xtremerat | 1138ecfb3ec46904475d5467ebc7877fd65b1f4a3dea29c2154517275d0d6b9a

General

Target

5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe
Size

221KB
MD5

5cd73b4a4552f2368ba91c4ce0fbaebd
SHA1

e240ffb1450804bc77c788a4ca66e247acb58746
SHA256

1138ecfb3ec46904475d5467ebc7877fd65b1f4a3dea29c2154517275d0d6b9a
SHA512

4e76d060b98d25ff7522a0085327864b8cf1bc4a8804da33aff61104ad0002fa4c4053101d8b1740b177aab60e8ebfb54ae7c3ec0739b69d0740cfb5aadb8dc0
SSDEEP

6144:5NKBp8BveI+M0kTc7Lp271HQoZJkgzF9JxdH:m+Bvoog7ynbzF9Z

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

crypo.no-ip.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/2360-10-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2360-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2360-15-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2496-16-0x0000000010000000-0x000000001004D000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 2360	1748	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	30

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2360-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2360-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2360-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2360-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2360-10-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2360-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2360-15-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2496-16-0x0000000010000000-0x000000001004D000-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	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1748	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 2360	1748	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2360	1748	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2360	1748	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2360	1748	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2360	1748	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2360	1748	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2360	1748	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2360	1748	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	30
PID 2360 wrote to memory of 2496	2360	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2496	2360	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2496	2360	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2496	2360	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2496	2360	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2388	2360	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	32
PID 2360 wrote to memory of 2388	2360	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	32
PID 2360 wrote to memory of 2388	2360	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	32
PID 2360 wrote to memory of 2388	2360	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	32
PID 2360 wrote to memory of 2388	2360	5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Users\Admin\AppData\Local\Temp\5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\5cd73b4a4552f2368ba91c4ce0fbaebd_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2496
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2388

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/2360-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2360-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2360-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2360-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2360-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2360-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2360-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2360-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2360-15-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2496-16-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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