xtremerat | 68f27d78512341c8d6354b455f9c4233235aef3c964b7bc39cd75468e8c92edc

General

Target

cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe
Size

65KB
MD5

cc2d4bacfa81fab22601c7bd4a55fe4c
SHA1

9008480a27f4f38ddcccc63d0158ed8553d2b3cf
SHA256

68f27d78512341c8d6354b455f9c4233235aef3c964b7bc39cd75468e8c92edc
SHA512

9564bdf599cdf4a3f8420a10735d968c565e1731968651da633a0ba61de1f9d35ee3235df6dc3cc80ad2d982525cfd1f5cf5e56d42ebaba1495cf6da19b55542
SSDEEP

1536:k5QAEeWPJ3xZSglY/Vo0WsOxDUaObeP5oz7SDvMW75sil29:kKAEeUJB3cu0Wxjh5oz+YW7+ig9

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

h10mm.zapto.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/2256-7-0x0000000010000000-0x000000001004F000-memory.dmp	family_xtremerat
behavioral2/memory/2256-9-0x0000000010000000-0x000000001004F000-memory.dmp	family_xtremerat
behavioral2/memory/4664-10-0x0000000010000000-0x000000001004F000-memory.dmp	family_xtremerat
behavioral2/memory/2256-11-0x0000000010000000-0x000000001004F000-memory.dmp	family_xtremerat
behavioral2/memory/4664-12-0x0000000010000000-0x000000001004F000-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 1724 set thread context of 2256	1724	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe	82

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2256-3-0x0000000010000000-0x000000001004F000-memory.dmp	upx
behavioral2/memory/2256-6-0x0000000010000000-0x000000001004F000-memory.dmp	upx
behavioral2/memory/2256-7-0x0000000010000000-0x000000001004F000-memory.dmp	upx
behavioral2/memory/2256-9-0x0000000010000000-0x000000001004F000-memory.dmp	upx
behavioral2/memory/4664-10-0x0000000010000000-0x000000001004F000-memory.dmp	upx
behavioral2/memory/2256-11-0x0000000010000000-0x000000001004F000-memory.dmp	upx
behavioral2/memory/4664-12-0x0000000010000000-0x000000001004F000-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
368	4664	WerFault.exe	83
2332	4664	WerFault.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	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2256	1724	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe	82
PID 1724 wrote to memory of 2256	1724	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe	82
PID 1724 wrote to memory of 2256	1724	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe	82
PID 1724 wrote to memory of 2256	1724	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe	82
PID 1724 wrote to memory of 2256	1724	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe	82
PID 1724 wrote to memory of 2256	1724	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe	82
PID 1724 wrote to memory of 2256	1724	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe	82
PID 1724 wrote to memory of 2256	1724	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe	82
PID 2256 wrote to memory of 4664	2256	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe	83
PID 2256 wrote to memory of 4664	2256	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe	83
PID 2256 wrote to memory of 4664	2256	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe	83
PID 2256 wrote to memory of 4664	2256	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe	83
PID 2256 wrote to memory of 3776	2256	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe	84
PID 2256 wrote to memory of 3776	2256	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe	84
PID 2256 wrote to memory of 3776	2256	cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\cc2d4bacfa81fab22601c7bd4a55fe4c_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2256
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4664
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 488
      4⤵
      Program crash
      PID:368
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 496
      4⤵
      Program crash
      PID:2332
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4664 -ip 4664
1⤵
PID:2236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4664 -ip 4664
1⤵
PID:4868

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/1724-0-0x0000000075382000-0x0000000075383000-memory.dmp

Filesize
4KB

Download
memory/1724-1-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/1724-2-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/1724-8-0x0000000075380000-0x0000000075931000-memory.dmp

Filesize
5.7MB

Download
memory/2256-3-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/2256-6-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/2256-7-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/2256-9-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/2256-11-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/4664-10-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/4664-12-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download

Analysis

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