xtremerat | 21aecb10b3c00e889d5ec02599453693f58202c05d474e79b180c73eee7aa4cd

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12/07/2024, 22:56

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General

Target
3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe
Size 463KB
Sample240712-2wpqmsthkr
SHA256 21aecb10b3c00e889d5ec02599453693f58202c05d474e79b180c73eee7aa4cd
MD5 3f34af7044c3fec1c9b0f19aefd912b0
SHA1 d063bb4ee09427650964630baf5310970dce6558
SHA512 17b52bf3eded19480f05380db1ab42b1c95f2124cc46ec8d36407044dc2d128ead0508cac0d5b5343117674e27826570a71861630d896fbce7f326d9c3746814
SSDEEP 12288:eElAsBY7tsSu4w/5cLZqEzTIm4Xw+ulHH0:eOGps445cLZxIHXwl0
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/4368-54-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/1576-56-0x0000000010000000-0x000000001004B000-memory.dmp	family_xtremerat
behavioral2/memory/1576-57-0x0000000010000000-0x000000001004B000-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

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4368-48-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/4368-50-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/4368-54-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/1576-56-0x0000000010000000-0x000000001004B000-memory.dmp	upx
behavioral2/memory/1576-57-0x0000000010000000-0x000000001004B000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2528 set thread context of 4368	2528	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe	85

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
3944	1576	WerFault.exe	86
4252	1576	WerFault.exe	86

NTFS ADS 3 IoCs

description	ioc	Process
File created	C:\ProgramData:$SS_DESCRIPTOR_SBXNV9VVGV1BFR6HWV9MCN64TPPT3WPB06LTHWXFSPF7VBCVP4GV	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe
File created	C:\ProgramData\DYA_NTCMGRKNUVECCGEDV\1.0.0:$SS_DESCRIPTOR_SBXNV9VVGV1BFR6HWV9MCN64TPPT3WPB06LTHWXFSPF7VBCVP4GV	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe
File created	C:\Users\Public\Desktop:$SS_DESCRIPTOR_SBXNV9VVGV1BFR6HWV9MCN64TPPT3WPB06LTHWXFSPF7VBCVP4GV	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2528	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 4368	2528	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe	85
PID 2528 wrote to memory of 4368	2528	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe	85
PID 2528 wrote to memory of 4368	2528	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe	85
PID 2528 wrote to memory of 4368	2528	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe	85
PID 2528 wrote to memory of 4368	2528	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe	85
PID 2528 wrote to memory of 4368	2528	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe	85
PID 2528 wrote to memory of 4368	2528	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe	85
PID 2528 wrote to memory of 4368	2528	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe	85
PID 4368 wrote to memory of 1576	4368	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe	86
PID 4368 wrote to memory of 1576	4368	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe	86
PID 4368 wrote to memory of 1576	4368	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe	86
PID 4368 wrote to memory of 1576	4368	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe	86
PID 4368 wrote to memory of 2240	4368	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe	87
PID 4368 wrote to memory of 2240	4368	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe	87
PID 4368 wrote to memory of 2240	4368	3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Users\Admin\AppData\Local\Temp\3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\3f34af7044c3fec1c9b0f19aefd912b0_JaffaCakes118.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4368
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    PID:1576
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 480
      4⤵
      Program crash
      PID:3944
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 476
      4⤵
      Program crash
      PID:4252
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:2240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1576 -ip 1576
1⤵
PID:1108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1576 -ip 1576
1⤵
PID:2764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

app.dat

Path C:\ProgramData\DYA_NTCMGRKNUVECCGEDV\1.0.0\Data\app.dat
Size 971B
SHA256 0885a0653d87f7f72b55febbd6787ba904b870fe9d02207fcc8f8793b9bf6488
MD5 9bfefc4568c8a77e5cb80d90de433e60
SHA1 e6eb7f8238d32705b0c07f5c81a530937fd8445b
SHA512 31f2e9a9d090e6c813637ad5f4eb1e7963ad385ebd195afa47c3a9f6d600bfeee5a1ac09c714e8539fe1334e67fd176b898a23b2e8bc62b39ce4373f20e9e525
MD5 SHA1 SHA512

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updates.dat

Path C:\ProgramData\DYA_NTCMGRKNUVECCGEDV\1.0.0\Data\updates.dat
Size 971B
SHA256 1f8fc5d4af575b3106d1c999b67577d05e27da1b3715a1ed52a28442563d06de
MD5 171c5fb2b2e96559d403f0515e1387af
SHA1 823c8146ceef969a08d5a4092bcf937241eadfae
SHA512 897ecfca53b1483c5323cd3b9d2543ba53ac33a9edbaff3e6bc1f5676fecf4aecbb327a84d5a0494645c3c810c35564d3fa02376653b4c753d83e166e84c14ce
MD5 SHA1 SHA512

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dya.dat

Path C:\Users\Admin\AppData\Roaming\DYA_NTCMGRKNUVECCGEDV\1.0.0\Data\dya.dat
Size 971B
SHA256 5a299e4ca30b9d3b48ca0d2b743472da994a0d420380a97aa14d420d50e188c2
MD5 56db760df67211bc0cbe3af7ad321f35
SHA1 062030d492f88166c70fbfc4b2a3d0103321728a
SHA512 2741c47c56df21ec1ad76ee490d0103b774f884a9a7773c9d5b16707689f8ca1496f158cddb8650e782454cd4e744f2833a5c58a89ac9d958552f785d7755065
MD5 SHA1 SHA512

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memory/1576-56-0x0000000010000000-0x000000001004B000-memory.dmp

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memory/1576-57-0x0000000010000000-0x000000001004B000-memory.dmp

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memory/2528-1-0x0000000000421000-0x00000000004BE000-memory.dmp

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memory/2528-44-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/2528-43-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/2528-47-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/2528-0-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/2528-53-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/2528-52-0x0000000000421000-0x00000000004BE000-memory.dmp

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memory/4368-48-0x0000000010000000-0x000000001004B000-memory.dmp

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memory/4368-55-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/4368-54-0x0000000010000000-0x000000001004B000-memory.dmp

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memory/4368-50-0x0000000010000000-0x000000001004B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads