xtremerat | b1db1cedbe71ef794d5891a79b7f153b0fbe4fcc5f2d9ac9487bc3c460004026

General

Target

bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe
Size

268KB
MD5

bb4ede8613dfb84b369b93d800cd83c3
SHA1

51fba2585039dad6df1ec21a1a822f16ba054d15
SHA256

b1db1cedbe71ef794d5891a79b7f153b0fbe4fcc5f2d9ac9487bc3c460004026
SHA512

2f930f5cff1ca8d71f3ca1d634d1c7b9a62aaaa6c5037e816197cc4ed20bc24e515204ecb5688e4bbcab6fdb988e6be9a3b692396cc37b7d9832a66a6eda879d
SSDEEP

3072:hF5hfiQUSKDtXiJnY4igBz+uNmAlJwTRz1jPv2ifXqoL:/5bp+omAQB1jPv2if

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

ssaaiq.no-ip.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/940-5-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4888-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/940-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4888-9-0x0000000010000000-0x000000001004D000-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 4824 set thread context of 940	4824	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe	83

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/940-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/940-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/940-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/940-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4888-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/940-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4888-9-0x0000000010000000-0x000000001004D000-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
4592	4888	WerFault.exe	84
4412	4888	WerFault.exe	84

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	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4824	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 940	4824	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe	83
PID 4824 wrote to memory of 940	4824	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe	83
PID 4824 wrote to memory of 940	4824	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe	83
PID 4824 wrote to memory of 940	4824	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe	83
PID 4824 wrote to memory of 940	4824	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe	83
PID 4824 wrote to memory of 940	4824	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe	83
PID 4824 wrote to memory of 940	4824	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe	83
PID 4824 wrote to memory of 940	4824	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe	83
PID 940 wrote to memory of 4888	940	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe	84
PID 940 wrote to memory of 4888	940	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe	84
PID 940 wrote to memory of 4888	940	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe	84
PID 940 wrote to memory of 4888	940	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe	84
PID 940 wrote to memory of 3956	940	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe	85
PID 940 wrote to memory of 3956	940	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe	85
PID 940 wrote to memory of 3956	940	bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4824
- C:\Users\Admin\AppData\Local\Temp\bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\bb4ede8613dfb84b369b93d800cd83c3_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:940
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4888
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 472
      4⤵
      Program crash
      PID:4592
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 488
      4⤵
      Program crash
      PID:4412
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4888 -ip 4888
1⤵
PID:3612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4888 -ip 4888
1⤵
PID:5044

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/940-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/940-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/940-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/940-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/940-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4888-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/4888-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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