xtremerat | afd1d5c7b1f700bef94a6ae16aad7da36cd48720ffc475665d97ed06b32353d4

General

Target

fabf76b2290ce3b070f4f862ff5b08bc_JaffaCakes118.exe
Size

285KB
MD5

fabf76b2290ce3b070f4f862ff5b08bc
SHA1

7670a3a7da38e212019fe190670ca4836e6e86e4
SHA256

afd1d5c7b1f700bef94a6ae16aad7da36cd48720ffc475665d97ed06b32353d4
SHA512

ae57174baab6af6ace7ae36d2938e10c5268141815d8a50deefc77e1fddd3a1feb6b9647a08807a8a468160411709f529cad4e7c37f3e5bb36fa92344ba7614f
SSDEEP

6144:F2m6Q3jf9iKjyPPow2tampwBWT57wXpgtJKaasCuAWC4:TMKjwP6DpwBg7KCHKa4uAWC4

Score

10^/10

xtremerat discovery persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/456-14-0x0000000010000000-0x000000001008A000-memory.dmp	family_xtremerat
behavioral2/memory/3460-15-0x0000000010000000-0x000000001008A000-memory.dmp	family_xtremerat
behavioral2/memory/3460-22-0x0000000010000000-0x000000001008A000-memory.dmp	family_xtremerat
behavioral2/memory/3460-23-0x0000000010000000-0x000000001008A000-memory.dmp	family_xtremerat
behavioral2/memory/4984-31-0x0000000010000000-0x000000001008A000-memory.dmp	family_xtremerat
behavioral2/memory/456-34-0x0000000010000000-0x000000001008A000-memory.dmp	family_xtremerat
behavioral2/memory/3460-35-0x0000000010000000-0x000000001008A000-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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{M123GQ4I-5CQR-V3G0-7185-O8OTI1V7I4U7}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{M123GQ4I-5CQR-V3G0-7185-O8OTI1V7I4U7}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

Executes dropped EXE 2 IoCs

pid	Process
4984	hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
4612	41Hidden-Sabotage Port Test Edici.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\InstallDir\Server.exe	svchost.exe
File created	C:\Windows\SysWOW64\InstallDir\Server.exe	svchost.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000023c9d-11.dat	upx
behavioral2/memory/4984-12-0x0000000010000000-0x000000001008A000-memory.dmp	upx
behavioral2/memory/456-14-0x0000000010000000-0x000000001008A000-memory.dmp	upx
behavioral2/memory/3460-15-0x0000000010000000-0x000000001008A000-memory.dmp	upx
behavioral2/memory/3460-22-0x0000000010000000-0x000000001008A000-memory.dmp	upx
behavioral2/memory/3460-23-0x0000000010000000-0x000000001008A000-memory.dmp	upx
behavioral2/files/0x0007000000023ca4-24.dat	upx
behavioral2/memory/4984-31-0x0000000010000000-0x000000001008A000-memory.dmp	upx
behavioral2/memory/4612-30-0x0000000000400000-0x0000000000498000-memory.dmp	upx
behavioral2/memory/456-34-0x0000000010000000-0x000000001008A000-memory.dmp	upx
behavioral2/memory/3460-35-0x0000000010000000-0x000000001008A000-memory.dmp	upx
behavioral2/memory/4612-36-0x0000000000400000-0x0000000000498000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\41Hidden-Sabotage Port Test Edici.exe.exe	hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
File created	C:\Windows\41Hidden-Sabotage Port Test Edici.exe	hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

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
4248	456	WerFault.exe	83
1904	456	WerFault.exe	83

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	hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	41Hidden-Sabotage Port Test Edici.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3460	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 4984	3176	fabf76b2290ce3b070f4f862ff5b08bc_JaffaCakes118.exe	82
PID 3176 wrote to memory of 4984	3176	fabf76b2290ce3b070f4f862ff5b08bc_JaffaCakes118.exe	82
PID 3176 wrote to memory of 4984	3176	fabf76b2290ce3b070f4f862ff5b08bc_JaffaCakes118.exe	82
PID 4984 wrote to memory of 456	4984	hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$	83
PID 4984 wrote to memory of 456	4984	hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$	83
PID 4984 wrote to memory of 456	4984	hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$	83
PID 4984 wrote to memory of 456	4984	hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$	83
PID 4984 wrote to memory of 3460	4984	hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$	84
PID 4984 wrote to memory of 3460	4984	hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$	84
PID 4984 wrote to memory of 3460	4984	hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$	84
PID 4984 wrote to memory of 3460	4984	hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$	84
PID 4984 wrote to memory of 4612	4984	hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$	89
PID 4984 wrote to memory of 4612	4984	hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$	89
PID 4984 wrote to memory of 4612	4984	hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$	89

C:\Users\Admin\AppData\Local\Temp\fabf76b2290ce3b070f4f862ff5b08bc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fabf76b2290ce3b070f4f862ff5b08bc_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Users\Admin\AppData\Local\Temp\hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  C:\Users\Admin\AppData\Local\Temp\hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4984
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:456
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 484
      4⤵
      Program crash
      PID:4248
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 504
      4⤵
      Program crash
      PID:1904
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3460
- - C:\Windows\41Hidden-Sabotage Port Test Edici.exe
    "C:\Windows\41Hidden-Sabotage Port Test Edici.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 456 -ip 456
1⤵
PID:4808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 456 -ip 456
1⤵
PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\hgltp3qygme.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

Filesize
264KB

MD5
0a6deb1b3730bffe6546a7afc3b1cf1e

SHA1
dd482c466eb7ba7d89b73d70616560d7b4ee17cc

SHA256
6d64e3fc5b30c297c20e177c86552995d5a73a4308483f4fa6ecd32efb9142ea

SHA512
5998e770a549c45ecc4e03e5d67c4cb861be54ac489a27f0171d201c57e51bdd94a49358bdd26dc2adf6627862836324bb1594fe84e8d8fbb9936fd5321d6415

Download Submit
C:\Windows\41Hidden-Sabotage Port Test Edici.exe

Filesize
196KB

MD5
e756ff45ea04d98797c21ed0835bc9ff

SHA1
88e61b547f87a6a0d1a4cfa73b99e2e77494d891

SHA256
3c785bf5fd5683de814bd356e8017710c61f5bd6b4ed3ffa09c6cc3fcb4e4a0d

SHA512
119eef5c6c08c8083009fe766b4f3462317b3ee536ea08ac5b4831b5f04aea9f39ca881d154e29950ae549517eb1e8d3d979b57cca8f2add9ea3c42bec2170ae

Download Submit
memory/456-34-0x0000000010000000-0x000000001008A000-memory.dmp

Filesize
552KB

Download
memory/456-14-0x0000000010000000-0x000000001008A000-memory.dmp

Filesize
552KB

Download
memory/3176-5-0x00007FFF97070000-0x00007FFF97A11000-memory.dmp

Filesize
9.6MB

Download
memory/3176-3-0x000000001C100000-0x000000001C5CE000-memory.dmp

Filesize
4.8MB

Download
memory/3176-6-0x000000001BA60000-0x000000001BA68000-memory.dmp

Filesize
32KB

Download
memory/3176-7-0x000000001C990000-0x000000001C9DC000-memory.dmp

Filesize
304KB

Download
memory/3176-8-0x00007FFF97070000-0x00007FFF97A11000-memory.dmp

Filesize
9.6MB

Download
memory/3176-4-0x000000001C6E0000-0x000000001C77C000-memory.dmp

Filesize
624KB

Download
memory/3176-1-0x000000001BB80000-0x000000001BC26000-memory.dmp

Filesize
664KB

Download
memory/3176-2-0x00007FFF97070000-0x00007FFF97A11000-memory.dmp

Filesize
9.6MB

Download
memory/3176-32-0x00007FFF97070000-0x00007FFF97A11000-memory.dmp

Filesize
9.6MB

Download
memory/3176-0-0x00007FFF97325000-0x00007FFF97326000-memory.dmp

Filesize
4KB

Download
memory/3460-22-0x0000000010000000-0x000000001008A000-memory.dmp

Filesize
552KB

Download
memory/3460-23-0x0000000010000000-0x000000001008A000-memory.dmp

Filesize
552KB

Download
memory/3460-15-0x0000000010000000-0x000000001008A000-memory.dmp

Filesize
552KB

Download
memory/3460-35-0x0000000010000000-0x000000001008A000-memory.dmp

Filesize
552KB

Download
memory/4612-30-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/4612-36-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/4984-31-0x0000000010000000-0x000000001008A000-memory.dmp

Filesize
552KB

Download
memory/4984-12-0x0000000010000000-0x000000001008A000-memory.dmp

Filesize
552KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads