99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8

Analysis

max time kernel
91s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 08:03

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General

Target

99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.exe
Size

314KB
MD5

aae0601f2a9ee5cfae0ccadce68697b1
SHA1

3dbac9ad272f113476ca833a9f863dda8421a5c5
SHA256

99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8
SHA512

f5ccec862c129954c7ee5f4a5d0fc6602577ca7290a2a4aaf05541beba793f0bcb592936471644e83f116fd99450db324f56d966ff0daa07eb6ad291bd80d00c
SSDEEP

6144:drYbUzkuvcBYC47l2xa6g4FhwjZd/9d1XKxlo/ecwrHs5im:drdkuveY36kjZP/XKxlSZAHG

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

Processes:

99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.exe

pid	process
4804	99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.exe
4804	99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.exe
4804	99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.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

Processes:

99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.exe

pid	process
4804	99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.exe
4804	99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.exe

description	pid	process	target process
PID 4804 wrote to memory of 3304	4804	99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.exe	cmd.exe
PID 4804 wrote to memory of 3304	4804	99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.exe	cmd.exe
PID 4804 wrote to memory of 3304	4804	99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.exe
"C:\Users\Admin\AppData\Local\Temp\99ff595be4bb6241a54308065b23d9c2b7bfb1a6c63589c257820fe18d0ef7c8.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4804

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\_tin5331.bat"
2⤵
PID:3304

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\InstallMate\C6834419\cfg\1.ini
Filesize
368B

MD5
3a9830a2f57ef1e602de02bd9cc8eb56

SHA1
5135a0295755e536b833c6c6010900ff99cdbabf

SHA256
8d138bedf3228f7ef9405940526a73f49395fd2917aa22e7d5596297e222da42

SHA512
87ed85acdc1509bb02e437f50e7a90695f66b2a7a996a526f0310ba277de9ce8d7343983e2ae0b5dbedcca832bb90da802d7182972f1b14be0a203cfbd14cc41

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tsu98205D41.dll
Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
C:\Users\Admin\AppData\Local\Temp\_tin5331.bat
Filesize
50B

MD5
0ca7690c33620a0e62de2f0056a29c5b

SHA1
bd6492cb6bf17f45be0c049a5609fc6ad50990c9

SHA256
7ea2ffba769bc6d14f8e97031ef7842ebd175501eb411330d4486beaa06efd41

SHA512
9dcd43ec9c75fd0e810c9f9c86fba6022d62618f354dd9f3a1cece8ef4c3583bc6ffb14fccd886210b840b78c4756d2d879be4c1d8bb19db7a4c914075389a27

Download Submit
C:\Users\Admin\AppData\Local\Temp\{B04BA9C2-AA1A-49A3-AB48-E2386BA88B34}\Custom.dll
Filesize
91KB

MD5
007b5fc4d6da8d120170be285d7e0bdc

SHA1
f32589aef4f6b3c3384df75218943f13feb0a845

SHA256
a8e8807a9edcbb67dc1af5b6ef07fa151d153b7eaa78939be8874529939f1647

SHA512
bf528370f12d9f2d40c233544de3ca7594942ef5bdde0d17b96760eaf162a435181ee24253c06c473d7fd3c4cab5911150381e5999ec8990069276bd5ecfe9c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\{B04BA9C2-AA1A-49A3-AB48-E2386BA88B34}\_Setup.dll
Filesize
173KB

MD5
40ff5ae516fc869ef29e59f018d8f17f

SHA1
ed8642cf6c47a331037a01ccd27e92f94ffa9835

SHA256
e35b1cbd557c01edde9ea29e44a6fc11dee2d131964070b15b6f0f1bc5a5ec83

SHA512
8da81741a31f84490c9c25990fc17cb0c4a75ba6a7ff03069413d5dc6f49cafd97118a7bb4af94d10768be895b086b7ea1d5c49d27e0110587fdaf6fd7129cbc

Download Submit
memory/3304-135-0x0000000000000000-mapping.dmp

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