ec9c47685aaf2711429538df1efddeace58992d79f685387778f0a99af4cdbe5

Analysis

max time kernel
133s
max time network
62s
platform
windows7_x64
resource
win7v20210408
submitted
26-09-2021 15:01

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General

Target

D8C7.exe
Size

2.8MB
MD5

a8f923639f9b10392a12e409a4b65d80
SHA1

5dc1b8d6751f37ac2cfa526e35de2bedac479332
SHA256

ec9c47685aaf2711429538df1efddeace58992d79f685387778f0a99af4cdbe5
SHA512

57a34ad6388e675c69dcce9a5a8761d9d7ec80be3229545b82dfd8bf16f0702ccdf6a51b8316d569f10f8a6e2e9b9e78ee07227b73d356984a10061b63921214

Score

9^/10

discovery evasion spyware stealer themida trojan

Malware Config

Signatures

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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:

D8C7.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	D8C7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	D8C7.exe

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 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1208-62-0x0000000000120000-0x0000000000121000-memory.dmp	themida

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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:

D8C7.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA D8C7.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

D8C7.exe

pid process

1208 D8C7.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

D8C7.exe

pid process

1208 D8C7.exe
1208 D8C7.exe
1208 D8C7.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

D8C7.exe

description pid process

Token: SeDebugPrivilege 1208 D8C7.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	D8C7.exe

pid	process
1208	D8C7.exe

pid	process
1208	D8C7.exe
1208	D8C7.exe
1208	D8C7.exe

description	pid	process
Token: SeDebugPrivilege	1208	D8C7.exe

C:\Users\Admin\AppData\Local\Temp\D8C7.exe
"C:\Users\Admin\AppData\Local\Temp\D8C7.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1208

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/1208-60-0x0000000075C71000-0x0000000075C73000-memory.dmp

Filesize
8KB

Download
memory/1208-62-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/1208-64-0x0000000005050000-0x0000000005051000-memory.dmp

Filesize
4KB

Download