adc3feb1749f9588df1709944c51c378ba2f7674084bf5311a189bbdd0eb7082

Analysis

max time kernel
152s
max time network
122s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
17-11-2023 04:35

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General

Target

NEAS.5896424208b7d73422d34670a7930990.exe
Size

237KB
MD5

5896424208b7d73422d34670a7930990
SHA1

173117585e43c1f4aa81ad4583833699b220089f
SHA256

adc3feb1749f9588df1709944c51c378ba2f7674084bf5311a189bbdd0eb7082
SHA512

0c51d372c375aac1e8deaa2ae13b9e5ac53b0324e464ed07c53396eb5adb69dd29799925d48f4b48d278d27aefd5f36f8f1d51b2ba7c7796485127a260ca2a4d
SSDEEP

1536:9RsvcdCQjosnvnjs6SQ1EVrPdDG/PEzxVJsPcbYDOYrmwd8eCwe5cJ4a:LsKjRvnhSGYB0EzXJsPcEDOHDzF55a

Score

10^/10

dropper persistence trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.tripod.com
Port:
21
Username:
griptoloji
Password:
741852

Signatures

Malware Backdoor - Berbew 5 IoCs

Berbew is a malware infection classified as a 'backdoor' Trojan. This malicious program's primary function is to cause chain infections - it can download/install additional malware such as other Trojans, ransomware, and cryptominers.

persistence dropper trojan

resource	yara_rule
behavioral1/files/0x0031000000015ea9-5.dat	family_berbew
behavioral1/files/0x0031000000015ea9-9.dat	family_berbew
behavioral1/files/0x0031000000015ea9-8.dat	family_berbew
behavioral1/files/0x0031000000015ea9-14.dat	family_berbew
behavioral1/files/0x0031000000015ea9-16.dat	family_berbew

Executes dropped EXE 1 IoCs

pid	Process
2840	jusched.exe

Loads dropped DLL 2 IoCs

pid	Process
2216	NEAS.5896424208b7d73422d34670a7930990.exe
2216	NEAS.5896424208b7d73422d34670a7930990.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Java\jre-09\bin\jusched.exe	NEAS.5896424208b7d73422d34670a7930990.exe
File created	C:\Program Files (x86)\Java\jre-09\bin\UF	NEAS.5896424208b7d73422d34670a7930990.exe
File created	C:\Program Files (x86)\Java\jre-09\bin\jusched.exe	NEAS.5896424208b7d73422d34670a7930990.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe
2840	jusched.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2840	2216	NEAS.5896424208b7d73422d34670a7930990.exe	28
PID 2216 wrote to memory of 2840	2216	NEAS.5896424208b7d73422d34670a7930990.exe	28
PID 2216 wrote to memory of 2840	2216	NEAS.5896424208b7d73422d34670a7930990.exe	28
PID 2216 wrote to memory of 2840	2216	NEAS.5896424208b7d73422d34670a7930990.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.5896424208b7d73422d34670a7930990.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.5896424208b7d73422d34670a7930990.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Program Files (x86)\Java\jre-09\bin\jusched.exe
  "C:\Program Files (x86)\Java\jre-09\bin\jusched.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:2840

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

Replay Monitor

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Downloads

C:\Program Files (x86)\Java\jre-09\bin\jusched.exe

Filesize
237KB

MD5
a97ef69c400bbd440e42e80c80479d5a

SHA1
c0e05b860e69b2c47bdef7679ce2185c00d8e527

SHA256
d4eb17f78add76247358e9ab5fe421923b8facdd5ab4d75a401e2fe618710fb1

SHA512
f3d153418a79d40cc486a63b166d2b8582b40bd47988ce29082b03578903f47ae733b4ab1887c452aec368672cd7c52506a51069548ab736ef2b7a3342dc0589

Download Submit
C:\Program Files (x86)\Java\jre-09\bin\jusched.exe

Filesize
237KB

MD5
a97ef69c400bbd440e42e80c80479d5a

SHA1
c0e05b860e69b2c47bdef7679ce2185c00d8e527

SHA256
d4eb17f78add76247358e9ab5fe421923b8facdd5ab4d75a401e2fe618710fb1

SHA512
f3d153418a79d40cc486a63b166d2b8582b40bd47988ce29082b03578903f47ae733b4ab1887c452aec368672cd7c52506a51069548ab736ef2b7a3342dc0589

Download Submit
C:\Program Files (x86)\Java\jre-09\bin\jusched.exe

Filesize
237KB

MD5
a97ef69c400bbd440e42e80c80479d5a

SHA1
c0e05b860e69b2c47bdef7679ce2185c00d8e527

SHA256
d4eb17f78add76247358e9ab5fe421923b8facdd5ab4d75a401e2fe618710fb1

SHA512
f3d153418a79d40cc486a63b166d2b8582b40bd47988ce29082b03578903f47ae733b4ab1887c452aec368672cd7c52506a51069548ab736ef2b7a3342dc0589

Download Submit
\Program Files (x86)\Java\jre-09\bin\jusched.exe

Filesize
237KB

MD5
a97ef69c400bbd440e42e80c80479d5a

SHA1
c0e05b860e69b2c47bdef7679ce2185c00d8e527

SHA256
d4eb17f78add76247358e9ab5fe421923b8facdd5ab4d75a401e2fe618710fb1

SHA512
f3d153418a79d40cc486a63b166d2b8582b40bd47988ce29082b03578903f47ae733b4ab1887c452aec368672cd7c52506a51069548ab736ef2b7a3342dc0589

Download Submit
\Program Files (x86)\Java\jre-09\bin\jusched.exe

Filesize
237KB

MD5
a97ef69c400bbd440e42e80c80479d5a

SHA1
c0e05b860e69b2c47bdef7679ce2185c00d8e527

SHA256
d4eb17f78add76247358e9ab5fe421923b8facdd5ab4d75a401e2fe618710fb1

SHA512
f3d153418a79d40cc486a63b166d2b8582b40bd47988ce29082b03578903f47ae733b4ab1887c452aec368672cd7c52506a51069548ab736ef2b7a3342dc0589

Download Submit
memory/2216-0-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2216-7-0x0000000004780000-0x00000000047CF000-memory.dmp

Filesize
316KB

Download
memory/2216-13-0x0000000004780000-0x00000000047CF000-memory.dmp

Filesize
316KB

Download
memory/2216-12-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2840-15-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download