xtremerat | 869d5baacdc7a8a57f8702c7904c4b3fc9bd90af70ff08845b83d2b3ff848e40

General

Target

5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe
Size

163KB
MD5

5c23c609fee1f330cd584285ab2cdaf6
SHA1

4e80df6d24ae1dc86994347fe6ddcbcb0648f5b6
SHA256

869d5baacdc7a8a57f8702c7904c4b3fc9bd90af70ff08845b83d2b3ff848e40
SHA512

86bc3d0cfe156723ac3c313c11610871313ae65529268c6e8bc382ce494490f33e63fc48139a602c0eb2402b9f4cdff24722116666a166a4c17d410b0bd7812b
SSDEEP

3072:DzgnMZMAht0Nht4pr9NJWqrkuBIH4qx+9gnUhPSNNfX+v+EBEhpa:wCMOpLIqNBgfCuOv+Ev

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

xstrema.no-ip.org

Signatures

Detect XtremeRAT payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2532-15-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2304-19-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2532-20-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2304-21-0x0000000010000000-0x000000001004D000-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
Drops file in System32 directory 1 IoCs

Processes:

5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe

description ioc process

File created C:\Windows\SysWOW64\ 5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\SysWOW64\	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe

description	pid	process	target process
PID 2068 set thread context of 2532	2068	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2532-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2532-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2532-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2532-15-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2532-16-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2532-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2304-19-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2532-20-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2304-21-0x0000000010000000-0x000000001004D000-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

Processes:

5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe

pid process

2068 5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe

pid	process
2068	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe

description	pid	process	target process
PID 2068 wrote to memory of 2532	2068	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe
PID 2068 wrote to memory of 2532	2068	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe
PID 2068 wrote to memory of 2532	2068	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe
PID 2068 wrote to memory of 2532	2068	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe
PID 2068 wrote to memory of 2532	2068	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe
PID 2068 wrote to memory of 2532	2068	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe
PID 2068 wrote to memory of 2532	2068	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe
PID 2068 wrote to memory of 2532	2068	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe
PID 2532 wrote to memory of 2304	2532	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	svchost.exe
PID 2532 wrote to memory of 2304	2532	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	svchost.exe
PID 2532 wrote to memory of 2304	2532	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	svchost.exe
PID 2532 wrote to memory of 2304	2532	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	svchost.exe
PID 2532 wrote to memory of 2304	2532	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	svchost.exe
PID 2532 wrote to memory of 2936	2532	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	iexplore.exe
PID 2532 wrote to memory of 2936	2532	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	iexplore.exe
PID 2532 wrote to memory of 2936	2532	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	iexplore.exe
PID 2532 wrote to memory of 2936	2532	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	iexplore.exe
PID 2532 wrote to memory of 2936	2532	5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe	iexplore.exe

C:\Users\Admin\AppData\Local\Temp\5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Users\Admin\AppData\Local\Temp\5c23c609fee1f330cd584285ab2cdaf6_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2304
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2936

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/2068-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2068-6-0x0000000000260000-0x0000000000281000-memory.dmp

Filesize
132KB

Download
memory/2068-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2304-21-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2304-19-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2532-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2532-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2532-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2532-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2532-15-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2532-16-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2532-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2532-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2532-20-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2532-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads