diamondfox | b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4

Analysis

max time kernel
92s
max time network
97s
platform
windows7_x64
resource
win7v20201028
submitted
06-04-2021 13:45

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General

Target

b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4.bin.exe
Size

190KB
MD5

2bc219ed6654653e817a2960ac924a7e
SHA1

c547d9c8ea50473b72c0b85672cf32ca5e9558b8
SHA256

b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4
SHA512

6edebb8ed8bae2f50b64f903b52f82385daca9a9f1b2e87b57deabe3e8da593f9aed1903c86fe8fc443e86f7645428f89a38e78e9e1d26da6d8af05594ed2752

Score

10^/10

diamondfox botnet stealer

Malware Config

Signatures

DiamondFox
DiamondFox is a multipurpose botnet with many capabilities.
botnet stealer diamondfox

DiamondFox payload 2 IoCs

Detects DiamondFox payload in file/memory.

Processes:

resource	yara_rule
behavioral1/memory/1036-7-0x0000000000020000-0x0000000000038000-memory.dmp	diamondfox
behavioral1/memory/1036-8-0x0000000000400000-0x000000000041A000-memory.dmp	diamondfox

Executes dropped EXE 1 IoCs

Processes:

SearchIndexer.exe

pid process

1620 SearchIndexer.exe
Drops startup file 1 IoCs

Processes:

powershell.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SearchIndexer.lnk powershell.exe
Loads dropped DLL 3 IoCs

Processes:

powershell.exepowershell.exe

pid process

1784 powershell.exe
1784 powershell.exe
1952 powershell.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exePowershell.exe

pid process

1784 powershell.exe
1784 powershell.exe
1952 powershell.exe
1952 powershell.exe
2024 Powershell.exe
2024 Powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exePowershell.exe

description pid process

Token: SeDebugPrivilege 1784 powershell.exe
Token: SeDebugPrivilege 1952 powershell.exe
Token: SeDebugPrivilege 2024 Powershell.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4.bin.exeSearchIndexer.exe

pid process

1036 b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4.bin.exe
1620 SearchIndexer.exe

pid	process
1620	SearchIndexer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SearchIndexer.lnk	powershell.exe

pid	process
1784	powershell.exe
1784	powershell.exe
1952	powershell.exe

pid	process
1784	powershell.exe
1784	powershell.exe
1952	powershell.exe
1952	powershell.exe
2024	Powershell.exe
2024	Powershell.exe

description	pid	process
Token: SeDebugPrivilege	1784	powershell.exe
Token: SeDebugPrivilege	1952	powershell.exe
Token: SeDebugPrivilege	2024	Powershell.exe

pid	process
1036	b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4.bin.exe
1620	SearchIndexer.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4.bin.exepowershell.exeSearchIndexer.exe

description	pid	process	target process
PID 1036 wrote to memory of 1784	1036	b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4.bin.exe	powershell.exe
PID 1036 wrote to memory of 1784	1036	b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4.bin.exe	powershell.exe
PID 1036 wrote to memory of 1784	1036	b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4.bin.exe	powershell.exe
PID 1036 wrote to memory of 1784	1036	b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4.bin.exe	powershell.exe
PID 1784 wrote to memory of 1620	1784	powershell.exe	SearchIndexer.exe
PID 1784 wrote to memory of 1620	1784	powershell.exe	SearchIndexer.exe
PID 1784 wrote to memory of 1620	1784	powershell.exe	SearchIndexer.exe
PID 1784 wrote to memory of 1620	1784	powershell.exe	SearchIndexer.exe
PID 1620 wrote to memory of 1952	1620	SearchIndexer.exe	powershell.exe
PID 1620 wrote to memory of 1952	1620	SearchIndexer.exe	powershell.exe
PID 1620 wrote to memory of 1952	1620	SearchIndexer.exe	powershell.exe
PID 1620 wrote to memory of 1952	1620	SearchIndexer.exe	powershell.exe
PID 1620 wrote to memory of 2024	1620	SearchIndexer.exe	Powershell.exe
PID 1620 wrote to memory of 2024	1620	SearchIndexer.exe	Powershell.exe
PID 1620 wrote to memory of 2024	1620	SearchIndexer.exe	Powershell.exe
PID 1620 wrote to memory of 2024	1620	SearchIndexer.exe	Powershell.exe

C:\Users\Admin\AppData\Local\Temp\b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4.bin.exe
"C:\Users\Admin\AppData\Local\Temp\b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4.bin.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1036

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell Copy-Item -Path 'C:\Users\Admin\AppData\Local\Temp\b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4.bin.exe' -Destination 'C:\Users\Admin\AppData\Local\InSecharex\SearchIndexer.exe';Start-Sleep -s 60;Start-Process 'C:\Users\Admin\AppData\Local\InSecharex\SearchIndexer.exe'
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1784

C:\Users\Admin\AppData\Local\InSecharex\SearchIndexer.exe
"C:\Users\Admin\AppData\Local\InSecharex\SearchIndexer.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1620

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell $shell = New-Object -ComObject WScript.Shell;$shortcut = $shell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SearchIndexer.lnk');$shortcut.TargetPath = 'C:\Users\Admin\AppData\Local\InSecharex\SearchIndexer.exe';$shortcut.Save()
4⤵
- Drops startup file
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1952

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
Powershell Set-MpPreference -DisableRealtimeMonitoring 1
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2024

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\InSecharex\SearchIndexer.exe
MD5
2bc219ed6654653e817a2960ac924a7e

SHA1
c547d9c8ea50473b72c0b85672cf32ca5e9558b8

SHA256
b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4

SHA512
6edebb8ed8bae2f50b64f903b52f82385daca9a9f1b2e87b57deabe3e8da593f9aed1903c86fe8fc443e86f7645428f89a38e78e9e1d26da6d8af05594ed2752

Download Submit
C:\Users\Admin\AppData\Local\InSecharex\SearchIndexer.exe
MD5
2bc219ed6654653e817a2960ac924a7e

SHA1
c547d9c8ea50473b72c0b85672cf32ca5e9558b8

SHA256
b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4

SHA512
6edebb8ed8bae2f50b64f903b52f82385daca9a9f1b2e87b57deabe3e8da593f9aed1903c86fe8fc443e86f7645428f89a38e78e9e1d26da6d8af05594ed2752

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_03bfaf74-c48a-406b-812c-2684df821d22
MD5
597009ea0430a463753e0f5b1d1a249e

SHA1
4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

SHA256
3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

SHA512
5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1b0b2f5a-4fa9-4284-9780-9a1da7b14a47
MD5
02ff38ac870de39782aeee04d7b48231

SHA1
0390d39fa216c9b0ecdb38238304e518fb2b5095

SHA256
fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

SHA512
24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_85c7c16f-de6b-4cda-bf8a-ede9c5910d3d
MD5
df44874327d79bd75e4264cb8dc01811

SHA1
1396b06debed65ea93c24998d244edebd3c0209d

SHA256
55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

SHA512
95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_a02197da-f9c8-43e6-9ff1-846e01d2d404
MD5
75a8da7754349b38d64c87c938545b1b

SHA1
5c28c257d51f1c1587e29164cc03ea880c21b417

SHA256
bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

SHA512
798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b771b377-145f-49e9-bf64-45e69646f7b9
MD5
5e3c7184a75d42dda1a83606a45001d8

SHA1
94ca15637721d88f30eb4b6220b805c5be0360ed

SHA256
8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

SHA512
fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_c356f451-13b2-41fc-8d4c-54a293efa6e1
MD5
b6d38f250ccc9003dd70efd3b778117f

SHA1
d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

SHA256
4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

SHA512
67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_ce569c42-07bf-442e-b377-8e9695c9383c
MD5
be4d72095faf84233ac17b94744f7084

SHA1
cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

SHA256
b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

SHA512
43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_dadf780e-0f00-49bb-86e1-35585efd8a97
MD5
a725bb9fafcf91f3c6b7861a2bde6db2

SHA1
8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

SHA256
51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

SHA512
1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
5750d462db1c1ab9b118ff0b18912dad

SHA1
758cb5968908090e11a6e5c6fa397603fd8c2353

SHA256
d1bd5629b932b3470ac022608d2853559b50cb5a2dccfbf4dc3bc886b6c87dba

SHA512
47d49673d68da6e72e48d6b3b76bc59c9fe78f43560159364ebd7728460c728d450ec98aefa77e0d5c6d2826ad0fef8e6706315db9688d758deb9f5beabac29a

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD5
e182796bf6c5157407ac885ee9760d44

SHA1
7f63809aae41ac73d709cada9741cd392db07ff2

SHA256
d7cdd1318ec96b966bd85ce586ff26eb4b0d9c5c227d9c80e2d8ef633a50ff21

SHA512
af36e460eb278db1ae5e246801d47341ff9f63a1597628f80f81aac82d8f67beee024cb5eef58f93e3639eb315e0b7096cfd2f86553c3947fdecd2945db0ab57

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD5
d72c6e9fd8d6f285a29208e6fefd341b

SHA1
bedd89b3ed7c668c7231912841a8009add61db82

SHA256
f4c144b0dbb31a62686cd829c284cb08efcd18acd1b0b094591623829d0a0a74

SHA512
0d01c747321313fc64a4b92265fb96f7492a2bdd56909c34e82ba4cb8c38315168212105b7d310f0536ba5817b869d2aac36c3f8697d2cb0c0f32ab9c679c614

Download Submit
\Users\Admin\AppData\Local\InSecharex\SearchIndexer.exe
MD5
2bc219ed6654653e817a2960ac924a7e

SHA1
c547d9c8ea50473b72c0b85672cf32ca5e9558b8

SHA256
b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4

SHA512
6edebb8ed8bae2f50b64f903b52f82385daca9a9f1b2e87b57deabe3e8da593f9aed1903c86fe8fc443e86f7645428f89a38e78e9e1d26da6d8af05594ed2752

Download Submit
\Users\Admin\AppData\Local\InSecharex\SearchIndexer.exe
MD5
2bc219ed6654653e817a2960ac924a7e

SHA1
c547d9c8ea50473b72c0b85672cf32ca5e9558b8

SHA256
b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4

SHA512
6edebb8ed8bae2f50b64f903b52f82385daca9a9f1b2e87b57deabe3e8da593f9aed1903c86fe8fc443e86f7645428f89a38e78e9e1d26da6d8af05594ed2752

Download Submit
\Users\Admin\AppData\Local\InSecharex\SearchIndexer.exe
MD5
2bc219ed6654653e817a2960ac924a7e

SHA1
c547d9c8ea50473b72c0b85672cf32ca5e9558b8

SHA256
b526619f97cfcfb709fb1684d01e82b6511bb9e2eab52570f39b7498dccbedf4

SHA512
6edebb8ed8bae2f50b64f903b52f82385daca9a9f1b2e87b57deabe3e8da593f9aed1903c86fe8fc443e86f7645428f89a38e78e9e1d26da6d8af05594ed2752

Download Submit
memory/1036-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1036-7-0x0000000000020000-0x0000000000038000-memory.dmp

Filesize
96KB

Download
memory/1036-2-0x0000000003230000-0x0000000003241000-memory.dmp

Filesize
68KB

Download
memory/1036-4-0x0000000000400000-0x0000000002FA5000-memory.dmp

Filesize
43.6MB

Download
memory/1036-3-0x0000000000220000-0x000000000024C000-memory.dmp

Filesize
176KB

Download
memory/1620-41-0x0000000003130000-0x0000000003141000-memory.dmp

Filesize
68KB

Download
memory/1620-39-0x0000000000000000-mapping.dmp

Download
memory/1784-26-0x00000000060D0000-0x00000000060D1000-memory.dmp

Filesize
4KB

Download
memory/1784-17-0x0000000002520000-0x0000000002521000-memory.dmp

Filesize
4KB

Download
memory/1784-10-0x0000000000000000-mapping.dmp

Download
memory/1784-35-0x0000000006280000-0x0000000006281000-memory.dmp

Filesize
4KB

Download
memory/1784-11-0x00000000760F1000-0x00000000760F3000-memory.dmp

Filesize
8KB

Download
memory/1784-12-0x0000000074570000-0x0000000074C5E000-memory.dmp

Filesize
6.9MB

Download
memory/1784-13-0x0000000001E70000-0x0000000001E71000-memory.dmp

Filesize
4KB

Download
memory/1784-14-0x0000000004760000-0x0000000004761000-memory.dmp

Filesize
4KB

Download
memory/1784-15-0x0000000002600000-0x0000000002601000-memory.dmp

Filesize
4KB

Download
memory/1784-16-0x0000000002602000-0x0000000002603000-memory.dmp

Filesize
4KB

Download
memory/1784-36-0x00000000062D0000-0x00000000062D1000-memory.dmp

Filesize
4KB

Download
memory/1784-28-0x00000000061F0000-0x00000000061F1000-memory.dmp

Filesize
4KB

Download
memory/1784-27-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/1784-21-0x0000000006090000-0x0000000006091000-memory.dmp

Filesize
4KB

Download
memory/1784-18-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/1952-59-0x0000000004920000-0x0000000004921000-memory.dmp

Filesize
4KB

Download
memory/1952-50-0x0000000000000000-mapping.dmp

Download
memory/1952-56-0x0000000004A00000-0x0000000004A01000-memory.dmp

Filesize
4KB

Download
memory/1952-57-0x0000000004A02000-0x0000000004A03000-memory.dmp

Filesize
4KB

Download
memory/1952-55-0x0000000004A40000-0x0000000004A41000-memory.dmp

Filesize
4KB

Download
memory/1952-69-0x00000000062D0000-0x00000000062D1000-memory.dmp

Filesize
4KB

Download
memory/1952-54-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/1952-53-0x00000000741D0000-0x00000000748BE000-memory.dmp

Filesize
6.9MB

Download
memory/1952-58-0x0000000002600000-0x0000000002601000-memory.dmp

Filesize
4KB

Download
memory/2024-77-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

Filesize
4KB

Download
memory/2024-75-0x0000000073860000-0x0000000073F4E000-memory.dmp

Filesize
6.9MB

Download
memory/2024-72-0x0000000000000000-mapping.dmp

Download
memory/2024-76-0x0000000001E90000-0x0000000001E91000-memory.dmp

Filesize
4KB

Download
memory/2024-78-0x0000000002610000-0x0000000002611000-memory.dmp

Filesize
4KB

Download
memory/2024-79-0x0000000004A80000-0x0000000004A81000-memory.dmp

Filesize
4KB

Download
memory/2024-80-0x0000000004A82000-0x0000000004A83000-memory.dmp

Filesize
4KB

Download
memory/2024-81-0x0000000004890000-0x0000000004891000-memory.dmp

Filesize
4KB

Download
memory/2024-82-0x00000000056F0000-0x00000000056F1000-memory.dmp

Filesize
4KB

Download
memory/2024-85-0x0000000005750000-0x0000000005751000-memory.dmp

Filesize
4KB

Download
memory/2024-97-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/2024-98-0x0000000006280000-0x0000000006281000-memory.dmp

Filesize
4KB

Download
memory/2024-99-0x0000000006290000-0x0000000006291000-memory.dmp

Filesize
4KB

Download