xtremerat | fc80bf24edc58e548eed7eb045cdfb7b3940c373ae7a292a816e57d6ea42b123

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04/03/2024, 12:06

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General

Target
b2151cc499871da9898bf11b82d9b128.exe
Size 384KB
Sample240304-n98tsaah79
SHA256 fc80bf24edc58e548eed7eb045cdfb7b3940c373ae7a292a816e57d6ea42b123
MD5 b2151cc499871da9898bf11b82d9b128
SHA1 60a74fdbfd6e96885babb944531330dd066c1f91
SHA512 106fb090c03178a3a5d6c039930a1d8e291ff0bf3591d242ef4b40359b116ab9b278f2c1c5ad205487de7d04ae269b6a88a564bd650f60a88c4b6148c7b13e96
SSDEEP 6144:mDuXGpcRRu3E5rPzWS2jXkX+xiW6y5lr5/0KrwHqG2DFTUbKQX9DRnmwfFHxIg6u:mF45rPzWXj9j1eKS6FT2FX9tmAhp6+0e
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

haitham.no-ip.info

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/2964-9-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2248-12-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2628-15-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2964-16-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2628-19-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2248-21-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral1/memory/2628-22-0x0000000010000000-0x0000000010048000-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 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{KD8R8358-D58T-WBNO-12DB-4A8616OX023I}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{KD8R8358-D58T-WBNO-12DB-4A8616OX023I}\StubPath = "C:\\win7\\win7.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{KD8R8358-D58T-WBNO-12DB-4A8616OX023I}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{KD8R8358-D58T-WBNO-12DB-4A8616OX023I}\StubPath = "C:\\win7\\win7.exe restart"	explorer.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2964-4-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2964-8-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2964-9-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2248-12-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2628-15-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2964-16-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2628-19-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2248-21-0x0000000010000000-0x0000000010048000-memory.dmp	upx
behavioral1/memory/2628-22-0x0000000010000000-0x0000000010048000-memory.dmp	upx

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "㩃坜湩潤獷卜獹佗㙗尴硥汰牯牥攮數"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\win7\\win7.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\win7\\win7.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\win7\\win7.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\win7\\win7.exe"	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2156 set thread context of 2964	2156	b2151cc499871da9898bf11b82d9b128.exe	28

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2156	b2151cc499871da9898bf11b82d9b128.exe
2628	explorer.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2964	2156	b2151cc499871da9898bf11b82d9b128.exe	28
PID 2156 wrote to memory of 2964	2156	b2151cc499871da9898bf11b82d9b128.exe	28
PID 2156 wrote to memory of 2964	2156	b2151cc499871da9898bf11b82d9b128.exe	28
PID 2156 wrote to memory of 2964	2156	b2151cc499871da9898bf11b82d9b128.exe	28
PID 2156 wrote to memory of 2964	2156	b2151cc499871da9898bf11b82d9b128.exe	28
PID 2156 wrote to memory of 2964	2156	b2151cc499871da9898bf11b82d9b128.exe	28
PID 2156 wrote to memory of 2964	2156	b2151cc499871da9898bf11b82d9b128.exe	28
PID 2156 wrote to memory of 2964	2156	b2151cc499871da9898bf11b82d9b128.exe	28
PID 2156 wrote to memory of 2964	2156	b2151cc499871da9898bf11b82d9b128.exe	28
PID 2964 wrote to memory of 2248	2964	b2151cc499871da9898bf11b82d9b128.exe	29
PID 2964 wrote to memory of 2248	2964	b2151cc499871da9898bf11b82d9b128.exe	29
PID 2964 wrote to memory of 2248	2964	b2151cc499871da9898bf11b82d9b128.exe	29
PID 2964 wrote to memory of 2248	2964	b2151cc499871da9898bf11b82d9b128.exe	29
PID 2964 wrote to memory of 2248	2964	b2151cc499871da9898bf11b82d9b128.exe	29
PID 2964 wrote to memory of 2628	2964	b2151cc499871da9898bf11b82d9b128.exe	30
PID 2964 wrote to memory of 2628	2964	b2151cc499871da9898bf11b82d9b128.exe	30
PID 2964 wrote to memory of 2628	2964	b2151cc499871da9898bf11b82d9b128.exe	30
PID 2964 wrote to memory of 2628	2964	b2151cc499871da9898bf11b82d9b128.exe	30
PID 2964 wrote to memory of 2628	2964	b2151cc499871da9898bf11b82d9b128.exe	30

C:\Users\Admin\AppData\Local\Temp\b2151cc499871da9898bf11b82d9b128.exe
"C:\Users\Admin\AppData\Local\Temp\b2151cc499871da9898bf11b82d9b128.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\b2151cc499871da9898bf11b82d9b128.exe
  "C:\Users\Admin\AppData\Local\Temp\b2151cc499871da9898bf11b82d9b128.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Modifies Installed Components in the registry
    - Adds Run key to start application
    PID:2248
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - Modifies Installed Components in the registry
    - Adds Run key to start application
    - Suspicious use of SetWindowsHookEx
    PID:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

win7.exe

Path C:\win7\win7.exe
Size 384KB
SHA256 fc80bf24edc58e548eed7eb045cdfb7b3940c373ae7a292a816e57d6ea42b123
MD5 b2151cc499871da9898bf11b82d9b128
SHA1 60a74fdbfd6e96885babb944531330dd066c1f91
SHA512 106fb090c03178a3a5d6c039930a1d8e291ff0bf3591d242ef4b40359b116ab9b278f2c1c5ad205487de7d04ae269b6a88a564bd650f60a88c4b6148c7b13e96
SSDEEP 6144:mDuXGpcRRu3E5rPzWS2jXkX+xiW6y5lr5/0KrwHqG2DFTUbKQX9DRnmwfFHxIg6u:mF45rPzWXj9j1eKS6FT2FX9tmAhp6+0e
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2156-2-0x0000000000400000-0x00000000004E4000-memory.dmp

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memory/2156-0-0x0000000000400000-0x00000000004E4000-memory.dmp

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memory/2156-7-0x0000000000400000-0x00000000004E4000-memory.dmp

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memory/2248-10-0x0000000010000000-0x0000000010048000-memory.dmp

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memory/2248-21-0x0000000010000000-0x0000000010048000-memory.dmp

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memory/2248-12-0x0000000010000000-0x0000000010048000-memory.dmp

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memory/2628-15-0x0000000010000000-0x0000000010048000-memory.dmp

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memory/2628-19-0x0000000010000000-0x0000000010048000-memory.dmp

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memory/2628-22-0x0000000010000000-0x0000000010048000-memory.dmp

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memory/2964-9-0x0000000010000000-0x0000000010048000-memory.dmp

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memory/2964-8-0x0000000010000000-0x0000000010048000-memory.dmp

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memory/2964-16-0x0000000010000000-0x0000000010048000-memory.dmp

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memory/2964-6-0x0000000000400000-0x00000000004E4000-memory.dmp

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memory/2964-4-0x0000000010000000-0x0000000010048000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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