99d05af5e1e620af7e7c50b91c0944678f5aba0f0ddcd0baedb80448d215d90d

Analysis

max time kernel
72s
max time network
108s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19/10/2022, 14:43

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General

Target

99d05af5e1e620af7e7c50b91c0944678f5aba0f0ddcd0baedb80448d215d90d.exe
Size

327KB
MD5

a1732c0f06d790714fad58328da959b0
SHA1

65904f35e196829899ea69610c57c9274b1095bf
SHA256

99d05af5e1e620af7e7c50b91c0944678f5aba0f0ddcd0baedb80448d215d90d
SHA512

01bef986fbbcd475e64215f84ceba536b10c6b1cd9d071f086f1cb85127ac6c5dfe9bce105ca8e82a1ce90117dc1c7d7fa268b9b48ff3f9cb30352206936bfb6
SSDEEP

6144:mrhbUzkuvcBYC47l2xpi30XNFBLe8zl0yRNGNm3XPUwPa6Y+J/jk:mrikuveY3+tNFhJrNf8ll

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
1724	99d05af5e1e620af7e7c50b91c0944678f5aba0f0ddcd0baedb80448d215d90d.exe
1724	99d05af5e1e620af7e7c50b91c0944678f5aba0f0ddcd0baedb80448d215d90d.exe
1724	99d05af5e1e620af7e7c50b91c0944678f5aba0f0ddcd0baedb80448d215d90d.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	99d05af5e1e620af7e7c50b91c0944678f5aba0f0ddcd0baedb80448d215d90d.exe
Key value enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	99d05af5e1e620af7e7c50b91c0944678f5aba0f0ddcd0baedb80448d215d90d.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1724	99d05af5e1e620af7e7c50b91c0944678f5aba0f0ddcd0baedb80448d215d90d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 1800	1724	99d05af5e1e620af7e7c50b91c0944678f5aba0f0ddcd0baedb80448d215d90d.exe	31
PID 1724 wrote to memory of 1800	1724	99d05af5e1e620af7e7c50b91c0944678f5aba0f0ddcd0baedb80448d215d90d.exe	31
PID 1724 wrote to memory of 1800	1724	99d05af5e1e620af7e7c50b91c0944678f5aba0f0ddcd0baedb80448d215d90d.exe	31
PID 1724 wrote to memory of 1800	1724	99d05af5e1e620af7e7c50b91c0944678f5aba0f0ddcd0baedb80448d215d90d.exe	31

C:\Users\Admin\AppData\Local\Temp\99d05af5e1e620af7e7c50b91c0944678f5aba0f0ddcd0baedb80448d215d90d.exe
"C:\Users\Admin\AppData\Local\Temp\99d05af5e1e620af7e7c50b91c0944678f5aba0f0ddcd0baedb80448d215d90d.exe"
1⤵
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\_tin674E.bat"
  2⤵
  PID:1800

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\588E3DEB\cfg\1.ini

Filesize
368B

MD5
3a9830a2f57ef1e602de02bd9cc8eb56

SHA1
5135a0295755e536b833c6c6010900ff99cdbabf

SHA256
8d138bedf3228f7ef9405940526a73f49395fd2917aa22e7d5596297e222da42

SHA512
87ed85acdc1509bb02e437f50e7a90695f66b2a7a996a526f0310ba277de9ce8d7343983e2ae0b5dbedcca832bb90da802d7182972f1b14be0a203cfbd14cc41

Download Submit
C:\Users\Admin\AppData\Local\Temp\_tin674E.bat

Filesize
50B

MD5
1b59760980c089b81b82ed40ae309ecd

SHA1
1631aab7898ecacc95fcef0a3f961d9e93a84aa2

SHA256
09eb828e934bd2b7f30433151725a14f3b5acced7992a82057042d1126c453d7

SHA512
b876151f20fb96021ab10291b299020c73777e9d6a8cc004b7d1ae6cd3b35be5f7f174f9c88e1cb62f0b16ab125c02e78ebc4845024325ecd5635a638d1d5d61

Download Submit
\Users\Admin\AppData\Local\Temp\Tsu7A191D93.dll

Filesize
269KB

MD5
af7ce801c8471c5cd19b366333c153c4

SHA1
4267749d020a362edbd25434ad65f98b073581f1

SHA256
cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e

SHA512
88655bd940e9b540c4df551fe68135793eceed03f94389b0654637a18b252bf4d3ef73b0c49548b5fa6ba2cf6d9aff79335c4ebcc0b668e008bcc62c40d2a73c

Download Submit
\Users\Admin\AppData\Local\Temp\{07CF2DD2-6926-4F2B-ADC0-2104DC2C0F24}\Custom.dll

Filesize
91KB

MD5
81856796ffc64fadd39fa921a1b45ddb

SHA1
360313131e7ae57002c2403dfc48bc20718d2cb0

SHA256
ec9146dfb838ad477bdf3cbde578baf014c8151d741559568dcb3803d6c9a0eb

SHA512
299771bc1f57eeb59665cfcfaedd0c4c196771173f1b65cfa21a1592ab46ab8a1733ef4a7560a74adde00c075dc7147ab9d0a885c5c7e0218f1f955b39aa2be0

Download Submit
\Users\Admin\AppData\Local\Temp\{07CF2DD2-6926-4F2B-ADC0-2104DC2C0F24}\_Setup.dll

Filesize
183KB

MD5
3530911a0588f1bbae2d8bba350b4474

SHA1
998bd2fe9abc3a81669330353b695e4d879b5e93

SHA256
4c2fdb86e7690e62dfd26a9b36d6b5f7a12b11d33c40ff0faa1aca54b667b6ee

SHA512
f183b9338232a59b000c758726c24cbbf74d7e5e3ad02da4977400ef9bcf1320ff211647de6a9273afc6605efc15257a838482810de828c4605f294b6faa6e14

Download Submit
memory/1724-55-0x0000000076411000-0x0000000076413000-memory.dmp

Filesize
8KB

Download