icexloader | 7187c07248bf909a485b8f92b0ba96ee43d7ab655e1e9ed19bed80ac004e20ff

General

Target

71b6ec48cb50fac4c16a41e3719489ca.exe
Size

1.1MB
MD5

71b6ec48cb50fac4c16a41e3719489ca
SHA1

00afd00a000d167d06d16a2c5dadb474f42e5837
SHA256

7187c07248bf909a485b8f92b0ba96ee43d7ab655e1e9ed19bed80ac004e20ff
SHA512

9484401e046b06ff0b7037a2af3d9de607f96723935e2edc746b06f3df5fd1ead516e14fdbffa6210ffb4bf5dc0a619cfdc362547ec0047485daf6051dbd22b3

Score

10^/10

icexloader loader persistence

Malware Config

Signatures

Detects IceXLoader v3.0 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3616-143-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral2/memory/3616-145-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral2/memory/3616-146-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3
behavioral2/memory/3616-147-0x0000000000400000-0x0000000000451000-memory.dmp	family_icexloader_v3

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

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

Processes:

71b6ec48cb50fac4c16a41e3719489ca.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\Control Panel\International\Geo\Nation	71b6ec48cb50fac4c16a41e3719489ca.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

71b6ec48cb50fac4c16a41e3719489ca.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bol = "\"C:\\Users\\Admin\\AppData\\Roaming\\bol.exe\""	71b6ec48cb50fac4c16a41e3719489ca.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

71b6ec48cb50fac4c16a41e3719489ca.exe

description pid process target process

PID 2528 set thread context of 3616 2528 71b6ec48cb50fac4c16a41e3719489ca.exe InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 2528 set thread context of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

71b6ec48cb50fac4c16a41e3719489ca.exepowershell.exe

pid	process
2528	71b6ec48cb50fac4c16a41e3719489ca.exe
1144	powershell.exe
1144	powershell.exe
2528	71b6ec48cb50fac4c16a41e3719489ca.exe
2528	71b6ec48cb50fac4c16a41e3719489ca.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

71b6ec48cb50fac4c16a41e3719489ca.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2528 71b6ec48cb50fac4c16a41e3719489ca.exe
Token: SeDebugPrivilege 1144 powershell.exe

description	pid	process
Token: SeDebugPrivilege	2528	71b6ec48cb50fac4c16a41e3719489ca.exe
Token: SeDebugPrivilege	1144	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

71b6ec48cb50fac4c16a41e3719489ca.exe

description	pid	process	target process
PID 2528 wrote to memory of 1144	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	powershell.exe
PID 2528 wrote to memory of 1144	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	powershell.exe
PID 2528 wrote to memory of 1144	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	powershell.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe
PID 2528 wrote to memory of 3616	2528	71b6ec48cb50fac4c16a41e3719489ca.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\71b6ec48cb50fac4c16a41e3719489ca.exe
"C:\Users\Admin\AppData\Local\Temp\71b6ec48cb50fac4c16a41e3719489ca.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2528

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:1144

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
PID:3616

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1144-138-0x0000000005EB0000-0x0000000005F16000-memory.dmp

Filesize
408KB

Download
memory/1144-140-0x0000000007C20000-0x000000000829A000-memory.dmp

Filesize
6.5MB

Download
memory/1144-134-0x0000000000000000-mapping.dmp

Download
memory/1144-135-0x0000000005050000-0x0000000005086000-memory.dmp

Filesize
216KB

Download
memory/1144-136-0x0000000005880000-0x0000000005EA8000-memory.dmp

Filesize
6.2MB

Download
memory/1144-137-0x00000000057F0000-0x0000000005856000-memory.dmp

Filesize
408KB

Download
memory/1144-141-0x0000000006AF0000-0x0000000006B0A000-memory.dmp

Filesize
104KB

Download
memory/1144-139-0x00000000061E0000-0x00000000061FE000-memory.dmp

Filesize
120KB

Download
memory/2528-132-0x0000000000010000-0x0000000000130000-memory.dmp

Filesize
1.1MB

Download
memory/2528-133-0x0000000004ED0000-0x0000000004EF2000-memory.dmp

Filesize
136KB

Download
memory/3616-142-0x0000000000000000-mapping.dmp

Download
memory/3616-143-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3616-145-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3616-146-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3616-147-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads