xtremerat | 12530ec18d59d273926303c4b92400f6d46e0c8d10105328a48df8d4329b4eac

General

Target

JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe
Size

324KB
MD5

1ad043f4482bd65efb19f39b882b7e82
SHA1

20e11dad6b7ad71dd9d0dac9eedbe77c3a363697
SHA256

12530ec18d59d273926303c4b92400f6d46e0c8d10105328a48df8d4329b4eac
SHA512

03937e63a96b8ef093e45eb2eabe85473e171f1f82e06554c0542b21adb6018c27a9f00dfb71423fba67643c1786b26f7b57e528225aea9f3072f684f427f677
SSDEEP

6144:MiLsP0cENTm7aYR5vJTvR0ZA1wBH8EdL5FW/SZ13VlSnO+PEeL0WYey1KvP:MtMlZ8wBcEdtFii13DuLFL0WYevH

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

memomemo.sytes.net

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/2700-9-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2700-8-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2116-12-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2700-13-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2116-14-0x0000000010000000-0x000000001004D000-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 816 set thread context of 2700	816	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	30

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2700-7-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2700-9-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2700-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2700-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2116-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2700-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2116-14-0x0000000010000000-0x000000001004D000-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_1ad043f4482bd65efb19f39b882b7e82.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
816	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 2700	816	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	30
PID 816 wrote to memory of 2700	816	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	30
PID 816 wrote to memory of 2700	816	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	30
PID 816 wrote to memory of 2700	816	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	30
PID 816 wrote to memory of 2700	816	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	30
PID 816 wrote to memory of 2700	816	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	30
PID 816 wrote to memory of 2700	816	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	30
PID 816 wrote to memory of 2700	816	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	30
PID 816 wrote to memory of 2700	816	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	30
PID 2700 wrote to memory of 2116	2700	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	31
PID 2700 wrote to memory of 2116	2700	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	31
PID 2700 wrote to memory of 2116	2700	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	31
PID 2700 wrote to memory of 2116	2700	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	31
PID 2700 wrote to memory of 2116	2700	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	31
PID 2700 wrote to memory of 2656	2700	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	32
PID 2700 wrote to memory of 2656	2700	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	32
PID 2700 wrote to memory of 2656	2700	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	32
PID 2700 wrote to memory of 2656	2700	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	32
PID 2700 wrote to memory of 2656	2700	JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:816
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ad043f4482bd65efb19f39b882b7e82.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2116
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2656

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/816-0-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/816-6-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/2116-10-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2116-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2116-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2700-7-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2700-9-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2700-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2700-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2700-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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