modiloader | 2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339

General

Target

2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe
Size

326KB
MD5

5fb43a35501b051a07773e0f80ffa963
SHA1

81b2790bc760076059bcaa935fad7cc3a54094ed
SHA256

2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339
SHA512

de53735b97dd0c9647c286c362ca683800a5bbcc91e53884b8c8fa7e22422da751bed7c11894521c4633693342127de545ee5d5341e8d25352de275d4ca06fbc
SSDEEP

3072:Ie2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:IsxD5cwohO+O1sVG0/pZ6iPC8

Score

10^/10

modiloader persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

Detects Windows executables referencing non-Windows User-Agents 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4600-47-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/4600-46-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/4600-50-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/4600-54-0x0000000000400000-0x0000000000414000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

ModiLoader Second Stage 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4600-47-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4600-46-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4600-50-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4600-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

UPX dump on OEP (original entry point) 16 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4312-0-0x0000000000400000-0x0000000000454000-memory.dmp	UPX
behavioral2/memory/2444-3-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral2/memory/2444-7-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral2/memory/4312-9-0x0000000000400000-0x0000000000454000-memory.dmp	UPX
behavioral2/memory/2444-8-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	UPX
behavioral2/memory/1840-33-0x0000000000400000-0x0000000000454000-memory.dmp	UPX
behavioral2/memory/4600-47-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/memory/4600-46-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/memory/1840-45-0x0000000000400000-0x0000000000454000-memory.dmp	UPX
behavioral2/memory/4600-44-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/memory/4600-38-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/memory/4600-50-0x0000000000400000-0x0000000000414000-memory.dmp	UPX
behavioral2/memory/2444-51-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral2/memory/3840-53-0x0000000000400000-0x000000000040B000-memory.dmp	UPX
behavioral2/memory/4600-54-0x0000000000400000-0x0000000000414000-memory.dmp	UPX

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid process

1840 csrsll.exe
3840 csrsll.exe
4600 csrsll.exe

pid	process
1840	csrsll.exe
3840	csrsll.exe
4600	csrsll.exe

UPX packed file 16 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4312-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2444-3-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2444-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4312-9-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2444-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe	upx
behavioral2/memory/1840-33-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4600-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4600-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1840-45-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4600-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4600-38-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4600-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2444-51-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3840-53-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4600-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.execsrsll.exe

description	pid	process	target process
PID 4312 set thread context of 2444	4312	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe
PID 1840 set thread context of 3840	1840	csrsll.exe	csrsll.exe
PID 1840 set thread context of 4600	1840	csrsll.exe	csrsll.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

csrsll.exe

description	pid	process
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe
Token: SeDebugPrivilege	3840	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.execsrsll.execsrsll.exe

pid	process
4312	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe
2444	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe
1840	csrsll.exe
3840	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.execmd.execsrsll.exe

description	pid	process	target process
PID 4312 wrote to memory of 2444	4312	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe
PID 4312 wrote to memory of 2444	4312	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe
PID 4312 wrote to memory of 2444	4312	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe
PID 4312 wrote to memory of 2444	4312	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe
PID 4312 wrote to memory of 2444	4312	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe
PID 4312 wrote to memory of 2444	4312	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe
PID 4312 wrote to memory of 2444	4312	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe
PID 4312 wrote to memory of 2444	4312	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe
PID 2444 wrote to memory of 1708	2444	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe	cmd.exe
PID 2444 wrote to memory of 1708	2444	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe	cmd.exe
PID 2444 wrote to memory of 1708	2444	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe	cmd.exe
PID 1708 wrote to memory of 4216	1708	cmd.exe	reg.exe
PID 1708 wrote to memory of 4216	1708	cmd.exe	reg.exe
PID 1708 wrote to memory of 4216	1708	cmd.exe	reg.exe
PID 2444 wrote to memory of 1840	2444	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe	csrsll.exe
PID 2444 wrote to memory of 1840	2444	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe	csrsll.exe
PID 2444 wrote to memory of 1840	2444	2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe	csrsll.exe
PID 1840 wrote to memory of 3840	1840	csrsll.exe	csrsll.exe
PID 1840 wrote to memory of 3840	1840	csrsll.exe	csrsll.exe
PID 1840 wrote to memory of 3840	1840	csrsll.exe	csrsll.exe
PID 1840 wrote to memory of 3840	1840	csrsll.exe	csrsll.exe
PID 1840 wrote to memory of 3840	1840	csrsll.exe	csrsll.exe
PID 1840 wrote to memory of 3840	1840	csrsll.exe	csrsll.exe
PID 1840 wrote to memory of 3840	1840	csrsll.exe	csrsll.exe
PID 1840 wrote to memory of 3840	1840	csrsll.exe	csrsll.exe
PID 1840 wrote to memory of 4600	1840	csrsll.exe	csrsll.exe
PID 1840 wrote to memory of 4600	1840	csrsll.exe	csrsll.exe
PID 1840 wrote to memory of 4600	1840	csrsll.exe	csrsll.exe
PID 1840 wrote to memory of 4600	1840	csrsll.exe	csrsll.exe
PID 1840 wrote to memory of 4600	1840	csrsll.exe	csrsll.exe
PID 1840 wrote to memory of 4600	1840	csrsll.exe	csrsll.exe
PID 1840 wrote to memory of 4600	1840	csrsll.exe	csrsll.exe
PID 1840 wrote to memory of 4600	1840	csrsll.exe	csrsll.exe

C:\Users\Admin\AppData\Local\Temp\2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe
"C:\Users\Admin\AppData\Local\Temp\2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4312

C:\Users\Admin\AppData\Local\Temp\2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe
"C:\Users\Admin\AppData\Local\Temp\2107d64fa7bfe51316b2d1970751b4a68e3e23e395e16cb5c909c84ca3308339.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2444

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TSGHD.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
4⤵
- Adds Run key to start application
PID:4216

C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1840

C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3840

C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
4⤵
- Executes dropped EXE
PID:4600

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\TSGHD.txt
Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
Filesize
326KB

MD5
e80bc2fa34cc0e3c7e03ef96f750f335

SHA1
eec8901dc2cfee224367cd78991a4701d23a4031

SHA256
7dfebbd4d375dab5dcf09c8dfaa546f5679f3438c9a858c9ed595527f47c67fe

SHA512
7cdf3fab1fe9fd23a1f836e22d698ffab0a0d2e1ea444ab3e232922539e9805b760e41acf03d1cca63b341cd205a1e6623343b3586307e42786e00128e456e0d

Download Submit
memory/1840-45-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1840-33-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2444-51-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2444-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2444-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2444-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3840-53-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4312-9-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4312-5-0x0000000002A10000-0x0000000002A12000-memory.dmp

Filesize
8KB

Download
memory/4312-6-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/4312-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4600-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4600-38-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4600-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4600-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4600-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4600-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads