modiloader | c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 03:05

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General

Target

c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe
Size

300KB
MD5

b27bfa755d274c7faffdd11e68160090
SHA1

cfea8994af5d722f5af9f57ef390f5773e5b6ccd
SHA256

c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958
SHA512

f80332288edce12df755a0df6ecec38324f844757c141cdf7b6421ddeebdcaa4ec95e05ae3c9763fb90960804b3f45d26b72e95122470a104a54ec95dac7bd50
SSDEEP

3072:Ue2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38Gk:UsxD5cwohO+O1sVG0/pZ6iPC8S

Score

10^/10

modiloader discovery persistence trojan upx

Malware Config

Signatures

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

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/2236-254-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1248	csrsll.exe
952	csrsll.exe
2236	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2528	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe
2528	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe
2528	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe
2528	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe
2528	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2948 set thread context of 2528	2948	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	31
PID 1248 set thread context of 952	1248	csrsll.exe	36
PID 1248 set thread context of 2236	1248	csrsll.exe	37

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2528-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2528-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2528-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2528-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2528-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2528-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2528-148-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2236-241-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2528-245-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/952-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2236-254-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2948	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe
2528	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe
1248	csrsll.exe
952	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 2528	2948	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	31
PID 2948 wrote to memory of 2528	2948	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	31
PID 2948 wrote to memory of 2528	2948	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	31
PID 2948 wrote to memory of 2528	2948	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	31
PID 2948 wrote to memory of 2528	2948	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	31
PID 2948 wrote to memory of 2528	2948	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	31
PID 2948 wrote to memory of 2528	2948	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	31
PID 2948 wrote to memory of 2528	2948	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	31
PID 2528 wrote to memory of 2060	2528	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	32
PID 2528 wrote to memory of 2060	2528	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	32
PID 2528 wrote to memory of 2060	2528	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	32
PID 2528 wrote to memory of 2060	2528	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	32
PID 2060 wrote to memory of 1940	2060	cmd.exe	34
PID 2060 wrote to memory of 1940	2060	cmd.exe	34
PID 2060 wrote to memory of 1940	2060	cmd.exe	34
PID 2060 wrote to memory of 1940	2060	cmd.exe	34
PID 2528 wrote to memory of 1248	2528	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	35
PID 2528 wrote to memory of 1248	2528	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	35
PID 2528 wrote to memory of 1248	2528	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	35
PID 2528 wrote to memory of 1248	2528	c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe	35
PID 1248 wrote to memory of 952	1248	csrsll.exe	36
PID 1248 wrote to memory of 952	1248	csrsll.exe	36
PID 1248 wrote to memory of 952	1248	csrsll.exe	36
PID 1248 wrote to memory of 952	1248	csrsll.exe	36
PID 1248 wrote to memory of 952	1248	csrsll.exe	36
PID 1248 wrote to memory of 952	1248	csrsll.exe	36
PID 1248 wrote to memory of 952	1248	csrsll.exe	36
PID 1248 wrote to memory of 952	1248	csrsll.exe	36
PID 1248 wrote to memory of 2236	1248	csrsll.exe	37
PID 1248 wrote to memory of 2236	1248	csrsll.exe	37
PID 1248 wrote to memory of 2236	1248	csrsll.exe	37
PID 1248 wrote to memory of 2236	1248	csrsll.exe	37
PID 1248 wrote to memory of 2236	1248	csrsll.exe	37
PID 1248 wrote to memory of 2236	1248	csrsll.exe	37
PID 1248 wrote to memory of 2236	1248	csrsll.exe	37
PID 1248 wrote to memory of 2236	1248	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe
"C:\Users\Admin\AppData\Local\Temp\c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Users\Admin\AppData\Local\Temp\c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe
  "C:\Users\Admin\AppData\Local\Temp\c4c6dcfe7724bb5cb9aea24657ecde3113d24570bb8f5728a0e1102f3ba25958N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\QNMQE.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2060
  - - 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
      System Location Discovery: System Language Discovery
      PID:1940
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1248
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:952
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2236

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

Filesize
300KB

MD5
ceff29a5093848288ad99678aef6eaea

SHA1
2d4f91cac257db35b9e599dcd88b9d760a62177b

SHA256
a3f4347df0916fbbd2a87de7234ea68865d729d50d06a944be1ce45bb443421b

SHA512
823222fe63c234f3fc20f249b802739397db8ff36473f1018220ddc9ce1da6d66513178c3ef5b24a7ddfbd24c689b5533679ded5c50ff98a93d85bc582d4a819

Download Submit
memory/952-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1248-173-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/1248-161-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/1248-151-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2236-254-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2236-241-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2528-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-245-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-148-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2528-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2948-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2948-89-0x0000000000460000-0x0000000000462000-memory.dmp

Filesize
8KB

Download
memory/2948-69-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2948-90-0x0000000000470000-0x0000000000472000-memory.dmp

Filesize
8KB

Download
memory/2948-77-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/2948-87-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/2948-27-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2948-39-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2948-59-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2948-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2948-88-0x0000000000450000-0x0000000000452000-memory.dmp

Filesize
8KB

Download
memory/2948-3-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2948-5-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads