xtremerat | 76fa774c95aed4945d297b3892c6e2f338756de7a2315024b6f22cc9aca03c9d

General

Target

JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe
Size

469KB
MD5

87506a19aead75c0b614330b9d456fda
SHA1

338f2e5b6f5f4f8015e870290c3f6f2e912aaf77
SHA256

76fa774c95aed4945d297b3892c6e2f338756de7a2315024b6f22cc9aca03c9d
SHA512

f16b851c5805bedb1afa5b378684b1523eec1a86fed88e0aa96773580c987ef29318d776de7ee682177be8a5c7f7224b154495ce2e9ef06026dffc3ffaebef5b
SSDEEP

12288:E2jy4n/JlI91veibKY5q2apD7RYfBJGTBzLhCygdeI:E2m4x+fFp5PapSZQ5VaeI

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

franco800.no-ip.org

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/2796-35-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2524-46-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2796-48-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2524-49-0x0000000010000000-0x000000001004D000-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

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00080000000120f9-2.dat	acprotect

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe

Loads dropped DLL 3 IoCs

pid	Process
2244	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe
2724	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe
2796	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2724 set thread context of 2796	2724	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	31

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2796-30-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2796-33-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2796-27-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2796-26-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2796-35-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2524-46-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2796-48-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2524-49-0x0000000010000000-0x000000001004D000-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 4 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_87506a19aead75c0b614330b9d456fda.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C771E660-2111-13D1-B2E4-0060975B8649}	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C771E660-2111-13D1-B2E4-0060975B8649}\0 = 709c4ae0dc726fb2d18b0dee94b64d0cc85bcbd769cde179f7	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C771E660-2111-13D1-B2E4-0060975B8649}\Version	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C771E660-2111-13D1-B2E4-0060975B8649}\Version\ = "1.0"	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2724	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe
Token: SeIncBasePriorityPrivilege	2724	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2244	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe
2724	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe
2724	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2724	2244	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	30
PID 2244 wrote to memory of 2724	2244	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	30
PID 2244 wrote to memory of 2724	2244	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	30
PID 2244 wrote to memory of 2724	2244	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	30
PID 2724 wrote to memory of 2796	2724	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	31
PID 2724 wrote to memory of 2796	2724	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	31
PID 2724 wrote to memory of 2796	2724	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	31
PID 2724 wrote to memory of 2796	2724	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	31
PID 2724 wrote to memory of 2796	2724	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	31
PID 2724 wrote to memory of 2796	2724	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	31
PID 2724 wrote to memory of 2796	2724	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	31
PID 2724 wrote to memory of 2796	2724	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	31
PID 2796 wrote to memory of 2524	2796	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	32
PID 2796 wrote to memory of 2524	2796	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	32
PID 2796 wrote to memory of 2524	2796	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	32
PID 2796 wrote to memory of 2524	2796	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	32
PID 2796 wrote to memory of 2524	2796	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	32
PID 2796 wrote to memory of 2564	2796	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	33
PID 2796 wrote to memory of 2564	2796	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	33
PID 2796 wrote to memory of 2564	2796	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	33
PID 2796 wrote to memory of 2564	2796	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	33
PID 2796 wrote to memory of 2564	2796	JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe"
  2⤵
  - Checks BIOS information in registry
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87506a19aead75c0b614330b9d456fda.exe"
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2796
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:2524
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:2564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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

\Users\Admin\AppData\Local\Temp\wxlEEE1.tmp

Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
memory/2244-0-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2244-4-0x0000000001BC0000-0x0000000001C33000-memory.dmp

Filesize
460KB

Download
memory/2244-7-0x0000000001BC0000-0x0000000001C33000-memory.dmp

Filesize
460KB

Download
memory/2244-6-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2524-46-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2524-49-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2724-9-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2724-19-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2724-20-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2724-21-0x0000000000280000-0x00000000002A5000-memory.dmp

Filesize
148KB

Download
memory/2724-31-0x0000000003270000-0x00000000032F3000-memory.dmp

Filesize
524KB

Download
memory/2724-12-0x0000000000280000-0x00000000002A5000-memory.dmp

Filesize
148KB

Download
memory/2724-18-0x0000000000500000-0x0000000000573000-memory.dmp

Filesize
460KB

Download
memory/2724-36-0x0000000000280000-0x00000000002A5000-memory.dmp

Filesize
148KB

Download
memory/2724-41-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2724-42-0x0000000000500000-0x0000000000573000-memory.dmp

Filesize
460KB

Download
memory/2796-25-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2796-35-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2796-26-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2796-43-0x0000000001FF0000-0x0000000002063000-memory.dmp

Filesize
460KB

Download
memory/2796-27-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2796-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-33-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2796-47-0x0000000001FF0000-0x0000000002063000-memory.dmp

Filesize
460KB

Download
memory/2796-48-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2796-30-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download

Analysis

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