d2bc98a391a69702a17caa0d357785ee3992415c1b5916ca18945021633a8522

General

Target

NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe
Size

3.7MB
MD5

48ae509398be100ecad1bb9a7a7e04a0
SHA1

1abff718574bc27c60313fac52edec8d8bec2eae
SHA256

d2bc98a391a69702a17caa0d357785ee3992415c1b5916ca18945021633a8522
SHA512

88988d59dd2a4d065b3189033e9eb831681436ec89bca50eb10b6d4ad2128aecbb7c76fb1f36e086e6dd8f4b780a0456ecd3425fff05d67848f11da01e145342
SSDEEP

98304:AjXtWHdmxQlhhQNNiujTiptKSl1g4kfGlsXFAXPYHYhQ:mumxQlhhQNNiujTiptKSl1g4kfGlsXF3

Score

10^/10

Malware Config

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/0x00070000000120ca-4.dat	family_berbew
behavioral1/files/0x00070000000120ca-9.dat	family_berbew
behavioral1/files/0x00070000000120ca-13.dat	family_berbew
behavioral1/files/0x00070000000120ca-12.dat	family_berbew
behavioral1/files/0x00070000000120ca-14.dat	family_berbew

Deletes itself 1 IoCs

pid	Process
2896	NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
2896	NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe

Loads dropped DLL 4 IoCs

pid	Process
2352	NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe
2468	WerFault.exe
2468	WerFault.exe
2468	WerFault.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2468	2896	WerFault.exe	29

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2352	NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2896	NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2896	2352	NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe	29
PID 2352 wrote to memory of 2896	2352	NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe	29
PID 2352 wrote to memory of 2896	2352	NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe	29
PID 2352 wrote to memory of 2896	2352	NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe	29
PID 2896 wrote to memory of 2468	2896	NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe	30
PID 2896 wrote to memory of 2468	2896	NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe	30
PID 2896 wrote to memory of 2468	2896	NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe	30
PID 2896 wrote to memory of 2468	2896	NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe	30

C:\Users\Admin\AppData\Local\Temp\NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Users\Admin\AppData\Local\Temp\NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe
  C:\Users\Admin\AppData\Local\Temp\NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 144
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2468

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe

Filesize
3.7MB

MD5
fc50647f665a6a31f3f2857d6c01f57b

SHA1
e34649b6ff14b9aef7757e7f4e2c72baac8925b8

SHA256
70bc280a90e84a0c4a55f8ee7a5461b440cf8cf105c4bc47cbdd57566f6cd402

SHA512
39d17800ac64305d6b198361bb6e3c0f427a73e2e44ab94da00b6eca78c4b7ce2067343a1a0aa67b5d9389d8bd0a2090f56330f5c3750b64c8aac1126060ae32

Download Submit
\Users\Admin\AppData\Local\Temp\NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe

Filesize
3.7MB

MD5
fc50647f665a6a31f3f2857d6c01f57b

SHA1
e34649b6ff14b9aef7757e7f4e2c72baac8925b8

SHA256
70bc280a90e84a0c4a55f8ee7a5461b440cf8cf105c4bc47cbdd57566f6cd402

SHA512
39d17800ac64305d6b198361bb6e3c0f427a73e2e44ab94da00b6eca78c4b7ce2067343a1a0aa67b5d9389d8bd0a2090f56330f5c3750b64c8aac1126060ae32

Download Submit
\Users\Admin\AppData\Local\Temp\NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe

Filesize
3.7MB

MD5
fc50647f665a6a31f3f2857d6c01f57b

SHA1
e34649b6ff14b9aef7757e7f4e2c72baac8925b8

SHA256
70bc280a90e84a0c4a55f8ee7a5461b440cf8cf105c4bc47cbdd57566f6cd402

SHA512
39d17800ac64305d6b198361bb6e3c0f427a73e2e44ab94da00b6eca78c4b7ce2067343a1a0aa67b5d9389d8bd0a2090f56330f5c3750b64c8aac1126060ae32

Download Submit
\Users\Admin\AppData\Local\Temp\NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe

Filesize
3.7MB

MD5
fc50647f665a6a31f3f2857d6c01f57b

SHA1
e34649b6ff14b9aef7757e7f4e2c72baac8925b8

SHA256
70bc280a90e84a0c4a55f8ee7a5461b440cf8cf105c4bc47cbdd57566f6cd402

SHA512
39d17800ac64305d6b198361bb6e3c0f427a73e2e44ab94da00b6eca78c4b7ce2067343a1a0aa67b5d9389d8bd0a2090f56330f5c3750b64c8aac1126060ae32

Download Submit
\Users\Admin\AppData\Local\Temp\NEAS.48ae509398be100ecad1bb9a7a7e04a0_JC.exe

Filesize
3.7MB

MD5
fc50647f665a6a31f3f2857d6c01f57b

SHA1
e34649b6ff14b9aef7757e7f4e2c72baac8925b8

SHA256
70bc280a90e84a0c4a55f8ee7a5461b440cf8cf105c4bc47cbdd57566f6cd402

SHA512
39d17800ac64305d6b198361bb6e3c0f427a73e2e44ab94da00b6eca78c4b7ce2067343a1a0aa67b5d9389d8bd0a2090f56330f5c3750b64c8aac1126060ae32

Download Submit
memory/2352-0-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2352-6-0x0000000002E40000-0x0000000002F28000-memory.dmp

Filesize
928KB

Download
memory/2352-8-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2896-10-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2896-11-0x0000000002F00000-0x0000000002FE8000-memory.dmp

Filesize
928KB

Download
memory/2896-15-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download

Analysis

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