xtremerat | 7aea79d102ae1ce0af4e32533d71eb3692cf22eeb97812e2604abde49a4662b0

General

Target

fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe
Size

50KB
MD5

fd66dec34900329aae987e3f955e8935
SHA1

71a837458644e43a44241188dfe8253d37acea57
SHA256

7aea79d102ae1ce0af4e32533d71eb3692cf22eeb97812e2604abde49a4662b0
SHA512

c321fc4a48273de06aef11aa58b3ffe079c61e16037229ffc0bf592a8a309262b0a3ab0239583903ea41b05b4e495a22b4b219b32e1c3df4e8b6e6df0c38b139
SSDEEP

1536:AxFRLVwAC4OjwUBHleAQRjB9efFp1/N9fi:A3pgXbd0jvIfF9i

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

C2

aline.zapto.org

Signatures

Detect XtremeRAT payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1408-8-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2880-9-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1408-12-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/2880-13-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1408-14-0x0000000010000000-0x0000000010048000-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:

fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	fd66dec34900329aae987e3f955e8935_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"	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1408-3-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/1408-6-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/1408-8-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/2880-9-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/1408-12-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/2880-13-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral2/memory/1408-14-0x0000000010000000-0x0000000010048000-memory.dmp	upx

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe"	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe"	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "㩃啜敳獲䅜浤湩䅜灰慄慴䱜捯污呜浥屰摦㘶敤㍣㤴〰㈳愹敡㠹攷昳㔹攵㤸㔳䩟晡慦慃敫ㅳ㠱攮數"	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe

description	pid	process	target process
PID 4292 set thread context of 1408	4292	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe

Drops file in Windows directory 3 IoCs

Processes:

fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\InstallDir\Server.exe	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe
File opened for modification	C:\Windows\InstallDir\	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe
File opened for modification	C:\Windows\InstallDir\Server.exe	fd66dec34900329aae987e3f955e8935_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

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

1008 2880 WerFault.exe svchost.exe
3036 2880 WerFault.exe svchost.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 4292 fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe

pid process

1408 fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe

pid	pid_target	process	target process
1008	2880	WerFault.exe	svchost.exe
3036	2880	WerFault.exe	svchost.exe

description	pid	process
Token: SeDebugPrivilege	4292	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe

pid	process
1408	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

fd66dec34900329aae987e3f955e8935_JaffaCakes118.exefd66dec34900329aae987e3f955e8935_JaffaCakes118.exe

description	pid	process	target process
PID 4292 wrote to memory of 1408	4292	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe
PID 4292 wrote to memory of 1408	4292	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe
PID 4292 wrote to memory of 1408	4292	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe
PID 4292 wrote to memory of 1408	4292	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe
PID 4292 wrote to memory of 1408	4292	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe
PID 4292 wrote to memory of 1408	4292	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe
PID 4292 wrote to memory of 1408	4292	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe
PID 4292 wrote to memory of 1408	4292	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe
PID 1408 wrote to memory of 2880	1408	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe	svchost.exe
PID 1408 wrote to memory of 2880	1408	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe	svchost.exe
PID 1408 wrote to memory of 2880	1408	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe	svchost.exe
PID 1408 wrote to memory of 2880	1408	fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4292

C:\Users\Admin\AppData\Local\Temp\fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd66dec34900329aae987e3f955e8935_JaffaCakes118.exe"
2⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1408

C:\Windows\SysWOW64\svchost.exe
svchost.exe
3⤵
PID:2880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 496
4⤵
- Program crash
PID:1008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 504
4⤵
- Program crash
PID:3036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2880 -ip 2880
1⤵
PID:4368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2880 -ip 2880
1⤵
PID:3048

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3720 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
1⤵
PID:3904

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1408-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1408-6-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1408-8-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1408-12-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1408-14-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2880-9-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/2880-13-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4292-0-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/4292-1-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/4292-2-0x0000000000B90000-0x0000000000BA0000-memory.dmp

Filesize
64KB

Download
memory/4292-7-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads