berbew | 5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991

General

Target
5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991.exe
Size 45KB
Sample260908-hr4jfsem2t
SHA256 5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991
MD5 092c36bbc38c2cc19a143352df0e3f63
SHA1 54cf719275f3715a32f1ade4bd1c8980487ad55a
SHA512 9e7721f39a1931b5be01df58eff4ac2db05328b80f662900ab69506b9418d8c0a8c4336a176830d2db6a7d6636dd7b3b512e6ff1e1177f36d5391f8f45fc0e86
SSDEEP 768:WllSi01WLNmVVuUcazEmHiJhd2p+fbobXTn730D/bXTPrnjf73zvLHD/bXTPrnjX:WfSiBNckyajxLQQA/CCdv6uUN
TLSH
T15023399BD273BAC9C05D0732D4AAB3BE715B576DBEC10C8B4B486D64F1C4309B921639
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor discovery berbew persistence

Malware Config

Extracted

Family

berbew

C2

http://tat-neftbank.ru/kkq.php
http://tat-neftbank.ru/wcmd.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 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	Nfhipj32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	Nfhipj32.exe

Executes dropped EXE 2 IoCs

pid	Process
872	Nfhipj32.exe
3700	Nleaha32.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Nleaha32.exe	Nfhipj32.exe
File opened for modification	C:\Windows\SysWOW64\Nleaha32.exe	Nfhipj32.exe
File created	C:\Windows\SysWOW64\Niaekl32.dll	Nfhipj32.exe
File created	C:\Windows\SysWOW64\Nfhipj32.exe	5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991.exe
File opened for modification	C:\Windows\SysWOW64\Nfhipj32.exe	5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991.exe
File created	C:\Windows\SysWOW64\Hohmmncd.dll	5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1016	3700	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 3 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	5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nfhipj32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nleaha32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Hohmmncd.dll"	5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Niaekl32.dll"	Nfhipj32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	Nfhipj32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	Nfhipj32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4184 wrote to memory of 872	4184	5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991.exe	84
PID 872 wrote to memory of 3700	872	Nfhipj32.exe	85

C:\Users\Admin\AppData\Local\Temp\5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991.exe
"C:\Users\Admin\AppData\Local\Temp\5bcbf16ba59abeb995dca57f86088f1e205d747db2533df2c4791a7cdc72d991.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:4184
- C:\Windows\SysWOW64\Nfhipj32.exe
  C:\Windows\system32\Nfhipj32.exe
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:872
- - C:\Windows\SysWOW64\Nleaha32.exe
    C:\Windows\system32\Nleaha32.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3700
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 400
      4⤵
      Program crash
      PID:1016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3700 -ip 3700
1⤵
PID:2844

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

Nfhipj32.exe

Path C:\Windows\SysWOW64\Nfhipj32.exe
Size 45KB
SHA256 46d5cd3fd8ee6c6ee14079f9fa7fd077a8bfede64eee40e4152e4cd933de1d11
MD5 1604831ba1f14285a1f496b72c657801
SHA1 b706148eee5b37cc8a4debe1c8310de2b1084cdf
SHA512 d2813094ba81f0c52af7eb1438c6c561d6c41910655c2f7737770e9517ea8be2cff72b2cdabdbc246160faea060d9ee5e23b0ac1d9172d8cf78c5c57bb205f7f
SSDEEP 768:7G1URnF5V6QxDSHxexy9uksLhG4TZZMh1URJ450f0m4ZHjIf28Zno/1H5Et:nnFLDSoJLTZZQ1Ub4KxsE++u6t
TLSH
T19A2339932C97101DFEDB57393E9D515A9ACC38EA12C3DB8E983122B16267F4E1D32472
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Nleaha32.exe

Path C:\Windows\SysWOW64\Nleaha32.exe
Size 45KB
SHA256 eb542a94a6f39dd45c8ff40627d1d677b40faa3230dff585b954d82c3ee8f936
MD5 0154cc754b6b2649754bbe4f9b9a4b42
SHA1 06fc82a4f104aeb0c2ac1fdd605d65b31be5304a
SHA512 8de0cbb287bbd5cd28af5ed7a7c8723a7b1ea80cd9c1daea8bf3084e2d7f8677426e02b1e7efb87c8ff09503f8e9b5bc0296232715975bfd895fd14008f05617
SSDEEP 768:FVV73DINVgohEk/ZLqdlyOzFDzP+HvRpdjFzZZno/1H5S:F7TmxhRm8OzFDiPRPjF7uM
TLSH
T15E234AC2F987B659C03208FBD0D0E8C154EB851E172A8D7F989847887ED3947DED8AD9
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/872-7-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/872-21-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/3700-15-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/3700-18-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/4184-0-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/4184-22-0x0000000000400000-0x000000000042F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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