory.dmp

Filesize
5.7MB

Download
memory/4484-2-0x0000000075000000-0x00000000755B1000-memory.dmp

Filesize
5.7MB

Download
memory/4484-9-0x0000000075000000-0x00000000755B1000-memory.dmp

Filesize
5.7MB

Download
memory/4488-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4488-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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