xtremerat | 773d042b2af2ec9e7707854eef50b60fd48cba8f6fcefd3c79fccd424f01272c

General

Target

b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe
Size

95KB
MD5

b92d85cda480eccf63cdfe56b8a64e3b
SHA1

a85aea8e8b0157868943a69d85469492b1e0fda8
SHA256

773d042b2af2ec9e7707854eef50b60fd48cba8f6fcefd3c79fccd424f01272c
SHA512

8cefc3da7b706b2d9e6ce6d6870ade2713ca232753bb2f2a6aa4446fb0ed5445197a44562cf02778f7818d42bcdb07eab4f75d94c9fc0ded1935ed548fbd1a41
SSDEEP

1536:weGJ9f5c7G2G5nr3OxGaXeGFdQToVVC1aCHP+D5y5v26uq7OuzmMXEqBbL1BiT5c:mJ9f5c7G22OxGaXeGFdQT8VC1ecuS9nt

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

sucucha.no-ip.biz

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/3008-6-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/3008-7-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2312-13-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/3008-14-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2312-15-0x0000000010000000-0x000000001004D000-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 268 set thread context of 3008	268	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	31

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3008-5-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/3008-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/3008-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/3008-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2312-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/3008-14-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2312-15-0x0000000010000000-0x000000001004D000-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	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
268	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 268 wrote to memory of 3008	268	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	31
PID 268 wrote to memory of 3008	268	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	31
PID 268 wrote to memory of 3008	268	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	31
PID 268 wrote to memory of 3008	268	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	31
PID 268 wrote to memory of 3008	268	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	31
PID 268 wrote to memory of 3008	268	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	31
PID 268 wrote to memory of 3008	268	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	31
PID 268 wrote to memory of 3008	268	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	31
PID 268 wrote to memory of 3008	268	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	31
PID 3008 wrote to memory of 2312	3008	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	32
PID 3008 wrote to memory of 2312	3008	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	32
PID 3008 wrote to memory of 2312	3008	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	32
PID 3008 wrote to memory of 2312	3008	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	32
PID 3008 wrote to memory of 2312	3008	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	32
PID 3008 wrote to memory of 2268	3008	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	33
PID 3008 wrote to memory of 2268	3008	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	33
PID 3008 wrote to memory of 2268	3008	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	33
PID 3008 wrote to memory of 2268	3008	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	33
PID 3008 wrote to memory of 2268	3008	b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:268
- C:\Users\Admin\AppData\Local\Temp\b92d85cda480eccf63cdfe56b8a64e3b_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b92d85cda480eccf63cdfe56b8a64e3b_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:2312
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2268

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/268-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/268-9-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2312-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2312-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2312-15-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3008-5-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3008-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

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

Filesize
308KB

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

Filesize
308KB

Download
memory/3008-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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