60f3cb1036b9387b46586d4382383b7f332c4a0b34eeb15dbf5e9971a15f5a58

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
07/05/2024, 01:36

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General

Target

479f6814e183c664c1c455483cdbd7e0_NEAS.exe
Size

283KB
MD5

479f6814e183c664c1c455483cdbd7e0
SHA1

c50c256b64938857c8ce48f24b3d22552f70e2d6
SHA256

60f3cb1036b9387b46586d4382383b7f332c4a0b34eeb15dbf5e9971a15f5a58
SHA512

b7e3502ef834115198ee49ab9aa67eacfd93a1b8ab786097bac9f2ea8519f8b2b6cd6b76821952dfb9001e3e13b2e73cb5d1281b812df7c1e27c947372a3c466
SSDEEP

6144:fTX8UhWolZjLypAJybvXKXNcMkZhP7xzFFaWJ2iMIqVC/CWPssZkVRnr5:z8UhVZfy+0bv1MkbP7hFEWtqVVWPssZQ

Score

10^/10

backdoor dropper trojan

Malware Config

Signatures

Malware Dropper & Backdoor - Berbew 1 IoCs

Berbew is a backdoor Trojan malware with capabilities to download and install a range of additional malicious software, such as other Trojans, ransomware, and cryptominers.

backdoor trojan dropper

resource	yara_rule
behavioral2/files/0x000c0000000233f2-5.dat	family_berbew

Deletes itself 1 IoCs

pid	Process
4868	479f6814e183c664c1c455483cdbd7e0_NEAS.exe

Executes dropped EXE 1 IoCs

pid	Process
4868	479f6814e183c664c1c455483cdbd7e0_NEAS.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
940	4380	WerFault.exe	81
1916	4868	WerFault.exe	89

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4380	479f6814e183c664c1c455483cdbd7e0_NEAS.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
4868	479f6814e183c664c1c455483cdbd7e0_NEAS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 4868	4380	479f6814e183c664c1c455483cdbd7e0_NEAS.exe	89
PID 4380 wrote to memory of 4868	4380	479f6814e183c664c1c455483cdbd7e0_NEAS.exe	89
PID 4380 wrote to memory of 4868	4380	479f6814e183c664c1c455483cdbd7e0_NEAS.exe	89

C:\Users\Admin\AppData\Local\Temp\479f6814e183c664c1c455483cdbd7e0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\479f6814e183c664c1c455483cdbd7e0_NEAS.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4380
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 396
  2⤵
  - Program crash
  PID:940
- C:\Users\Admin\AppData\Local\Temp\479f6814e183c664c1c455483cdbd7e0_NEAS.exe
  C:\Users\Admin\AppData\Local\Temp\479f6814e183c664c1c455483cdbd7e0_NEAS.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:4868
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4868 -s 364
    3⤵
    - Program crash
    PID:1916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4380 -ip 4380
1⤵
PID:2760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4868 -ip 4868
1⤵
PID:2308

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\479f6814e183c664c1c455483cdbd7e0_NEAS.exe

Filesize
283KB

MD5
b51c21fe5f15cab85df3a280d9e02ea9

SHA1
7c8af6dc53b007864b30d14cf2d730b6360bb813

SHA256
1fa4dabac98192b82282483d66c65ffed60f57a9efd2fc8beb033adfafcac7c9

SHA512
5eb6dce9add97f5f20364e8914c4dc4478f9780a41cecbbb18022d34e0627cb5021e16eedbf6287af889e63c260f2f1dbaac01d14a35700c972c5b516ead274e

Download Submit
memory/4380-0-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4380-6-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4868-7-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4868-13-0x0000000004D90000-0x0000000004DD1000-memory.dmp

Filesize
260KB

Download
memory/4868-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download