xtremerat | 9a8a144ce778c983dc55ee4882bbd60f3522acb3a8d4fcc16963041ea9c29e8a

General

Target

d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe
Size

53KB
MD5

d66e576e03c167b2df8a14c0ea897135
SHA1

f8331cdc45b8dd541845bee714f48b0462a89e94
SHA256

9a8a144ce778c983dc55ee4882bbd60f3522acb3a8d4fcc16963041ea9c29e8a
SHA512

1a26df528ed266a1b131941a13de8a08f65590c1f53511acc5a46b9dc744e029282e5e741a5bad2c47561c4dda2dc2aff4f2dcf0d1ac198527b6354f3f5c44ee
SSDEEP

1536:Zamj4Q8XdlBrD25aZrslRZIAPshsTWYDvy2Y:Za64Q6dl9ykelnhP42Y

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

xstrema.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/3008-11-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/3008-12-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1364-15-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/3008-16-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/1364-17-0x0000000010000000-0x000000001004D000-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

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3008-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/3008-11-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/3008-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/3008-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/3008-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/3008-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1364-15-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/3008-16-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/1364-17-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2592 set thread context of 3008	2592	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	31

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	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2592	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe
2592	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 3008	2592	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	31
PID 2592 wrote to memory of 3008	2592	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	31
PID 2592 wrote to memory of 3008	2592	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	31
PID 2592 wrote to memory of 3008	2592	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	31
PID 2592 wrote to memory of 3008	2592	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	31
PID 2592 wrote to memory of 3008	2592	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	31
PID 2592 wrote to memory of 3008	2592	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	31
PID 2592 wrote to memory of 3008	2592	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	31
PID 3008 wrote to memory of 1364	3008	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	32
PID 3008 wrote to memory of 1364	3008	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	32
PID 3008 wrote to memory of 1364	3008	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	32
PID 3008 wrote to memory of 1364	3008	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	32
PID 3008 wrote to memory of 1364	3008	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	32
PID 3008 wrote to memory of 2696	3008	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	33
PID 3008 wrote to memory of 2696	3008	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	33
PID 3008 wrote to memory of 2696	3008	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	33
PID 3008 wrote to memory of 2696	3008	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	33
PID 3008 wrote to memory of 2696	3008	d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Users\Admin\AppData\Local\Temp\d66e576e03c167b2df8a14c0ea897135_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3008
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1364
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2696

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/1364-15-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1364-17-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2592-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3008-2-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3008-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3008-11-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3008-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3008-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3008-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3008-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3008-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3008-16-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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