d97a7fc44bf341b9b2b2e65b46dab4f7d329afe15b4308b5aa56d5bfd7b99d35

General

Target

AppGate2103v01.exe
Size

4.3MB
MD5

858bb0a3b4fa6a54586402e3ee117076
SHA1

997c31f043347883ea5ed2323a558b6cc5ea9c8e
SHA256

d97a7fc44bf341b9b2b2e65b46dab4f7d329afe15b4308b5aa56d5bfd7b99d35
SHA512

e8374b115f056b5d345c9b5f9c42b3d49e0640d7fad869448f686add6e52b783ecc7fd35ee15a67b944843491a91becf5b7c0bd5603eda01042dd2904c1ad8fd
SSDEEP

98304:n64KjpOZP7Gf8oC4felvJoch5wET9ItRmeFa6vcuEDAm:nBKlSPaMlxocM8+tE6kuEMm

Score

10^/10

evasion themida trojan

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	AppGate2103v01.exe

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	AppGate2103v01.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	AppGate2103v01.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	AppGate2103v01.exe

Themida packer 9 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2992-0-0x000000013F9E0000-0x00000001404EA000-memory.dmp	themida
behavioral1/memory/2992-5-0x000000013F9E0000-0x00000001404EA000-memory.dmp	themida
behavioral1/memory/2992-7-0x000000013F9E0000-0x00000001404EA000-memory.dmp	themida
behavioral1/memory/2992-8-0x000000013F9E0000-0x00000001404EA000-memory.dmp	themida
behavioral1/memory/2992-9-0x000000013F9E0000-0x00000001404EA000-memory.dmp	themida
behavioral1/memory/2992-10-0x000000013F9E0000-0x00000001404EA000-memory.dmp	themida
behavioral1/memory/2992-11-0x000000013F9E0000-0x00000001404EA000-memory.dmp	themida
behavioral1/memory/2992-12-0x000000013F9E0000-0x00000001404EA000-memory.dmp	themida
behavioral1/memory/2992-57-0x000000013F9E0000-0x00000001404EA000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	AppGate2103v01.exe

Looks up external IP address via web service 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.myip.com
5	api.myip.com
8	ipinfo.io
9	ipinfo.io

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	AppGate2103v01.exe
File opened for modification	C:\Windows\System32\GroupPolicy	AppGate2103v01.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	AppGate2103v01.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	AppGate2103v01.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2992	AppGate2103v01.exe

C:\Users\Admin\AppData\Local\Temp\AppGate2103v01.exe
"C:\Users\Admin\AppData\Local\Temp\AppGate2103v01.exe"
1⤵
- Modifies firewall policy service
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:2992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Modify Registry

1

T1112

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1C2F.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
memory/2992-8-0x000000013F9E0000-0x00000001404EA000-memory.dmp

Filesize
11.0MB

Download
memory/2992-9-0x000000013F9E0000-0x00000001404EA000-memory.dmp

Filesize
11.0MB

Download
memory/2992-4-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2992-5-0x000000013F9E0000-0x00000001404EA000-memory.dmp

Filesize
11.0MB

Download
memory/2992-6-0x000007FE80010000-0x000007FE80011000-memory.dmp

Filesize
4KB

Download
memory/2992-7-0x000000013F9E0000-0x00000001404EA000-memory.dmp

Filesize
11.0MB

Download
memory/2992-0-0x000000013F9E0000-0x00000001404EA000-memory.dmp

Filesize
11.0MB

Download
memory/2992-3-0x000007FEFD730000-0x000007FEFD79C000-memory.dmp

Filesize
432KB

Download
memory/2992-10-0x000000013F9E0000-0x00000001404EA000-memory.dmp

Filesize
11.0MB

Download
memory/2992-11-0x000000013F9E0000-0x00000001404EA000-memory.dmp

Filesize
11.0MB

Download
memory/2992-12-0x000000013F9E0000-0x00000001404EA000-memory.dmp

Filesize
11.0MB

Download
memory/2992-2-0x00000000778D0000-0x0000000077A79000-memory.dmp

Filesize
1.7MB

Download
memory/2992-1-0x000007FEFD730000-0x000007FEFD79C000-memory.dmp

Filesize
432KB

Download
memory/2992-57-0x000000013F9E0000-0x00000001404EA000-memory.dmp

Filesize
11.0MB

Download
memory/2992-58-0x000007FEFD730000-0x000007FEFD79C000-memory.dmp

Filesize
432KB

Download
memory/2992-60-0x00000000778D0000-0x0000000077A79000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads