xtremerat | 25d3cf40606d6ae25bacc67043eafce757cc3ea4f03265ba424764ba7bd1e02c

General

Target

ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe
Size

614KB
MD5

ec821cc8849cc2048ef1ebece9beed93
SHA1

f4fdd00d5633ff74f96c026ac7f70108ced797c3
SHA256

25d3cf40606d6ae25bacc67043eafce757cc3ea4f03265ba424764ba7bd1e02c
SHA512

f7515701507eabc30523ae454578340a0ba8008ef4908d188e4e50e06a81143eb9448aa6e3bd66f433f24fc6c4b40ddcc5b4afa80a55a66906b7d85975b7e443
SSDEEP

12288:QEa/SrIP7l+0IusoHS5VweemGmWHZWZ7VcHOeqi7xAZKJJhDl7QdF1igXg:QEa/6YIuso0Vhm1HsZ7aHDqWKKJJ7WXw

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Signatures

Detect XtremeRAT payload 2 IoCs

Processes:

resource	yara_rule
\Windows\InstallDir\Server.exe	family_xtremerat
behavioral1/memory/2364-21-0x0000000000C80000-0x0000000000D21000-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

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart"	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

Processes:

ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\InstallDir\Server.exe	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe
File created	C:\Windows\InstallDir\Server.exe	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe

description	pid	process	target process
PID 2364 wrote to memory of 1664	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 1664	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 1664	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 1664	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 1664	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2224	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2224	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2224	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2224	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2224	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2216	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2216	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2216	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2216	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2216	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2240	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2240	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2240	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2240	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2240	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 1988	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 1988	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 1988	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 1988	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 1988	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2184	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2184	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2184	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2184	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2184	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2720	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2720	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2720	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2720	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2720	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2952	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2952	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2952	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe
PID 2364 wrote to memory of 2952	2364	ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe	iexplore.exe

C:\Users\Admin\AppData\Local\Temp\ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec821cc8849cc2048ef1ebece9beed93_JaffaCakes118.exe"
1⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2364

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
2⤵
PID:1664

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
2⤵
PID:2224

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
2⤵
PID:2216

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
2⤵
PID:2240

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
2⤵
PID:1988

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
2⤵
PID:2184

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
2⤵
PID:2720

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
2⤵
PID:2952

C:\Users\Admin\AppData\Local\Temp\518sara.scr
"C:\Users\Admin\AppData\Local\Temp\518sara.scr" /S
2⤵
PID:2996

C:\Windows\InstallDir\Server.exe
"C:\Windows\InstallDir\Server.exe"
2⤵
PID:2672

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\518sara.scr
Filesize
572KB

MD5
1f2f33d1d4c43220d774cf377de0232d

SHA1
e66e859e4d87870e6e68d5b255c5b3a9e6401538

SHA256
ddc7977e38f7f4316e4fad68f563fca33592a766009e9321de8eeb0dc69ac438

SHA512
571aeee9936176478833d70610f7a0f7b0bc93b4e6df8f526b7e8720d0abb59cdaa498b1ed55ba8f914f4ad2c0745b2fdd01e70cf631440f7b217ea789264288

Download Submit
\Windows\InstallDir\Server.exe
Filesize
614KB

MD5
ec821cc8849cc2048ef1ebece9beed93

SHA1
f4fdd00d5633ff74f96c026ac7f70108ced797c3

SHA256
25d3cf40606d6ae25bacc67043eafce757cc3ea4f03265ba424764ba7bd1e02c

SHA512
f7515701507eabc30523ae454578340a0ba8008ef4908d188e4e50e06a81143eb9448aa6e3bd66f433f24fc6c4b40ddcc5b4afa80a55a66906b7d85975b7e443

Download Submit
memory/2364-12-0x0000000002930000-0x0000000002A2A000-memory.dmp

Filesize
1000KB

Download
memory/2364-21-0x0000000000C80000-0x0000000000D21000-memory.dmp

Filesize
644KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads