xtremerat | 364e96d9e18018144075872d0ea8fbb88d33460844615be19163cf5dad3c0bb8

General

Target
338c6535b58408523bf2af41086cd9e2_JaffaCakes118.exe
Size 818KB
Sample240710-glzgwasdpc
SHA256 364e96d9e18018144075872d0ea8fbb88d33460844615be19163cf5dad3c0bb8
MD5 338c6535b58408523bf2af41086cd9e2
SHA1 d299643eda59197f81ac2bc17772851a4c715c3e
SHA512 b47a879f67a180039ceae0a7dc9ed6cc6a0c9cad7869f21bcc41369c0a2cefbbd8d5f14d9b20dd10fc62589975d1f8b2fcd926e392c804287644c21379f26c72
SSDEEP 12288:Qa2aRTiuaBSOF6mD7vSLuhTKi+Vg/jgznH9lltma2aRTiua:g4OF6mD7vSej+OLgTH9lltG
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

抉䜩airforce.dyndns.biz

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/2248-0-0x0000000010000000-0x00000000100CE000-memory.dmp	family_xtremerat
behavioral2/memory/2764-1-0x0000000010000000-0x00000000100CE000-memory.dmp	family_xtremerat
behavioral2/memory/2248-14-0x0000000010000000-0x00000000100CE000-memory.dmp	family_xtremerat
behavioral2/memory/2764-17-0x0000000010000000-0x00000000100CE000-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

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-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation	338c6535b58408523bf2af41086cd9e2_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
724	12Bhop_toolv31.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2248-0-0x0000000010000000-0x00000000100CE000-memory.dmp	upx
behavioral2/memory/2764-1-0x0000000010000000-0x00000000100CE000-memory.dmp	upx
behavioral2/files/0x00080000000234b6-8.dat	upx
behavioral2/memory/2248-14-0x0000000010000000-0x00000000100CE000-memory.dmp	upx
behavioral2/memory/724-15-0x0000000000400000-0x0000000000474000-memory.dmp	upx
behavioral2/memory/2764-17-0x0000000010000000-0x00000000100CE000-memory.dmp	upx
behavioral2/memory/724-18-0x0000000000400000-0x0000000000474000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\12Bhop_toolv31.exe.exe	338c6535b58408523bf2af41086cd9e2_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\12Bhop_toolv31.exe	338c6535b58408523bf2af41086cd9e2_JaffaCakes118.exe

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
4856	2764	WerFault.exe	81
460	2764	WerFault.exe	81

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2764	2248	338c6535b58408523bf2af41086cd9e2_JaffaCakes118.exe	81
PID 2248 wrote to memory of 2764	2248	338c6535b58408523bf2af41086cd9e2_JaffaCakes118.exe	81
PID 2248 wrote to memory of 2764	2248	338c6535b58408523bf2af41086cd9e2_JaffaCakes118.exe	81
PID 2248 wrote to memory of 2764	2248	338c6535b58408523bf2af41086cd9e2_JaffaCakes118.exe	81
PID 2248 wrote to memory of 820	2248	338c6535b58408523bf2af41086cd9e2_JaffaCakes118.exe	83
PID 2248 wrote to memory of 820	2248	338c6535b58408523bf2af41086cd9e2_JaffaCakes118.exe	83
PID 2248 wrote to memory of 820	2248	338c6535b58408523bf2af41086cd9e2_JaffaCakes118.exe	83
PID 2248 wrote to memory of 724	2248	338c6535b58408523bf2af41086cd9e2_JaffaCakes118.exe	87
PID 2248 wrote to memory of 724	2248	338c6535b58408523bf2af41086cd9e2_JaffaCakes118.exe	87
PID 2248 wrote to memory of 724	2248	338c6535b58408523bf2af41086cd9e2_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\338c6535b58408523bf2af41086cd9e2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\338c6535b58408523bf2af41086cd9e2_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:2764
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 480
    3⤵
    - Program crash
    PID:4856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 488
    3⤵
    - Program crash
    PID:460
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:820
- C:\Windows\SysWOW64\12Bhop_toolv31.exe
  "C:\Windows\system32\12Bhop_toolv31.exe"
  2⤵
  - Executes dropped EXE
  PID:724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2764 -ip 2764
1⤵
PID:2052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2764 -ip 2764
1⤵
PID:1660

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

12Bhop_toolv31.exe

Path C:\Windows\SysWOW64\12Bhop_toolv31.exe
Size 201KB
SHA256 6350047bdd37436ecb0f24812c43744b1b53ea080e14b90b16f24d993e545265
MD5 b70e584c9d804ec4311a1c41c630a2a2
SHA1 7b6a15f30ac39c945929259a0a9bdde1ca572f62
SHA512 576f59331d5e3c10c19ee5c5e7167caa91c7912ae341031809f2acb0a367bb3ad2174c4e872581e7ae361fcdd626b5243fba2bba844312ad118ced6b05287676
SSDEEP 6144:sZC4d3lbxc6wU/UP+XhdMRFD3LAwekteoSm:d4dMRU/UP4heFjLDFteoSm
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/724-15-0x0000000000400000-0x0000000000474000-memory.dmp

Download

memory/724-18-0x0000000000400000-0x0000000000474000-memory.dmp

Download

memory/2248-0-0x0000000010000000-0x00000000100CE000-memory.dmp

Download

memory/2248-14-0x0000000010000000-0x00000000100CE000-memory.dmp

Download

memory/2764-1-0x0000000010000000-0x00000000100CE000-memory.dmp

Download

memory/2764-17-0x0000000010000000-0x00000000100CE000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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