398a7bc66e47d5e98192e75f66f4398de1618a0544540564b669d79aea8b0bce

General

Target

398a7bc66e47d5e98192e75f66f4398de1618a0544540564b669d79aea8b0bce.exe
Size

13.1MB
MD5

439138f86ff7e31a1fdc71f869cc74e2
SHA1

5fe9893526550342333bb4994465bd291fb0886a
SHA256

398a7bc66e47d5e98192e75f66f4398de1618a0544540564b669d79aea8b0bce
SHA512

487a8481e5aa73728a43f4c9c13ff36dda3f79d4d87547f83e3710b5a96fa13a3bffdd7341ecce8bb3ec94569b867f58af0827723bb652a49a2c55242ec16509
SSDEEP

393216:wMSglZEAhgHglnbXDK6Owzjv39c9KfVw36HmDFtyxJidd36n2sg:uAyHGbXDK6bG9KfVs6HmRy+dT

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1984	Setup.exe

Loads dropped DLL 4 IoCs

pid	Process
1256	398a7bc66e47d5e98192e75f66f4398de1618a0544540564b669d79aea8b0bce.exe
1984	Setup.exe
1984	Setup.exe
1984	Setup.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1984	Setup.exe
1984	Setup.exe
1984	Setup.exe
1984	Setup.exe
1984	Setup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 1984	1256	398a7bc66e47d5e98192e75f66f4398de1618a0544540564b669d79aea8b0bce.exe	27
PID 1256 wrote to memory of 1984	1256	398a7bc66e47d5e98192e75f66f4398de1618a0544540564b669d79aea8b0bce.exe	27
PID 1256 wrote to memory of 1984	1256	398a7bc66e47d5e98192e75f66f4398de1618a0544540564b669d79aea8b0bce.exe	27
PID 1256 wrote to memory of 1984	1256	398a7bc66e47d5e98192e75f66f4398de1618a0544540564b669d79aea8b0bce.exe	27
PID 1256 wrote to memory of 1984	1256	398a7bc66e47d5e98192e75f66f4398de1618a0544540564b669d79aea8b0bce.exe	27
PID 1256 wrote to memory of 1984	1256	398a7bc66e47d5e98192e75f66f4398de1618a0544540564b669d79aea8b0bce.exe	27
PID 1256 wrote to memory of 1984	1256	398a7bc66e47d5e98192e75f66f4398de1618a0544540564b669d79aea8b0bce.exe	27

C:\Users\Admin\AppData\Local\Temp\398a7bc66e47d5e98192e75f66f4398de1618a0544540564b669d79aea8b0bce.exe
"C:\Users\Admin\AppData\Local\Temp\398a7bc66e47d5e98192e75f66f4398de1618a0544540564b669d79aea8b0bce.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:1984

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.Lst

Filesize
894B

MD5
79bbc855e55ec936c5c95ecbab7c8ef1

SHA1
51a1086a6dd0c1be4b7e82cfc063f5e14d0b9042

SHA256
b74779910d1faa21544eebeff89e163edfa37be53f7ccd6ecc429cec6cea8cc0

SHA512
9a2c087402b27acf65ae63b2e6d7792e16cd54d1cf0dba14088c60450d4fea8ac38da58ac42c9e90525ad94afe1dcee6b742942203fafee346c1332795d4eda6

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.exe

Filesize
1.3MB

MD5
b99251ce62a22a1a8ab9a8514bc78258

SHA1
d0df8d905911e4c96e9d359ae431f1e1bdf3cf0b

SHA256
2dd2adbc08a3456a3b5edfa86d0c1dfadedf86869dbc90f8a8b751dcdc6d9cc1

SHA512
566bb9ef8498ae0b98aebfa6eb90e6cc90d08c819e09ca26bb57dfe9f9ed10112a757cfec137444d76a63cb9a0554a72ed08f12fb3e87d2f0c02ce417d4ac5bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.exe

Filesize
1.3MB

MD5
b99251ce62a22a1a8ab9a8514bc78258

SHA1
d0df8d905911e4c96e9d359ae431f1e1bdf3cf0b

SHA256
2dd2adbc08a3456a3b5edfa86d0c1dfadedf86869dbc90f8a8b751dcdc6d9cc1

SHA512
566bb9ef8498ae0b98aebfa6eb90e6cc90d08c819e09ca26bb57dfe9f9ed10112a757cfec137444d76a63cb9a0554a72ed08f12fb3e87d2f0c02ce417d4ac5bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\setup.dll

Filesize
166KB

MD5
1f917e562921b98e356bd43e14bcb04d

SHA1
17cd7e057f2716c8e622f459421d0ef106cae226

SHA256
8a08f2fc1a59137a7564b2ee756be4389e8e2f2dbd9bd0a9d3bba203d3a84cbd

SHA512
fe1e09923439ed02b411c4bee730015003cef52a685cc3cd2fb939a0837f57304d91984354c6abcbf3758d4bdf4e82ef7de68bc74c656fd5f7551ffc6f2516a1

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.exe

Filesize
1.3MB

MD5
b99251ce62a22a1a8ab9a8514bc78258

SHA1
d0df8d905911e4c96e9d359ae431f1e1bdf3cf0b

SHA256
2dd2adbc08a3456a3b5edfa86d0c1dfadedf86869dbc90f8a8b751dcdc6d9cc1

SHA512
566bb9ef8498ae0b98aebfa6eb90e6cc90d08c819e09ca26bb57dfe9f9ed10112a757cfec137444d76a63cb9a0554a72ed08f12fb3e87d2f0c02ce417d4ac5bf

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.exe

Filesize
1.3MB

MD5
b99251ce62a22a1a8ab9a8514bc78258

SHA1
d0df8d905911e4c96e9d359ae431f1e1bdf3cf0b

SHA256
2dd2adbc08a3456a3b5edfa86d0c1dfadedf86869dbc90f8a8b751dcdc6d9cc1

SHA512
566bb9ef8498ae0b98aebfa6eb90e6cc90d08c819e09ca26bb57dfe9f9ed10112a757cfec137444d76a63cb9a0554a72ed08f12fb3e87d2f0c02ce417d4ac5bf

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.exe

Filesize
1.3MB

MD5
b99251ce62a22a1a8ab9a8514bc78258

SHA1
d0df8d905911e4c96e9d359ae431f1e1bdf3cf0b

SHA256
2dd2adbc08a3456a3b5edfa86d0c1dfadedf86869dbc90f8a8b751dcdc6d9cc1

SHA512
566bb9ef8498ae0b98aebfa6eb90e6cc90d08c819e09ca26bb57dfe9f9ed10112a757cfec137444d76a63cb9a0554a72ed08f12fb3e87d2f0c02ce417d4ac5bf

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX0\Setup.exe

Filesize
1.3MB

MD5
b99251ce62a22a1a8ab9a8514bc78258

SHA1
d0df8d905911e4c96e9d359ae431f1e1bdf3cf0b

SHA256
2dd2adbc08a3456a3b5edfa86d0c1dfadedf86869dbc90f8a8b751dcdc6d9cc1

SHA512
566bb9ef8498ae0b98aebfa6eb90e6cc90d08c819e09ca26bb57dfe9f9ed10112a757cfec137444d76a63cb9a0554a72ed08f12fb3e87d2f0c02ce417d4ac5bf

Download Submit
memory/1256-54-0x0000000075C61000-0x0000000075C63000-memory.dmp

Filesize
8KB

Download
memory/1984-56-0x0000000000000000-mapping.dmp

Download

Analysis

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