d99c4eb478c84c57e13cb4f7758cb40d701d8d11831ebde25dc278f3c2025715

Analysis

max time kernel
91s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2022 07:48

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General

Target

d99c4eb478c84c57e13cb4f7758cb40d701d8d11831ebde25dc278f3c2025715.exe
Size

316KB
MD5

5f0837fe553f82a336f00df5187af700
SHA1

86b3aaceea7c8cf7fe8558c044ac4efd7f335c2c
SHA256

d99c4eb478c84c57e13cb4f7758cb40d701d8d11831ebde25dc278f3c2025715
SHA512

83263f3db44135f5da42edd175abfeff234c7b6be8eb22eedf88a2369d64e3acb7b26d9fa3284b34de13be9e7212929ca01176ab3dec5abbeeb8d493dff49991
SSDEEP

6144:qrYbUzkuvcBYC47l2xa6g4FhwjZd/9d1XKxlo/ecwrHs5H:qrdkuveY36kjZP/XKxlSZAHe

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
5008	d99c4eb478c84c57e13cb4f7758cb40d701d8d11831ebde25dc278f3c2025715.exe
5008	d99c4eb478c84c57e13cb4f7758cb40d701d8d11831ebde25dc278f3c2025715.exe
5008	d99c4eb478c84c57e13cb4f7758cb40d701d8d11831ebde25dc278f3c2025715.exe

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

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	d99c4eb478c84c57e13cb4f7758cb40d701d8d11831ebde25dc278f3c2025715.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	d99c4eb478c84c57e13cb4f7758cb40d701d8d11831ebde25dc278f3c2025715.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5008	d99c4eb478c84c57e13cb4f7758cb40d701d8d11831ebde25dc278f3c2025715.exe
5008	d99c4eb478c84c57e13cb4f7758cb40d701d8d11831ebde25dc278f3c2025715.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 4540	5008	d99c4eb478c84c57e13cb4f7758cb40d701d8d11831ebde25dc278f3c2025715.exe	82
PID 5008 wrote to memory of 4540	5008	d99c4eb478c84c57e13cb4f7758cb40d701d8d11831ebde25dc278f3c2025715.exe	82
PID 5008 wrote to memory of 4540	5008	d99c4eb478c84c57e13cb4f7758cb40d701d8d11831ebde25dc278f3c2025715.exe	82

C:\Users\Admin\AppData\Local\Temp\d99c4eb478c84c57e13cb4f7758cb40d701d8d11831ebde25dc278f3c2025715.exe
"C:\Users\Admin\AppData\Local\Temp\d99c4eb478c84c57e13cb4f7758cb40d701d8d11831ebde25dc278f3c2025715.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\_tin5331.bat"
  2⤵
  PID:4540

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\InstallMate\4484F30F\cfg\1.ini

Filesize
368B

MD5
3a9830a2f57ef1e602de02bd9cc8eb56

SHA1
5135a0295755e536b833c6c6010900ff99cdbabf

SHA256
8d138bedf3228f7ef9405940526a73f49395fd2917aa22e7d5596297e222da42

SHA512
87ed85acdc1509bb02e437f50e7a90695f66b2a7a996a526f0310ba277de9ce8d7343983e2ae0b5dbedcca832bb90da802d7182972f1b14be0a203cfbd14cc41

Download Submit
C:\Users\Admin\AppData\Local\Temp\TsuB0B93C6B.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\_tin5331.bat

Filesize
50B

MD5
2fcab5bc66de7227b79c9e0b27ec30f9

SHA1
c11ed579ba6a8c2b88fb14487728b786ad6773ce

SHA256
8f37275e15e3c2c927504a9e13e3dd0e9726734f961321a2e88627879de1e0d0

SHA512
f7cd3d7ae4f0aff58c5be80aa08f08348fed6c9fd340d12c421becb77bb98caffcffec56e817ce8936efaa4c6fb5183c518a3faa2e4fbe7f5d6024b8920e38ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\{6BFD1DCD-B843-4AF9-A812-F061B01E3F3B}\Custom.dll

Filesize
91KB

MD5
007b5fc4d6da8d120170be285d7e0bdc

SHA1
f32589aef4f6b3c3384df75218943f13feb0a845

SHA256
a8e8807a9edcbb67dc1af5b6ef07fa151d153b7eaa78939be8874529939f1647

SHA512
bf528370f12d9f2d40c233544de3ca7594942ef5bdde0d17b96760eaf162a435181ee24253c06c473d7fd3c4cab5911150381e5999ec8990069276bd5ecfe9c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\{6BFD1DCD-B843-4AF9-A812-F061B01E3F3B}\_Setup.dll

Filesize
173KB

MD5
40ff5ae516fc869ef29e59f018d8f17f

SHA1
ed8642cf6c47a331037a01ccd27e92f94ffa9835

SHA256
e35b1cbd557c01edde9ea29e44a6fc11dee2d131964070b15b6f0f1bc5a5ec83

SHA512
8da81741a31f84490c9c25990fc17cb0c4a75ba6a7ff03069413d5dc6f49cafd97118a7bb4af94d10768be895b086b7ea1d5c49d27e0110587fdaf6fd7129cbc

Download Submit
memory/4540-135-0x0000000000000000-mapping.dmp

Download