strela | 23107ced99838695bf4391c1271bafce47fad96e95b28f52df0a060038f80a7b

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
31/01/2024, 15:43

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General

Target
28836_2593959416481.js
Size 1.4MB
Sample240131-s567lsfec6
SHA256 23107ced99838695bf4391c1271bafce47fad96e95b28f52df0a060038f80a7b
MD5 6a6c6d9614e572fedbfb8d2eb108bb42
SHA1 347b37c4eb1c9d6f6d18d7ec13291436b43bab79
SHA512 e7b0a9980f6a08c709ce251baf43553c1799dd7593ad8620d80aeaa1366934072bfd40edbc4d3b6660e8c31b6a74577ad34eb7fd93a3685ac4504eed58c22499
SSDEEP 24576:68+ynjkFpqZ5YszaGTWeo2a2QQrcuCUw2eQBJeOsvWthPVtd9qu2X+DlvCu0903s:aN
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

strela stealer

Malware Config

Signatures

Strela
An info stealer targeting mail credentials first seen in late 2022.
stealer strela

Loads dropped DLL 4 IoCs

pid	Process
1408	rundll32.exe
1408	rundll32.exe
1408	rundll32.exe
1408	rundll32.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 1392	1924	wscript.exe	28
PID 1924 wrote to memory of 1392	1924	wscript.exe	28
PID 1924 wrote to memory of 1392	1924	wscript.exe	28
PID 1392 wrote to memory of 1652	1392	cmd.exe	30
PID 1392 wrote to memory of 1652	1392	cmd.exe	30
PID 1392 wrote to memory of 1652	1392	cmd.exe	30
PID 1392 wrote to memory of 588	1392	cmd.exe	31
PID 1392 wrote to memory of 588	1392	cmd.exe	31
PID 1392 wrote to memory of 588	1392	cmd.exe	31
PID 1392 wrote to memory of 1408	1392	cmd.exe	32
PID 1392 wrote to memory of 1408	1392	cmd.exe	32
PID 1392 wrote to memory of 1408	1392	cmd.exe	32

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\28836_2593959416481.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\28836_2593959416481.js" "C:\Users\Admin\\pleasantobject.bat" && "C:\Users\Admin\\pleasantobject.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1392
- - C:\Windows\system32\findstr.exe
    findstr /V militarysnore ""C:\Users\Admin\\pleasantobject.bat""
    3⤵
    PID:1652
- - C:\Windows\system32\certutil.exe
    certutil -f -decode shakyinconclusive gatewoman.dll
    3⤵
    PID:588
- - C:\Windows\system32\rundll32.exe
    rundll32 gatewoman.dll,main
    3⤵
    - Loads dropped DLL
    PID:1408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

pleasantobject.bat

Path C:\Users\Admin\pleasantobject.bat
Size 1.4MB
SHA256 23107ced99838695bf4391c1271bafce47fad96e95b28f52df0a060038f80a7b
MD5 6a6c6d9614e572fedbfb8d2eb108bb42
SHA1 347b37c4eb1c9d6f6d18d7ec13291436b43bab79
SHA512 e7b0a9980f6a08c709ce251baf43553c1799dd7593ad8620d80aeaa1366934072bfd40edbc4d3b6660e8c31b6a74577ad34eb7fd93a3685ac4504eed58c22499
SSDEEP 24576:68+ynjkFpqZ5YszaGTWeo2a2QQrcuCUw2eQBJeOsvWthPVtd9qu2X+DlvCu0903s:aN
MD5 SHA1 SHA512 SSDEEP

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shakyinconclusive

Path C:\Users\Admin\shakyinconclusive
Size 1.4MB
SHA256 25abcd9fb9ee09402dbc40b58466283739f223932fef07239f11548af088e9b4
MD5 6423b4a456dc34d7c6f67740aaa371fa
SHA1 d9d4c432b60581b9d8b3fdd55e781ce5ff5e6df5
SHA512 31c99c287ad497c14f70bd99163e9304952f662089b774ebbc94bf70c07e27ecc683d9e4ace957f17028883c0643e55a0e5ffcceaacc33e95ffd9f748c61b181
SSDEEP 24576:v8+ynjkFpqZ5YszaGTWeo2a2QQrcuCUw2eQBJeOsvWthPVtd9qu2X+DlvCu0903J:J0
MD5 SHA1 SHA512 SSDEEP

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gatewoman.dll

Path \Users\Admin\gatewoman.dll
Size 1.0MB
SHA256 ae1388f95f2678b7b6aabaf430b646710cdea10850c2556fbfcc0fb068e6fe4e
MD5 d5f35509799fe456a67d41558f1b0f80
SHA1 c7d1cb4541fadc69dc2f3a6f04b2940600d12e5c
SHA512 a9ed4db26bde7a085678ad15fb01e6be0ff4af0c8ffc5f6cdde99d9141b01e6889dbe2f172ae1723f479e0c75488eee6a7a6e79a7529c4dbb95381a80a1c6e48
SSDEEP 6144:kQRH9N46wAVQKNY+mPAJXS7qgkhDV4PZOPU76QgKbTAaZQY9V1B63KF5ULc0rUB:kQRdNva+mPAkjk4RsH/LLKAo0QB
MD5 SHA1 SHA512 SSDEEP

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memory/1408-1419-0x0000000000390000-0x00000000003B3000-memory.dmp

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memory/1408-1418-0x000007FEF67A0000-0x000007FEF68AE000-memory.dmp

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memory/1408-1420-0x0000000000390000-0x00000000003B3000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads