33f96e1fe0bbf69004649e12a119af872c0d8bbcfd7a4af310216bdfcf2fc18b

General

Target

NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe
Size

991KB
MD5

ab1241c98a10c7e1432d824222a94f70
SHA1

d36e2417d05487cf911c5d7cfbcb363951311963
SHA256

33f96e1fe0bbf69004649e12a119af872c0d8bbcfd7a4af310216bdfcf2fc18b
SHA512

a5d11029e9e9f8b85559f23417edef3e27712339ba468c085f8d6db091d42e8c7263e654fc57097cd5402735c5b224a0631ef6eda19394383696e2a5f40ae701
SSDEEP

24576:m4yVOhC+4OAz6hCy0rq2Znkw+a/ZSMQugi8ndZ5G:m4yVOpXA+wZnwg1Qugi8ndZ5G

Score

10^/10

Malware Config

Signatures

Malware Backdoor - Berbew 7 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/memory/2124-0-0x0000000000400000-0x00000000004F5000-memory.dmp	family_berbew
behavioral1/files/0x00070000000120ca-4.dat	family_berbew
behavioral1/memory/2124-6-0x0000000003120000-0x0000000003215000-memory.dmp	family_berbew
behavioral1/memory/2124-8-0x0000000000400000-0x00000000004F5000-memory.dmp	family_berbew
behavioral1/files/0x00070000000120ca-9.dat	family_berbew
behavioral1/memory/2912-10-0x0000000000400000-0x00000000004F5000-memory.dmp	family_berbew
behavioral1/memory/2912-12-0x0000000002E70000-0x0000000002F65000-memory.dmp	family_berbew

Deletes itself 1 IoCs

pid	Process
2912	NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
2912	NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe

Loads dropped DLL 1 IoCs

pid	Process
2124	NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2912	NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2124	NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2912	NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2912	2124	NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe	29
PID 2124 wrote to memory of 2912	2124	NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe	29
PID 2124 wrote to memory of 2912	2124	NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe	29
PID 2124 wrote to memory of 2912	2124	NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe	29

C:\Users\Admin\AppData\Local\Temp\NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe
  C:\Users\Admin\AppData\Local\Temp\NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of UnmapMainImage
  PID:2912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabA508.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe

Filesize
991KB

MD5
01df6aef05cb13739741c8409bc9a65d

SHA1
06bfdd13d760d548c25f85513173cb8fbd0f008c

SHA256
11269ffb60a4a875cabb90af718d610cefadf44bd8bff92f54fd7ae3595a5d22

SHA512
6be9f46246827850111394b1c054167d5ccc6aeb7c6ce2c5d878486d70f57ff3b4dedb2648c7e7a54e2540d278fdce0a8f7b58152d529564b94f4783d88ef0d7

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA588.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit
\Users\Admin\AppData\Local\Temp\NEAS.ab1241c98a10c7e1432d824222a94f70_JC.exe

Filesize
991KB

MD5
01df6aef05cb13739741c8409bc9a65d

SHA1
06bfdd13d760d548c25f85513173cb8fbd0f008c

SHA256
11269ffb60a4a875cabb90af718d610cefadf44bd8bff92f54fd7ae3595a5d22

SHA512
6be9f46246827850111394b1c054167d5ccc6aeb7c6ce2c5d878486d70f57ff3b4dedb2648c7e7a54e2540d278fdce0a8f7b58152d529564b94f4783d88ef0d7

Download Submit
memory/2124-8-0x0000000000400000-0x00000000004F5000-memory.dmp

Filesize
980KB

Download
memory/2124-0-0x0000000000400000-0x00000000004F5000-memory.dmp

Filesize
980KB

Download
memory/2124-6-0x0000000003120000-0x0000000003215000-memory.dmp

Filesize
980KB

Download
memory/2912-10-0x0000000000400000-0x00000000004F5000-memory.dmp

Filesize
980KB

Download
memory/2912-11-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/2912-12-0x0000000002E70000-0x0000000002F65000-memory.dmp

Filesize
980KB

Download
memory/2912-65-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2912-66-0x000000000F020000-0x000000000F0C3000-memory.dmp

Filesize
652KB

Download
memory/2912-72-0x0000000000400000-0x00000000004F5000-memory.dmp

Filesize
980KB

Download

Analysis

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