icexloader | 678c05e87b07f6f9a979ae0f032956baf9ccb338aec4b50af77284d62fc97688

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
10-08-2022 14:07

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General

Target

b603ce4a15e89ee253d97c1b1deb4941.exe
Size

1.1MB
MD5

b603ce4a15e89ee253d97c1b1deb4941
SHA1

9a436e302870bbb2460fb6824333a170df577b95
SHA256

678c05e87b07f6f9a979ae0f032956baf9ccb338aec4b50af77284d62fc97688
SHA512

3e82f7b6db17b094543e5e29d6c11c643b403809ff3ea6f541b71a778c498664afe63e1a5196b1c2d058233cfad3fd88851629490809d3234a0ca9f1787d2f93

Score

10^/10

icexloader loader persistence

Malware Config

Signatures

Detects IceXLoader v3.0 18 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2008-69-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2008-71-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2008-72-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2008-73-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2008-75-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2008-77-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2008-78-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2008-80-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2008-81-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2008-82-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2008-83-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2008-84-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2008-85-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2008-87-0x00000000004010BA-mapping.dmp	family_icexloader_v3
behavioral1/memory/2008-86-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2008-89-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2008-91-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral1/memory/2008-92-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3

icexloader
IceXLoader is a downloader used to deliver other malware families.
loader icexloader

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b603ce4a15e89ee253d97c1b1deb4941.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\bob = "\"C:\\Users\\Admin\\AppData\\Roaming\\bob.exe\""	b603ce4a15e89ee253d97c1b1deb4941.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b603ce4a15e89ee253d97c1b1deb4941.exe

description	pid	Process	procid_target
PID 908 set thread context of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

b603ce4a15e89ee253d97c1b1deb4941.exepowershell.exe

pid	Process
908	b603ce4a15e89ee253d97c1b1deb4941.exe
952	powershell.exe
908	b603ce4a15e89ee253d97c1b1deb4941.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b603ce4a15e89ee253d97c1b1deb4941.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	908	b603ce4a15e89ee253d97c1b1deb4941.exe
Token: SeDebugPrivilege	952	powershell.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

b603ce4a15e89ee253d97c1b1deb4941.exe

description	pid	Process	procid_target
PID 908 wrote to memory of 952	908	b603ce4a15e89ee253d97c1b1deb4941.exe	27
PID 908 wrote to memory of 952	908	b603ce4a15e89ee253d97c1b1deb4941.exe	27
PID 908 wrote to memory of 952	908	b603ce4a15e89ee253d97c1b1deb4941.exe	27
PID 908 wrote to memory of 952	908	b603ce4a15e89ee253d97c1b1deb4941.exe	27
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29
PID 908 wrote to memory of 2008	908	b603ce4a15e89ee253d97c1b1deb4941.exe	29

C:\Users\Admin\AppData\Local\Temp\b603ce4a15e89ee253d97c1b1deb4941.exe
"C:\Users\Admin\AppData\Local\Temp\b603ce4a15e89ee253d97c1b1deb4941.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:952
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  2⤵
  PID:2008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/908-54-0x0000000000140000-0x0000000000260000-memory.dmp

Filesize
1.1MB

Download
memory/908-55-0x00000000021A0000-0x00000000022A6000-memory.dmp

Filesize
1.0MB

Download
memory/908-56-0x0000000001F30000-0x0000000001FC2000-memory.dmp

Filesize
584KB

Download
memory/908-57-0x0000000075D21000-0x0000000075D23000-memory.dmp

Filesize
8KB

Download
memory/952-58-0x0000000000000000-mapping.dmp

Download
memory/952-60-0x000000006F550000-0x000000006FAFB000-memory.dmp

Filesize
5.7MB

Download
memory/952-61-0x000000006F550000-0x000000006FAFB000-memory.dmp

Filesize
5.7MB

Download
memory/952-62-0x000000006F550000-0x000000006FAFB000-memory.dmp

Filesize
5.7MB

Download
memory/2008-63-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-64-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-66-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-67-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-69-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-71-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-72-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-73-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-75-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-77-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-78-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-80-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-81-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-82-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-83-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-84-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-85-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-87-0x00000000004010BA-mapping.dmp

Download
memory/2008-86-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-89-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-91-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2008-92-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download