berbew | 449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8

General

Target
449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8.exe
Size 96KB
Sample260910-s9an7sdf49
SHA256 449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8
MD5 ef59290d4017dbdbe222fb48ffe8915e
SHA1 f5c027e010899c900b31d21a8de33982a01f2fea
SHA512 c8824576051dcac31f1bd03bc41309d719568b3fe6418af28be9cb07b664b02c25acea2391b8d92e249d1dd6eec264482aa4c605d3884dc4f2b608ec17f10154
SSDEEP 1536:l6zXF8CvrJ4PBhDP3596zzBGe9MbinV39+ChnSdFFn7Elz45zFV3zMetM:Ih8k6DP3f6pGAMbqV39ThSdn7Elz45PI
TLSH
T162A33C3F768017B2C18145B226AB5AF6F73B81B4137E89C19264C12D6267E69D33B7CC
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor discovery berbew persistence

Malware Config

Extracted

Family

berbew

C2

http://crutop.nu/index.php
http://devx.nm.ru/index.php
http://ros-neftbank.ru/index.php
http://master-x.com/index.php
http://www.redline.ru/index.php
http://cvv.ru/index.php
http://hackers.lv/index.php
http://fethard.biz/index.php
http://crutop.ru/index.php
http://kaspersky.ru/index.php
http://color-bank.ru/index.php
http://adult-empire.com/index.php
http://virus-list.com/index.php
http://trojan.ru/index.php
http://xware.cjb.net/index.htm
http://konfiskat.org/index.htm
http://parex-bank.ru/index.htm
http://fethard.biz/index.htm
http://ldark.nm.ru/index.htm
http://gaz-prom.ru/index.htm
http://promo.ru/index.htm
http://potleaf.chat.ru/index.htm
http://kadet.ru/index.htm
http://cvv.ru/index.htm
http://crutop.nu/index.htm
http://crutop.ru/index.htm
http://kaspersky.ru/index.htm
http://kidos-bank.ru/index.htm
http://kavkaz.ru/index.htm

Signatures

Family: Berbew
Berbew is a backdoor written in C++.
backdoor berbew

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8.exe

Executes dropped EXE 1 IoCs

pid	Process
4964	Jifecp32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Jifecp32.exe	449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8.exe
File opened for modification	C:\Windows\SysWOW64\Jifecp32.exe	449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8.exe
File created	C:\Windows\SysWOW64\Flmlag32.dll	449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3256	4964	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Jifecp32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Flmlag32.dll"	449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4888 wrote to memory of 4964	4888	449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8.exe	85

C:\Users\Admin\AppData\Local\Temp\449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8.exe
"C:\Users\Admin\AppData\Local\Temp\449958316018d2af38ff3141cee5e654eb72512782fed23fa922111e701865b8.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4888
- C:\Windows\SysWOW64\Jifecp32.exe
  C:\Windows\system32\Jifecp32.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4964
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 400
    3⤵
    - Program crash
    PID:3256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4964 -ip 4964
1⤵
PID:5112

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Jifecp32.exe

Path C:\Windows\SysWOW64\Jifecp32.exe
Size 96KB
SHA256 32e0b82f35a8dc21268f442c1ca23dfe0a18501c911604f4159cdb8baf699310
MD5 c75b18e308b7ea72c268c1eceed8491f
SHA1 608c4733e3405aa38cc666dec3a2dd3ce3335917
SHA512 ec4e83af571ccff6fea9effb43a6b4c24e4c67276450c67f275974df86f8b385212995de8691e3f6b687f16b10742442c8ab7d7bc30996767bcc1caeb60ce58f
SSDEEP 1536:lb1U59vQpEfMJJunVhRiSaWKMPJfw/GzBhe9MbinV39+ChnSdFFn7Elz45zFV3z8:51U5FQ2MPufRiSFVhhAMbqV39ThSdn7M
TLSH
T1A2A38D1BF5742FF1D6CB02B1151BC9F7B31EA0B4236AD0E3241C905D26A7E6C62B71A6
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4888-0-0x0000000000400000-0x0000000000434000-memory.dmp

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memory/4888-10-0x0000000000400000-0x0000000000434000-memory.dmp

Download

memory/4964-8-0x0000000000400000-0x0000000000434000-memory.dmp

Download

memory/4964-9-0x0000000000400000-0x0000000000434000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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