xtremerat | 5de00dd1a531be0249d174d5542dac457d4019b5163ea64d18d116e2750327e1

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-01-2025 10:06

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General

Target

JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe
Size

180KB
MD5

c579c77aab7d55003e16ee77d8e871fe
SHA1

6766fa883b36c3fbe4237de3fcd35984f8043681
SHA256

5de00dd1a531be0249d174d5542dac457d4019b5163ea64d18d116e2750327e1
SHA512

ad6964673900df48a8c2599517324553fcf04d4b9ba605eb452c648a193780b6dc72720740b4c46d3311d85835f7c6fa823f79587f5903e9b237cf705a7b85ea
SSDEEP

3072:wW/p7H3PfZmVgu6madOO7vl3JosedK3zBnHc:wW/p7XpaF61sO7NZoseQ3lH

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/2904-14-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2904-13-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2704-17-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral1/memory/2704-19-0x0000000010000000-0x000000001004D000-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
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 10 IoCs

description	pid	Process	procid_target
PID 1968 set thread context of 2904	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	30
PID 1968 set thread context of 2996	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	33
PID 1968 set thread context of 2684	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	36
PID 1968 set thread context of 1748	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	38
PID 1968 set thread context of 1892	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	40
PID 1968 set thread context of 1772	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	42
PID 1968 set thread context of 608	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	44
PID 1968 set thread context of 3004	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	46
PID 1968 set thread context of 1604	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	48
PID 1968 set thread context of 2076	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	50

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2904-6-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2904-14-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2904-13-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2904-12-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2904-4-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2904-8-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2704-17-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral1/memory/2704-19-0x0000000010000000-0x000000001004D000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 12 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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe
1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe
1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe
1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe
1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe
1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe
1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe
1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe
1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe
1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2904	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	30
PID 1968 wrote to memory of 2904	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	30
PID 1968 wrote to memory of 2904	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	30
PID 1968 wrote to memory of 2904	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	30
PID 1968 wrote to memory of 2904	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	30
PID 1968 wrote to memory of 2904	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	30
PID 1968 wrote to memory of 2904	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	30
PID 1968 wrote to memory of 2904	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	30
PID 2904 wrote to memory of 2704	2904	vbc.exe	31
PID 2904 wrote to memory of 2704	2904	vbc.exe	31
PID 2904 wrote to memory of 2704	2904	vbc.exe	31
PID 2904 wrote to memory of 2704	2904	vbc.exe	31
PID 2904 wrote to memory of 2704	2904	vbc.exe	31
PID 2904 wrote to memory of 1804	2904	vbc.exe	32
PID 2904 wrote to memory of 1804	2904	vbc.exe	32
PID 2904 wrote to memory of 1804	2904	vbc.exe	32
PID 2904 wrote to memory of 1804	2904	vbc.exe	32
PID 2904 wrote to memory of 1804	2904	vbc.exe	32
PID 1968 wrote to memory of 2996	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	33
PID 1968 wrote to memory of 2996	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	33
PID 1968 wrote to memory of 2996	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	33
PID 1968 wrote to memory of 2996	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	33
PID 1968 wrote to memory of 2996	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	33
PID 1968 wrote to memory of 2996	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	33
PID 1968 wrote to memory of 2996	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	33
PID 1968 wrote to memory of 2996	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	33
PID 2996 wrote to memory of 2772	2996	vbc.exe	34
PID 2996 wrote to memory of 2772	2996	vbc.exe	34
PID 2996 wrote to memory of 2772	2996	vbc.exe	34
PID 2996 wrote to memory of 2772	2996	vbc.exe	34
PID 2996 wrote to memory of 2772	2996	vbc.exe	34
PID 1968 wrote to memory of 2684	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	36
PID 1968 wrote to memory of 2684	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	36
PID 1968 wrote to memory of 2684	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	36
PID 1968 wrote to memory of 2684	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	36
PID 1968 wrote to memory of 2684	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	36
PID 1968 wrote to memory of 2684	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	36
PID 1968 wrote to memory of 2684	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	36
PID 1968 wrote to memory of 2684	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	36
PID 2684 wrote to memory of 1708	2684	vbc.exe	37
PID 2684 wrote to memory of 1708	2684	vbc.exe	37
PID 2684 wrote to memory of 1708	2684	vbc.exe	37
PID 2684 wrote to memory of 1708	2684	vbc.exe	37
PID 2684 wrote to memory of 1708	2684	vbc.exe	37
PID 1968 wrote to memory of 1748	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	38
PID 1968 wrote to memory of 1748	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	38
PID 1968 wrote to memory of 1748	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	38
PID 1968 wrote to memory of 1748	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	38
PID 1968 wrote to memory of 1748	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	38
PID 1968 wrote to memory of 1748	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	38
PID 1968 wrote to memory of 1748	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	38
PID 1968 wrote to memory of 1748	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	38
PID 1748 wrote to memory of 1732	1748	vbc.exe	39
PID 1748 wrote to memory of 1732	1748	vbc.exe	39
PID 1748 wrote to memory of 1732	1748	vbc.exe	39
PID 1748 wrote to memory of 1732	1748	vbc.exe	39
PID 1748 wrote to memory of 1732	1748	vbc.exe	39
PID 1968 wrote to memory of 1892	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	40
PID 1968 wrote to memory of 1892	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	40
PID 1968 wrote to memory of 1892	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	40
PID 1968 wrote to memory of 1892	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	40
PID 1968 wrote to memory of 1892	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	40
PID 1968 wrote to memory of 1892	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	40
PID 1968 wrote to memory of 1892	1968	JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe	40

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c579c77aab7d55003e16ee77d8e871fe.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2904
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2704
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:1804
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2996
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2772
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:1708
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:1732
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1892
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2940
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1772
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2324
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:608
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2024
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3004
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:872
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1604
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:924
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2076
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:1256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1968-0-0x00000000740A1000-0x00000000740A2000-memory.dmp

Filesize
4KB

Download
memory/1968-1-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/1968-2-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/1968-18-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/2704-19-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2704-17-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2904-12-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2904-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2904-4-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2904-3-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2904-8-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2904-13-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2904-14-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/2904-6-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download