xtremerat | e6a899fb6b109125d17e118945793c5f228db092091f2a4f822704bed7152fdb

General

Target

JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe
Size

897KB
MD5

791fc7c8280b6ae952b12e031b5cb5a0
SHA1

5106832093271745e45eb057c32dd8fc62a2c535
SHA256

e6a899fb6b109125d17e118945793c5f228db092091f2a4f822704bed7152fdb
SHA512

40dd981673a6842877ee851efd3b7de74bac9429bbe942296f650bf7132ac9a7ac33221a6df1aac1ae97753873a1c8d348433f2e477227e94186c5d5610951e2
SSDEEP

24576:K4lavt0LkLL9IMixoEgea01PncVq9MmCS7D:dkwkn9IMHea01IaPCS7D

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

psyy.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2936-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2936-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1096-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2936-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1096-12-0x0000000010000000-0x000000001004D000-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 1288 set thread context of 2936	1288	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	31

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2936-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2936-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2936-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2936-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1096-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2936-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1096-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx

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

System Information Discovery
T1082

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	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1288	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 2936	1288	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	31
PID 1288 wrote to memory of 2936	1288	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	31
PID 1288 wrote to memory of 2936	1288	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	31
PID 1288 wrote to memory of 2936	1288	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	31
PID 1288 wrote to memory of 2936	1288	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	31
PID 1288 wrote to memory of 2936	1288	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	31
PID 2936 wrote to memory of 1096	2936	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	32
PID 2936 wrote to memory of 1096	2936	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	32
PID 2936 wrote to memory of 1096	2936	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	32
PID 2936 wrote to memory of 1096	2936	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	32
PID 2936 wrote to memory of 1096	2936	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	32
PID 2936 wrote to memory of 2896	2936	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	33
PID 2936 wrote to memory of 2896	2936	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	33
PID 2936 wrote to memory of 2896	2936	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	33
PID 2936 wrote to memory of 2896	2936	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	33
PID 2936 wrote to memory of 2896	2936	JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_791fc7c8280b6ae952b12e031b5cb5a0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1096
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2896

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

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Downloads

memory/1096-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1096-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2936-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2936-1-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2936-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2936-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2936-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2936-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2936-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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