26900865ce49ed9f34a58f05cda73d430b1b9ffcebeb62f890babb34aec9282b

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 10:06

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General

Target

15581a1a7ea5556e2bf99d900da6f956.exe
Size

93KB
MD5

15581a1a7ea5556e2bf99d900da6f956
SHA1

eb6fa66083c4091bf07450b74cd836857edc5c42
SHA256

26900865ce49ed9f34a58f05cda73d430b1b9ffcebeb62f890babb34aec9282b
SHA512

37cc097f3761fa5b429b722da96d77cd439f1222e4289e7774908703734a16cc4687fbcd65c2d5c0bcdd2ea16728b14cdda0b0107f4b414f132a3718fab48538
SSDEEP

1536:vwH8Alr3QF/GTqg8HLhobQLAfm5b8HLljs2mwEhstzWrY8p:6rlr39Og8HlKQLAfMmLljJmwEixWrhp

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2528	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2200	espo.exe

Loads dropped DLL 2 IoCs

pid	Process
1860	15581a1a7ea5556e2bf99d900da6f956.exe
1860	15581a1a7ea5556e2bf99d900da6f956.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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\{520C887D-2F8E-A7EE-FA7E-52AE36001158} = "C:\\Users\\Admin\\AppData\\Roaming\\Aqugir\\espo.exe"	espo.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1860 set thread context of 2528	1860	15581a1a7ea5556e2bf99d900da6f956.exe	2

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	15581a1a7ea5556e2bf99d900da6f956.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Privacy	15581a1a7ea5556e2bf99d900da6f956.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe
2200	espo.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1860	15581a1a7ea5556e2bf99d900da6f956.exe
Token: SeSecurityPrivilege	1860	15581a1a7ea5556e2bf99d900da6f956.exe
Token: SeSecurityPrivilege	1860	15581a1a7ea5556e2bf99d900da6f956.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2200	1860	15581a1a7ea5556e2bf99d900da6f956.exe	3
PID 1860 wrote to memory of 2200	1860	15581a1a7ea5556e2bf99d900da6f956.exe	3
PID 1860 wrote to memory of 2200	1860	15581a1a7ea5556e2bf99d900da6f956.exe	3
PID 1860 wrote to memory of 2200	1860	15581a1a7ea5556e2bf99d900da6f956.exe	3
PID 2200 wrote to memory of 1208	2200	espo.exe	12
PID 2200 wrote to memory of 1208	2200	espo.exe	12
PID 2200 wrote to memory of 1208	2200	espo.exe	12
PID 2200 wrote to memory of 1208	2200	espo.exe	12
PID 2200 wrote to memory of 1208	2200	espo.exe	12
PID 2200 wrote to memory of 1320	2200	espo.exe	11
PID 2200 wrote to memory of 1320	2200	espo.exe	11
PID 2200 wrote to memory of 1320	2200	espo.exe	11
PID 2200 wrote to memory of 1320	2200	espo.exe	11
PID 2200 wrote to memory of 1320	2200	espo.exe	11
PID 2200 wrote to memory of 1384	2200	espo.exe	10
PID 2200 wrote to memory of 1384	2200	espo.exe	10
PID 2200 wrote to memory of 1384	2200	espo.exe	10
PID 2200 wrote to memory of 1384	2200	espo.exe	10
PID 2200 wrote to memory of 1384	2200	espo.exe	10
PID 2200 wrote to memory of 1604	2200	espo.exe	8
PID 2200 wrote to memory of 1604	2200	espo.exe	8
PID 2200 wrote to memory of 1604	2200	espo.exe	8
PID 2200 wrote to memory of 1604	2200	espo.exe	8
PID 2200 wrote to memory of 1604	2200	espo.exe	8
PID 2200 wrote to memory of 1860	2200	espo.exe	4
PID 2200 wrote to memory of 1860	2200	espo.exe	4
PID 2200 wrote to memory of 1860	2200	espo.exe	4
PID 2200 wrote to memory of 1860	2200	espo.exe	4
PID 2200 wrote to memory of 1860	2200	espo.exe	4
PID 1860 wrote to memory of 2528	1860	15581a1a7ea5556e2bf99d900da6f956.exe	2
PID 1860 wrote to memory of 2528	1860	15581a1a7ea5556e2bf99d900da6f956.exe	2
PID 1860 wrote to memory of 2528	1860	15581a1a7ea5556e2bf99d900da6f956.exe	2
PID 1860 wrote to memory of 2528	1860	15581a1a7ea5556e2bf99d900da6f956.exe	2
PID 1860 wrote to memory of 2528	1860	15581a1a7ea5556e2bf99d900da6f956.exe	2
PID 1860 wrote to memory of 2528	1860	15581a1a7ea5556e2bf99d900da6f956.exe	2
PID 1860 wrote to memory of 2528	1860	15581a1a7ea5556e2bf99d900da6f956.exe	2
PID 1860 wrote to memory of 2528	1860	15581a1a7ea5556e2bf99d900da6f956.exe	2
PID 1860 wrote to memory of 2528	1860	15581a1a7ea5556e2bf99d900da6f956.exe	2
PID 2200 wrote to memory of 2884	2200	espo.exe	31
PID 2200 wrote to memory of 2884	2200	espo.exe	31
PID 2200 wrote to memory of 2884	2200	espo.exe	31
PID 2200 wrote to memory of 2884	2200	espo.exe	31
PID 2200 wrote to memory of 2884	2200	espo.exe	31
PID 2200 wrote to memory of 1532	2200	espo.exe	34
PID 2200 wrote to memory of 1532	2200	espo.exe	34
PID 2200 wrote to memory of 1532	2200	espo.exe	34
PID 2200 wrote to memory of 1532	2200	espo.exe	34
PID 2200 wrote to memory of 1532	2200	espo.exe	34

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp9518e9c9.bat"
1⤵
- Deletes itself
PID:2528

C:\Users\Admin\AppData\Roaming\Aqugir\espo.exe
"C:\Users\Admin\AppData\Roaming\Aqugir\espo.exe"
1⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2200

C:\Users\Admin\AppData\Local\Temp\15581a1a7ea5556e2bf99d900da6f956.exe
"C:\Users\Admin\AppData\Local\Temp\15581a1a7ea5556e2bf99d900da6f956.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1860

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1604

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1384

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1320

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1208

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:2884

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:1532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9518e9c9.bat

Filesize
243B

MD5
211ff5f6b2278ebfe3443b091696450d

SHA1
ec856268d513e76021561a482b332fe57f6759f1

SHA256
a96681cb807bd6d7495dcb053ad7485de1ea4464ba909910c3c0b222c88dc688

SHA512
dd365d0826b4afc5c14cae7bcb1b08b9fd0da3a650618bce0296393dc0dcd221da9c15041f16358b0425e5e68d3831fa62de385431bbeffaa67e14ab126d264d

Download Submit
C:\Users\Admin\AppData\Roaming\Aqugir\espo.exe

Filesize
93KB

MD5
a584d74e2d6362b9777cd992f4a52f22

SHA1
9182db61060f344ede45b0dfce3a85f4176aa3f1

SHA256
5817cc168e9c476a499686c39815dac65f80f834334fe3ac0ff89f22a2c47ebc

SHA512
3e1e5fe23f329400953c366d660a639baabac099eaefea05c683d4ae0e62b2b5d6c89005f2c299d338474dad04a24fb1e21f5a3e109eaeac2006a42729ecb3d0

Download Submit
C:\Users\Admin\AppData\Roaming\Elgik\diyxa.ybe

Filesize
366B

MD5
3235125a8c86c603db709fbacf7be713

SHA1
ad1bcf5b76d59774ca304049a50010e4dc4f03b7

SHA256
e98c4dc0a73fec281e0fe95de4226d6dd30ced6e925972a56f9d8395d8f22869

SHA512
559bf6f1e2189c6a043ec0fb44e9c42b4bf6c9d5a22780d637280b91432189c442e7e0793fb93a87e5ff20ed2603b62af49b88bda7f5a7f35c9594122f6d6110

Download Submit
memory/1208-10-0x0000000001D20000-0x0000000001D3A000-memory.dmp

Filesize
104KB

Download
memory/1208-11-0x0000000001D20000-0x0000000001D3A000-memory.dmp

Filesize
104KB

Download
memory/1208-12-0x0000000001D20000-0x0000000001D3A000-memory.dmp

Filesize
104KB

Download
memory/1208-13-0x0000000001D20000-0x0000000001D3A000-memory.dmp

Filesize
104KB

Download
memory/1208-14-0x0000000001D20000-0x0000000001D3A000-memory.dmp

Filesize
104KB

Download
memory/1320-18-0x00000000002B0000-0x00000000002CA000-memory.dmp

Filesize
104KB

Download
memory/1320-17-0x00000000002B0000-0x00000000002CA000-memory.dmp

Filesize
104KB

Download
memory/1320-19-0x00000000002B0000-0x00000000002CA000-memory.dmp

Filesize
104KB

Download
memory/1320-20-0x00000000002B0000-0x00000000002CA000-memory.dmp

Filesize
104KB

Download
memory/1384-22-0x00000000025D0000-0x00000000025EA000-memory.dmp

Filesize
104KB

Download
memory/1384-23-0x00000000025D0000-0x00000000025EA000-memory.dmp

Filesize
104KB

Download
memory/1384-24-0x00000000025D0000-0x00000000025EA000-memory.dmp

Filesize
104KB

Download
memory/1384-25-0x00000000025D0000-0x00000000025EA000-memory.dmp

Filesize
104KB

Download
memory/1604-30-0x0000000000160000-0x000000000017A000-memory.dmp

Filesize
104KB

Download
memory/1604-27-0x0000000000160000-0x000000000017A000-memory.dmp

Filesize
104KB

Download
memory/1604-28-0x0000000000160000-0x000000000017A000-memory.dmp

Filesize
104KB

Download
memory/1604-29-0x0000000000160000-0x000000000017A000-memory.dmp

Filesize
104KB

Download
memory/1860-65-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1860-53-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1860-48-0x00000000773A0000-0x00000000773A1000-memory.dmp

Filesize
4KB

Download
memory/1860-46-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1860-44-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1860-42-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1860-40-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1860-38-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1860-37-0x0000000000270000-0x000000000028A000-memory.dmp

Filesize
104KB

Download
memory/1860-36-0x0000000000270000-0x000000000028A000-memory.dmp

Filesize
104KB

Download
memory/1860-35-0x0000000000270000-0x000000000028A000-memory.dmp

Filesize
104KB

Download
memory/1860-34-0x0000000000270000-0x000000000028A000-memory.dmp

Filesize
104KB

Download
memory/1860-33-0x0000000000270000-0x000000000028A000-memory.dmp

Filesize
104KB

Download
memory/1860-32-0x0000000000270000-0x000000000028A000-memory.dmp

Filesize
104KB

Download
memory/1860-51-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1860-49-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1860-55-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1860-57-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1860-59-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1860-61-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1860-63-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1860-71-0x0000000000270000-0x000000000028A000-memory.dmp

Filesize
104KB

Download
memory/1860-67-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1860-69-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2528-114-0x0000000000050000-0x000000000006A000-memory.dmp

Filesize
104KB

Download
memory/2528-75-0x0000000000050000-0x000000000006A000-memory.dmp

Filesize
104KB

Download
memory/2528-77-0x0000000000050000-0x000000000006A000-memory.dmp

Filesize
104KB

Download
memory/2528-78-0x0000000000050000-0x000000000006A000-memory.dmp

Filesize
104KB

Download
memory/2528-79-0x0000000000050000-0x000000000006A000-memory.dmp

Filesize
104KB

Download
memory/2528-80-0x0000000000050000-0x000000000006A000-memory.dmp

Filesize
104KB

Download
memory/2528-84-0x00000000773A0000-0x00000000773A1000-memory.dmp

Filesize
4KB

Download
memory/2528-113-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download