xtremerat | 6ecc8aab4f6c3284a4b618836b96b470f2e6795f5eabfcfa68ec12db1911e425

General

Target

2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe
Size

224KB
MD5

2f65c7b7898bd9bb4bf161e7fc08c618
SHA1

f4b1ef2dcb0fb862b47d8dcda20ce8e657a74124
SHA256

6ecc8aab4f6c3284a4b618836b96b470f2e6795f5eabfcfa68ec12db1911e425
SHA512

697d299ebe5267a8bc262435cb6807c17057060ba15716b5234228bc816e0057b1ab56d2d378487dd51ac28a922cbc2f8ac3803d0b2cc14fb8dbbaae63ff9bf7
SSDEEP

6144:kAeIifU8j6EwPPSbGsl/yJLo0ZudsdRwW5K+Aw7Qoj+:kRFj6NPUl/YE0ZudsdRh5K+Hbj+

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

mohascd.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/3692-20-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1092-24-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1092-27-0x0000000010000000-0x000000001004D000-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 1076 set thread context of 3692	1076	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe	85

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3692-16-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3692-18-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/3692-20-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1092-24-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1092-27-0x0000000010000000-0x000000001004D000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4072	1092	WerFault.exe	86
1180	1092	WerFault.exe	86

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	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1076	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 3692	1076	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe	85
PID 1076 wrote to memory of 3692	1076	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe	85
PID 1076 wrote to memory of 3692	1076	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe	85
PID 1076 wrote to memory of 3692	1076	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe	85
PID 1076 wrote to memory of 3692	1076	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe	85
PID 1076 wrote to memory of 3692	1076	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe	85
PID 1076 wrote to memory of 3692	1076	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe	85
PID 1076 wrote to memory of 3692	1076	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe	85
PID 3692 wrote to memory of 1092	3692	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe	86
PID 3692 wrote to memory of 1092	3692	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe	86
PID 3692 wrote to memory of 1092	3692	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe	86
PID 3692 wrote to memory of 1092	3692	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe	86
PID 3692 wrote to memory of 3624	3692	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe	88
PID 3692 wrote to memory of 3624	3692	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe	88
PID 3692 wrote to memory of 3624	3692	2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Users\Admin\AppData\Local\Temp\2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2f65c7b7898bd9bb4bf161e7fc08c618_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3692
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1092
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 480
      4⤵
      Program crash
      PID:4072
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 500
      4⤵
      Program crash
      PID:1180
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1092 -ip 1092
1⤵
PID:3752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1092 -ip 1092
1⤵
PID:2600

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/1076-12-0x0000000075F60000-0x0000000076050000-memory.dmp

Filesize
960KB

Download
memory/1076-7-0x0000000075F80000-0x0000000075F81000-memory.dmp

Filesize
4KB

Download
memory/1076-0-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/1076-15-0x0000000075F60000-0x0000000076050000-memory.dmp

Filesize
960KB

Download
memory/1076-5-0x0000000002290000-0x00000000022A0000-memory.dmp

Filesize
64KB

Download
memory/1076-4-0x0000000077032000-0x0000000077033000-memory.dmp

Filesize
4KB

Download
memory/1076-3-0x0000000002400000-0x0000000002410000-memory.dmp

Filesize
64KB

Download
memory/1076-2-0x0000000002240000-0x0000000002250000-memory.dmp

Filesize
64KB

Download
memory/1076-8-0x0000000075F60000-0x0000000076050000-memory.dmp

Filesize
960KB

Download
memory/1076-10-0x0000000075F60000-0x0000000076050000-memory.dmp

Filesize
960KB

Download
memory/1076-9-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1076-11-0x0000000075F60000-0x0000000076050000-memory.dmp

Filesize
960KB

Download
memory/1076-22-0x0000000075F60000-0x0000000076050000-memory.dmp

Filesize
960KB

Download
memory/1076-1-0x0000000000510000-0x000000000054D000-memory.dmp

Filesize
244KB

Download
memory/1076-6-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1076-21-0x0000000000510000-0x000000000054D000-memory.dmp

Filesize
244KB

Download
memory/1076-19-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1092-28-0x0000000075F60000-0x0000000076050000-memory.dmp

Filesize
960KB

Download
memory/1092-24-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/1092-25-0x0000000075F60000-0x0000000076050000-memory.dmp

Filesize
960KB

Download
memory/1092-27-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3692-18-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3692-23-0x0000000075F60000-0x0000000076050000-memory.dmp

Filesize
960KB

Download
memory/3692-20-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3692-26-0x0000000075F60000-0x0000000076050000-memory.dmp

Filesize
960KB

Download
memory/3692-16-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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