32197c7b906d34315665e750ce5207ff254a553debcdfb3732e77dbfdc931f17

General

Target

Inno/InnoInstaller.exe
Size

1019.0MB
MD5

801879d5b7a0c86a30552dafbbf1460d
SHA1

d1aca891358f0fd24e12a759e4cafbcd7be909b7
SHA256

9c98187745a94a9687536aac12711617c55a411c9ba231791924236f3627cde5
SHA512

fc8b64f350c1bf6a9a516f9a80906c4ecbf5b75f9982a596cf946aa88c7b338e62824811484afeeaa539567e0b19d0e319a764eaf21764b332408760a14b420d
SSDEEP

98304:XHpb2umYIoREUsoGytV4n0oj8tb3gCHg1dWmX:Xdlm7AEQGyD4E39AvtX

Score

9^/10

agilenet discovery evasion spyware stealer themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

InnoInstaller.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ InnoInstaller.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	InnoInstaller.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

InnoInstaller.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	InnoInstaller.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	InnoInstaller.exe

Obfuscated with Agile.Net obfuscator 3 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral2/memory/1376-137-0x00000000004F0000-0x0000000000E98000-memory.dmp	agile_net
behavioral2/memory/1376-138-0x00000000004F0000-0x0000000000E98000-memory.dmp	agile_net
behavioral2/memory/1376-314-0x00000000004F0000-0x0000000000E98000-memory.dmp	agile_net

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/1376-137-0x00000000004F0000-0x0000000000E98000-memory.dmp	themida
behavioral2/memory/1376-138-0x00000000004F0000-0x0000000000E98000-memory.dmp	themida
behavioral2/memory/1376-314-0x00000000004F0000-0x0000000000E98000-memory.dmp	themida

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

InnoInstaller.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA InnoInstaller.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

42 ip-api.com
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

InnoInstaller.exe

pid process

1376 InnoInstaller.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3672 1376 WerFault.exe InnoInstaller.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	InnoInstaller.exe

flow	ioc
42	ip-api.com

pid	pid_target	process	target process
3672	1376	WerFault.exe	InnoInstaller.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

InnoInstaller.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	InnoInstaller.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	InnoInstaller.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

InnoInstaller.exe

pid	process
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe
1376	InnoInstaller.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

InnoInstaller.exe

description pid process

Token: SeDebugPrivilege 1376 InnoInstaller.exe

description	pid	process
Token: SeDebugPrivilege	1376	InnoInstaller.exe

C:\Users\Admin\AppData\Local\Temp\Inno\InnoInstaller.exe
"C:\Users\Admin\AppData\Local\Temp\Inno\InnoInstaller.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1376 -s 2276
2⤵
- Program crash
PID:3672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1376 -ip 1376
1⤵
PID:384

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

4

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\d943e5815468e601abac61d473b2e0bd\Admin@[email protected]\Processes.txt
Filesize
4KB

MD5
b75603636bc871960d41e22c3173308a

SHA1
60fb77539012f9c1e8e9e6cd686a52336c69eb74

SHA256
e75e110a95d80455633054d9a790c2a4e64b52c5cafc3c48cfa2e71f1a8cedc2

SHA512
97095a067f82d1d482b4d3a21810632ada6f1600725be70b8d3f48925898450f02d8987cdf2f36bd6e72739f102756ee28733c41bbacbe46b885669e000aef57

Download Submit
C:\Users\Admin\AppData\Local\d943e5815468e601abac61d473b2e0bd\Admin@[email protected]\Software.txt
Filesize
4KB

MD5
ba677776671f5a143438935d549bccc2

SHA1
cb4efbb91ae2dfc3ddc24a5e242619168ac57587

SHA256
df5b6d7f6f0fbcc13b3bb8f168cb5cc0c9e80f6c5845f844c8ea675221e7e2c1

SHA512
7099cacb87ca621e8eb9c60253d307efb614afe1de5f0c3966eecf0da64d8b54acc7847069ba2d9bf44bd39ad270e6fe79ae1b9c6b296cdb137a1b1a9aedc721

Download Submit
C:\Users\Admin\AppData\Local\d943e5815468e601abac61d473b2e0bd\msgid.dat
Filesize
13B

MD5
8df468ebecf57381e4d623a08ab62a77

SHA1
45140edb8d215b55150332da494c9b4a6a5c7457

SHA256
c8154e8715a09482b9a936070b700fa180f2057343eb03c122e1d4e316e59a08

SHA512
b1d830027b90948a277d6f8b40230ab57bbb3edd103d4c9b5b7cc2a4d5a6a162c218b9de25f9ee042eddf079b25097a686040be1be214199b6bea3ff1989c7f0

Download Submit
memory/1376-202-0x0000000007800000-0x0000000007DA4000-memory.dmp

Filesize
5.6MB

Download
memory/1376-138-0x00000000004F0000-0x0000000000E98000-memory.dmp

Filesize
9.7MB

Download
memory/1376-141-0x00000000004F0000-0x0000000000E98000-memory.dmp

Filesize
9.7MB

Download
memory/1376-152-0x00000000071B0000-0x0000000007242000-memory.dmp

Filesize
584KB

Download
memory/1376-139-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download
memory/1376-133-0x00000000004F0000-0x0000000000E98000-memory.dmp

Filesize
9.7MB

Download
memory/1376-213-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download
memory/1376-140-0x0000000005D30000-0x0000000005D96000-memory.dmp

Filesize
408KB

Download
memory/1376-292-0x00000000068C0000-0x00000000068CA000-memory.dmp

Filesize
40KB

Download
memory/1376-293-0x0000000006A40000-0x0000000006A52000-memory.dmp

Filesize
72KB

Download
memory/1376-299-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download
memory/1376-137-0x00000000004F0000-0x0000000000E98000-memory.dmp

Filesize
9.7MB

Download
memory/1376-312-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download
memory/1376-314-0x00000000004F0000-0x0000000000E98000-memory.dmp

Filesize
9.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads