latentbot | 2fee86d849e6278d839051f494180858042d5b9f642e15468964f29d1fdb96e7

General

Target

b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.exe
Size

736KB
MD5

b2436aff8a1ff36197471da9f41d7449
SHA1

ded3e41038b5b704e010dcd1fcfadb856459c9d4
SHA256

2fee86d849e6278d839051f494180858042d5b9f642e15468964f29d1fdb96e7
SHA512

d3052e739857939e9a88165859d51f8716a3a4a0018a01370f1d6d1d0a31712077f007889a9e823753d9601ecddaa5ae6fcb8d9d8bc9079d2f409ad887cc3128
SSDEEP

12288:Yxo7YNQg2YcKify3iTntxrr0cuUPnIpVwDIX9cgtWb2Y+/mooOCUYuQ:YKwQrsiK3Sr0ckHCb2CgC1

Score

10^/10

latentbot modiloader discovery evasion persistence trojan upx

Malware Config

Extracted

Family

latentbot

C2

thenewhacker.zapto.org

Signatures

LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot
Latentbot family
latentbot
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Modiloader family
modiloader

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.EXE

ModiLoader Second Stage 20 IoCs

resource	yara_rule
behavioral1/memory/492-16-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/492-18-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/492-17-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/492-19-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/492-30-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1288-48-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1288-49-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1288-55-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1288-58-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1288-59-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1288-62-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1288-65-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1288-68-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1288-72-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1288-75-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1288-78-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1288-81-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1288-84-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1288-87-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2
behavioral1/memory/1288-90-0x0000000000400000-0x0000000000451000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
1944	mstwain32.exe
1288	mstwain32.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.EXE"	mstwain32.EXE

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.EXE
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.EXE
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.EXE

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2860 set thread context of 492	2860	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.exe	28
PID 1944 set thread context of 1288	1944	mstwain32.exe	33

UPX packed file 27 IoCs

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

upx

resource	yara_rule
behavioral1/memory/492-11-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/492-14-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/492-8-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/492-5-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/492-15-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/492-16-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/492-18-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/492-17-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/492-19-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/492-30-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-48-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-46-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-45-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-49-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-55-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-58-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-59-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-62-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-65-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-68-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-72-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-75-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-78-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-81-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-84-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-87-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1288-90-0x0000000000400000-0x0000000000451000-memory.dmp	upx

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\cmsetac.dll	mstwain32.EXE
File created	C:\Windows\mstwain32.exe	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.EXE
File opened for modification	C:\Windows\mstwain32.exe	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.EXE
File opened for modification	C:\Windows\mstwain32.EXE	mstwain32.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.EXE

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 4 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	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	492	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.EXE
Token: SeBackupPrivilege	2076	vssvc.exe
Token: SeRestorePrivilege	2076	vssvc.exe
Token: SeAuditPrivilege	2076	vssvc.exe
Token: SeDebugPrivilege	1288	mstwain32.EXE
Token: SeDebugPrivilege	1288	mstwain32.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2860	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.exe
2860	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.exe
1944	mstwain32.exe
1944	mstwain32.exe
1288	mstwain32.EXE
1288	mstwain32.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 492	2860	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.exe	28
PID 2860 wrote to memory of 492	2860	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.exe	28
PID 2860 wrote to memory of 492	2860	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.exe	28
PID 2860 wrote to memory of 492	2860	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.exe	28
PID 2860 wrote to memory of 492	2860	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.exe	28
PID 2860 wrote to memory of 492	2860	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.exe	28
PID 2860 wrote to memory of 492	2860	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.exe	28
PID 2860 wrote to memory of 492	2860	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.exe	28
PID 492 wrote to memory of 1944	492	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.EXE	32
PID 492 wrote to memory of 1944	492	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.EXE	32
PID 492 wrote to memory of 1944	492	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.EXE	32
PID 492 wrote to memory of 1944	492	b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.EXE	32
PID 1944 wrote to memory of 1288	1944	mstwain32.exe	33
PID 1944 wrote to memory of 1288	1944	mstwain32.exe	33
PID 1944 wrote to memory of 1288	1944	mstwain32.exe	33
PID 1944 wrote to memory of 1288	1944	mstwain32.exe	33
PID 1944 wrote to memory of 1288	1944	mstwain32.exe	33
PID 1944 wrote to memory of 1288	1944	mstwain32.exe	33
PID 1944 wrote to memory of 1288	1944	mstwain32.exe	33
PID 1944 wrote to memory of 1288	1944	mstwain32.exe	33

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.EXE

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Users\Admin\AppData\Local\Temp\b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.EXE
  b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.EXE
  2⤵
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:492
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\b2436aff8a1ff36197471da9f41d7449_JaffaCakes118.EXE"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1944
  - - C:\Windows\mstwain32.EXE
      mstwain32.EXE
      4⤵
      UAC bypass
      Executes dropped EXE
      Adds Run key to start application
      Checks whether UAC is enabled
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      System policy modification
      PID:1288

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\mstwain32.exe

Filesize
736KB

MD5
b2436aff8a1ff36197471da9f41d7449

SHA1
ded3e41038b5b704e010dcd1fcfadb856459c9d4

SHA256
2fee86d849e6278d839051f494180858042d5b9f642e15468964f29d1fdb96e7

SHA512
d3052e739857939e9a88165859d51f8716a3a4a0018a01370f1d6d1d0a31712077f007889a9e823753d9601ecddaa5ae6fcb8d9d8bc9079d2f409ad887cc3128

Download Submit
\??\c:\users\admin\appdata\local\temp\00000000

Filesize
14B

MD5
437688a3fb0bbaf640349c9b7f05f984

SHA1
97df96c2bdd5d5b05aa96d2fb5ef101d01ec6b05

SHA256
418e93ceeec20631a7d40ed45e97fe58937f512f3b4625ffe9c36ebd5aa2b67f

SHA512
29e2d2774d96467b2b56eaabd6f81462b6b86f74cc6824e42da98198d72bb3aa002d1960c666d5b7e1acc7d8fd0b9a0f7e94ec18d5ab0b666c804d8b0830ef11

Download Submit
memory/492-3-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/492-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/492-8-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/492-5-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/492-11-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/492-15-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/492-16-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/492-18-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/492-17-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/492-19-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/492-14-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/492-30-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-65-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-59-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-46-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-45-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-90-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-49-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-53-0x00000000004B0000-0x00000000004BE000-memory.dmp

Filesize
56KB

Download
memory/1288-55-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-56-0x0000000000340000-0x0000000000348000-memory.dmp

Filesize
32KB

Download
memory/1288-57-0x00000000004B0000-0x00000000004BE000-memory.dmp

Filesize
56KB

Download
memory/1288-58-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-48-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-62-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-87-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-68-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-72-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-75-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-78-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-81-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1288-84-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1944-47-0x0000000000400000-0x00000000007AC01A-memory.dmp

Filesize
3.7MB

Download
memory/2860-12-0x0000000000400000-0x00000000007AC01A-memory.dmp

Filesize
3.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads