021f3de7a37bd3c9e308f08b37a24e8d565b38af0db869fc3b224c363edbe0df

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
07/11/2023, 01:20

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General

Target
xGBsfZndM6Bi.exe
Size 483KB
Sample231107-bp4ccaba57
SHA256 021f3de7a37bd3c9e308f08b37a24e8d565b38af0db869fc3b224c363edbe0df
MD5 eb29546aff8b06616b7b226986fd7827
SHA1 aa7dc0d6da09820d4f1550c388910c1bb17c103d
SHA512 ab471402b2d4c24089070d5bd9bcc0ba4d99b756196c583ba0d449c5bbe0d6b8ba3a22955647e5eac8141ff7160b2b4633f51e734be3253b197b8ff8d32fae2c
SSDEEP 6144:2/7iPrcL3ArwhBq7Kjsn9iHGXg0lwGS9MNNhdFvPxps9gsAOZZuAXec707ov:2/uPq3AfK496Gw0lwGXN3pvs/ZuN8v
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

collection spyware stealer

Malware Config

Signatures

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/2408-15-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral1/memory/2408-32-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral1/memory/2408-34-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2440-11-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2440-22-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 7 IoCs

resource	yara_rule
behavioral1/memory/2408-15-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral1/memory/2872-14-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2440-11-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2872-17-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2440-22-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2408-32-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral1/memory/2408-34-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	xGBsfZndM6Bi.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 2440	2696	xGBsfZndM6Bi.exe	28
PID 2696 set thread context of 2408	2696	xGBsfZndM6Bi.exe	29
PID 2696 set thread context of 2872	2696	xGBsfZndM6Bi.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2440	xGBsfZndM6Bi.exe
2440	xGBsfZndM6Bi.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2696	xGBsfZndM6Bi.exe
2696	xGBsfZndM6Bi.exe
2696	xGBsfZndM6Bi.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	xGBsfZndM6Bi.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2696	xGBsfZndM6Bi.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2440	2696	xGBsfZndM6Bi.exe	28
PID 2696 wrote to memory of 2440	2696	xGBsfZndM6Bi.exe	28
PID 2696 wrote to memory of 2440	2696	xGBsfZndM6Bi.exe	28
PID 2696 wrote to memory of 2440	2696	xGBsfZndM6Bi.exe	28
PID 2696 wrote to memory of 2408	2696	xGBsfZndM6Bi.exe	29
PID 2696 wrote to memory of 2408	2696	xGBsfZndM6Bi.exe	29
PID 2696 wrote to memory of 2408	2696	xGBsfZndM6Bi.exe	29
PID 2696 wrote to memory of 2408	2696	xGBsfZndM6Bi.exe	29
PID 2696 wrote to memory of 2872	2696	xGBsfZndM6Bi.exe	30
PID 2696 wrote to memory of 2872	2696	xGBsfZndM6Bi.exe	30
PID 2696 wrote to memory of 2872	2696	xGBsfZndM6Bi.exe	30
PID 2696 wrote to memory of 2872	2696	xGBsfZndM6Bi.exe	30

C:\Users\Admin\AppData\Local\Temp\xGBsfZndM6Bi.exe
"C:\Users\Admin\AppData\Local\Temp\xGBsfZndM6Bi.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Users\Admin\AppData\Local\Temp\xGBsfZndM6Bi.exe
  C:\Users\Admin\AppData\Local\Temp\xGBsfZndM6Bi.exe /stext "C:\Users\Admin\AppData\Local\Temp\jfsebfqmatugd"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2440
- C:\Users\Admin\AppData\Local\Temp\xGBsfZndM6Bi.exe
  C:\Users\Admin\AppData\Local\Temp\xGBsfZndM6Bi.exe /stext "C:\Users\Admin\AppData\Local\Temp\tzgwuxbowbmlnhow"
  2⤵
  - Accesses Microsoft Outlook accounts
  PID:2408
- C:\Users\Admin\AppData\Local\Temp\xGBsfZndM6Bi.exe
  C:\Users\Admin\AppData\Local\Temp\xGBsfZndM6Bi.exe /stext "C:\Users\Admin\AppData\Local\Temp\eblhvqmhkjeyqnkaocyx"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

logs.dat

Path C:\ProgramData\Log\logs.dat
Size 144B
SHA256 a1a15d7670a26f808dc61237f90651d53a4e4caa510fdb3812190cf61bb27b3a
MD5 e942fef19cf4b0b5a449377408f3d6cf
SHA1 41aa25d6cfc88381129943453dc320238363020e
SHA512 4d60050e8557c1dbb05f069050060d231be79a01c4e39b8b0e439f678a894fb01282b55e6c9402785460f4d0bd8c4c5856d6ecb5a1d8e90cff07c69a2cee036c
MD5 SHA1 SHA512

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jfsebfqmatugd

Path C:\Users\Admin\AppData\Local\Temp\jfsebfqmatugd
Size 2B
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
MD5 SHA1 SHA512

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memory/2408-12-0x0000000000400000-0x0000000000457000-memory.dmp

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memory/2408-3-0x0000000000400000-0x0000000000457000-memory.dmp

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memory/2408-34-0x0000000000400000-0x0000000000457000-memory.dmp

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memory/2408-15-0x0000000000400000-0x0000000000457000-memory.dmp

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memory/2408-32-0x0000000000400000-0x0000000000457000-memory.dmp

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memory/2440-5-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/2440-4-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/2440-11-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/2440-9-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/2440-1-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/2440-22-0x0000000000400000-0x0000000000478000-memory.dmp

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memory/2696-29-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/2696-26-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/2696-31-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/2696-30-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/2696-33-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/2696-38-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/2872-17-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/2872-14-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/2872-10-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/2872-7-0x0000000000400000-0x0000000000424000-memory.dmp

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