xtremerat | 2234d95e29af8a2cd5a9e9e2e2f1c693d4741b509efe61aa113a8bbed53cbc59

General

Target

ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe
Size

207KB
MD5

ea8983f958f442796a3e83244da7de62
SHA1

707084c45fdd313eae7eeb7a369ea94bbbf7445a
SHA256

2234d95e29af8a2cd5a9e9e2e2f1c693d4741b509efe61aa113a8bbed53cbc59
SHA512

84358213e86d35461382457115a37db8e975579fffcb8409f1d7c9305779d4d1452f647355b2e00657914e56145b5bfd4b467c21185163bd9d8d1d5b836a5633
SSDEEP

3072:1Vg1cch3eku4/f5wDacak9Q4CvqSQJQt8DXB7/w24E2G/uipRpZUAE:/gKa3ekiWcakCKr52C3rM

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

sexy363.no-ip.biz

sexy31688.no-ip.org

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/1708-5-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1708-6-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1708-8-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1708-9-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3064-11-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/1708-12-0x0000000010000000-0x000000001004A000-memory.dmp	family_xtremerat
behavioral2/memory/3064-13-0x0000000010000000-0x000000001004A000-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

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4224 set thread context of 1708	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	87

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe
File created	C:\Windows\assembly\Desktop.ini	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe

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

System Information Discovery
T1082

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	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ctfmon.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe
Token: 33	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 1708	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	87
PID 4224 wrote to memory of 1708	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	87
PID 4224 wrote to memory of 1708	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	87
PID 4224 wrote to memory of 1708	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	87
PID 4224 wrote to memory of 1708	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	87
PID 4224 wrote to memory of 1708	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	87
PID 4224 wrote to memory of 1708	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	87
PID 4224 wrote to memory of 1708	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	87
PID 4224 wrote to memory of 1708	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	87
PID 4224 wrote to memory of 1708	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	87
PID 4224 wrote to memory of 1708	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	87
PID 4224 wrote to memory of 1708	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	87
PID 4224 wrote to memory of 1708	4224	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	87
PID 1708 wrote to memory of 3064	1708	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	88
PID 1708 wrote to memory of 3064	1708	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	88
PID 1708 wrote to memory of 3064	1708	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	88
PID 1708 wrote to memory of 3064	1708	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	88
PID 1708 wrote to memory of 3704	1708	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	89
PID 1708 wrote to memory of 3704	1708	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	89
PID 1708 wrote to memory of 3704	1708	ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe"
1⤵
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Users\Admin\AppData\Local\Temp\ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ea8983f958f442796a3e83244da7de62_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1708
- - C:\Windows\SysWOW64\Ctfmon.exe
    Ctfmon .exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3064
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3704

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/1708-5-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1708-6-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1708-8-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1708-9-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/1708-12-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3064-11-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/3064-13-0x0000000010000000-0x000000001004A000-memory.dmp

Filesize
296KB

Download
memory/4224-0-0x00000000754B2000-0x00000000754B3000-memory.dmp

Filesize
4KB

Download
memory/4224-1-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/4224-2-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/4224-10-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download

Analysis

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