b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143

Analysis

max time kernel
107s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-09-2024 16:21

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General

Target

b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe
Size

1.1MB
MD5

1680e694bacbeb6e8f51761a0e8b5770
SHA1

1c52dd742d36a9166d12233dac57becd0543d406
SHA256

b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143
SHA512

bf15e6626d7d6eaf29b61ee93bcab9251cb9ce6ef44d45455a202c02dbcb3ae6cfdcb189a0ad8295fb972efce62906e9aa5388023e5dbb31ade8f2ea74dd016a
SSDEEP

24576:ohntGx9yVf41ob4s6ABttGZOATIZXTnR1l:QtGZ1oEEbG8xXjl

Score

9^/10

collection discovery persistence

Malware Config

Signatures

Detected Nirsoft tools 13 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral1/memory/748-202-0x0000000000080000-0x0000000000104000-memory.dmp	Nirsoft
behavioral1/memory/748-204-0x0000000000080000-0x0000000000104000-memory.dmp	Nirsoft
behavioral1/memory/748-203-0x0000000000080000-0x0000000000104000-memory.dmp	Nirsoft
behavioral1/memory/748-206-0x0000000000080000-0x0000000000104000-memory.dmp	Nirsoft
behavioral1/memory/748-213-0x0000000000080000-0x0000000000104000-memory.dmp	Nirsoft
behavioral1/memory/748-210-0x0000000000080000-0x0000000000104000-memory.dmp	Nirsoft
behavioral1/memory/2120-217-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2120-218-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/392-254-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral1/memory/392-255-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral1/memory/2120-256-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2120-258-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/392-264-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft

NirSoft MailPassView 10 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/748-202-0x0000000000080000-0x0000000000104000-memory.dmp	MailPassView
behavioral1/memory/748-204-0x0000000000080000-0x0000000000104000-memory.dmp	MailPassView
behavioral1/memory/748-203-0x0000000000080000-0x0000000000104000-memory.dmp	MailPassView
behavioral1/memory/748-206-0x0000000000080000-0x0000000000104000-memory.dmp	MailPassView
behavioral1/memory/748-213-0x0000000000080000-0x0000000000104000-memory.dmp	MailPassView
behavioral1/memory/748-210-0x0000000000080000-0x0000000000104000-memory.dmp	MailPassView
behavioral1/memory/2120-217-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/2120-218-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/2120-256-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/2120-258-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 9 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/748-202-0x0000000000080000-0x0000000000104000-memory.dmp	WebBrowserPassView
behavioral1/memory/748-204-0x0000000000080000-0x0000000000104000-memory.dmp	WebBrowserPassView
behavioral1/memory/748-203-0x0000000000080000-0x0000000000104000-memory.dmp	WebBrowserPassView
behavioral1/memory/748-206-0x0000000000080000-0x0000000000104000-memory.dmp	WebBrowserPassView
behavioral1/memory/748-213-0x0000000000080000-0x0000000000104000-memory.dmp	WebBrowserPassView
behavioral1/memory/748-210-0x0000000000080000-0x0000000000104000-memory.dmp	WebBrowserPassView
behavioral1/memory/392-254-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral1/memory/392-255-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral1/memory/392-264-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView

Executes dropped EXE 2 IoCs

pid	Process
2204	magert.exe
748	magert.exe

Loads dropped DLL 1 IoCs

pid	Process
2236	b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\Music\\magert.exe"	b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
10	whatismyipaddress.com
12	whatismyipaddress.com
13	whatismyipaddress.com

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2204 set thread context of 748	2204	magert.exe	31
PID 748 set thread context of 2120	748	magert.exe	33
PID 748 set thread context of 392	748	magert.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	magert.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	magert.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
2236	b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe
2236	b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe
2236	b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe
2236	b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe
2236	b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe
2236	b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe
2204	magert.exe
2204	magert.exe
2204	magert.exe
2204	magert.exe
2204	magert.exe
2204	magert.exe
392	vbc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2236	b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe
Token: SeDebugPrivilege	2204	magert.exe
Token: SeDebugPrivilege	748	magert.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
748	magert.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2204	2236	b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe	30
PID 2236 wrote to memory of 2204	2236	b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe	30
PID 2236 wrote to memory of 2204	2236	b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe	30
PID 2236 wrote to memory of 2204	2236	b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe	30
PID 2204 wrote to memory of 748	2204	magert.exe	31
PID 2204 wrote to memory of 748	2204	magert.exe	31
PID 2204 wrote to memory of 748	2204	magert.exe	31
PID 2204 wrote to memory of 748	2204	magert.exe	31
PID 2204 wrote to memory of 748	2204	magert.exe	31
PID 2204 wrote to memory of 748	2204	magert.exe	31
PID 2204 wrote to memory of 748	2204	magert.exe	31
PID 2204 wrote to memory of 748	2204	magert.exe	31
PID 2204 wrote to memory of 748	2204	magert.exe	31
PID 748 wrote to memory of 2120	748	magert.exe	33
PID 748 wrote to memory of 2120	748	magert.exe	33
PID 748 wrote to memory of 2120	748	magert.exe	33
PID 748 wrote to memory of 2120	748	magert.exe	33
PID 748 wrote to memory of 2120	748	magert.exe	33
PID 748 wrote to memory of 2120	748	magert.exe	33
PID 748 wrote to memory of 2120	748	magert.exe	33
PID 748 wrote to memory of 2120	748	magert.exe	33
PID 748 wrote to memory of 2120	748	magert.exe	33
PID 748 wrote to memory of 2120	748	magert.exe	33
PID 748 wrote to memory of 392	748	magert.exe	34
PID 748 wrote to memory of 392	748	magert.exe	34
PID 748 wrote to memory of 392	748	magert.exe	34
PID 748 wrote to memory of 392	748	magert.exe	34
PID 748 wrote to memory of 392	748	magert.exe	34
PID 748 wrote to memory of 392	748	magert.exe	34
PID 748 wrote to memory of 392	748	magert.exe	34
PID 748 wrote to memory of 392	748	magert.exe	34
PID 748 wrote to memory of 392	748	magert.exe	34
PID 748 wrote to memory of 392	748	magert.exe	34

C:\Users\Admin\AppData\Local\Temp\b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe
"C:\Users\Admin\AppData\Local\Temp\b38669df260f50b4f3969ab6a63c59a75e7c968f5081225e4d9ecb9135fa8143N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Users\Admin\Music\magert.exe
  "C:\Users\Admin\Music\magert.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2204
- - C:\Users\Admin\Music\magert.exe
    "C:\Users\Admin\Music\magert.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:748
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
      4⤵
      Accesses Microsoft Outlook accounts
      System Location Discovery: System Language Discovery
      PID:2120
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
e432d8806483b0429b09e3e34a29eb36

SHA1
783e28684b925594c50702e77442703ac6623189

SHA256
ae023a35ca4761bf4ac3bf1b32c680ee6ce6b84954cef095c49b4b7c703409f4

SHA512
ea6023582dda878bb80eb9829f0344ce936d5d682b33a3deb13ec390c85db855a5b59196c586d23438876694cbd345f5e81f26be4ddbcb4116e57913fe5f6b8c

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
9a55b2cf06757ace3cc216ace562d2bb

SHA1
b1cf42506a35f7a2913bc351f2bf123ba16c81e1

SHA256
a666424b71ddb7f9515ab418225e4b5099cd86721f6c2be2090a4a679ec74e91

SHA512
c58d8e453e6cfe9d49b4cae4bb977b13bc526091af3031940a2286ba0ccc5267e8ed7b0a779f98f4aeb0a1b3ef533988018045dbad7d695cdeb7bf2a82f65967

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab801A.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar805C.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\holderwb.txt

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
\Users\Admin\Music\magert.exe

Filesize
1.1MB

MD5
c2da514a1ffdb3adb995e7ee4800f7b1

SHA1
bb3f88f9ee0364122d33a8d496b8672783358c38

SHA256
37453c20cbfd240dabf0eacb8409fd53cb87d3d6bb1e3017b156c3cd92b13c4e

SHA512
81ba92e925e579ae33bba37ab3080526fbb991865ce8e5c55c1574ef5792de49ccd675a05a8fa14be875b0e0216631b06ebc8dbdcd40d10f6896a4da4deea466

Download Submit
memory/392-255-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/392-254-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/392-264-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/748-203-0x0000000000080000-0x0000000000104000-memory.dmp

Filesize
528KB

Download
memory/748-210-0x0000000000080000-0x0000000000104000-memory.dmp

Filesize
528KB

Download
memory/748-213-0x0000000000080000-0x0000000000104000-memory.dmp

Filesize
528KB

Download
memory/748-206-0x0000000000080000-0x0000000000104000-memory.dmp

Filesize
528KB

Download
memory/748-202-0x0000000000080000-0x0000000000104000-memory.dmp

Filesize
528KB

Download
memory/748-204-0x0000000000080000-0x0000000000104000-memory.dmp

Filesize
528KB

Download
memory/2120-256-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2120-258-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2120-218-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2120-217-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2204-200-0x00000000744D0000-0x0000000074A7B000-memory.dmp

Filesize
5.7MB

Download
memory/2204-214-0x00000000744D0000-0x0000000074A7B000-memory.dmp

Filesize
5.7MB

Download
memory/2204-199-0x00000000744D0000-0x0000000074A7B000-memory.dmp

Filesize
5.7MB

Download
memory/2204-198-0x00000000744D0000-0x0000000074A7B000-memory.dmp

Filesize
5.7MB

Download
memory/2204-187-0x00000000744D0000-0x0000000074A7B000-memory.dmp

Filesize
5.7MB

Download
memory/2236-0-0x00000000744D1000-0x00000000744D2000-memory.dmp

Filesize
4KB

Download
memory/2236-186-0x00000000744D0000-0x0000000074A7B000-memory.dmp

Filesize
5.7MB

Download
memory/2236-168-0x00000000744D0000-0x0000000074A7B000-memory.dmp

Filesize
5.7MB

Download
memory/2236-167-0x00000000744D0000-0x0000000074A7B000-memory.dmp

Filesize
5.7MB

Download
memory/2236-166-0x00000000744D0000-0x0000000074A7B000-memory.dmp

Filesize
5.7MB

Download
memory/2236-138-0x00000000744D0000-0x0000000074A7B000-memory.dmp

Filesize
5.7MB

Download
memory/2236-2-0x00000000744D0000-0x0000000074A7B000-memory.dmp

Filesize
5.7MB

Download
memory/2236-1-0x00000000744D0000-0x0000000074A7B000-memory.dmp

Filesize
5.7MB

Download