c26505b5b75a888d19999cb170e8ad9334a0f8db6d7465577edb0bc8ebd304f0

Analysis

max time kernel
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/10/2026, 04:26

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General

Target
jaffacakes118_Trojan-Ransom.Win32.Zerber.eymm.exe
Size 243KB
Sample261016-e2wptag17t
SHA256 c26505b5b75a888d19999cb170e8ad9334a0f8db6d7465577edb0bc8ebd304f0
MD5 b5a9c302c3c1a2fd91eb9a97ff898abd
SHA1 ff5fd4bdd6152d8b089eb15f798bca8ee20cc68d
SHA512 0a1d626ed91f2321331f8a6b74dc66627bb828c0d0b2809c1d73158e55ec60670a3ed2689e43ee531ec51e51daeed7e953688d485a47607cf430c73b5f860659
SSDEEP 6144:lpkXch98aOfZkeAL/aeulpt2e3YvB2uZSiW8wV6zl:8uufZzALyvlpt2cYvB2bDVal
TLSH
T14D341240F3A1C477D9A3CB711ABB7BB78F66D92199155B0223142F2D3E06B52BC2F251
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
6064	jaffacakes118_Trojan-Ransom.Win32.Zerber.eymm.exe
6064	jaffacakes118_Trojan-Ransom.Win32.Zerber.eymm.exe
6064	jaffacakes118_Trojan-Ransom.Win32.Zerber.eymm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 6064 set thread context of 5060	6064	jaffacakes118_Trojan-Ransom.Win32.Zerber.eymm.exe	89

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 1 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	jaffacakes118_Trojan-Ransom.Win32.Zerber.eymm.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 6064 wrote to memory of 5060	6064	jaffacakes118_Trojan-Ransom.Win32.Zerber.eymm.exe	89
PID 6064 wrote to memory of 5060	6064	jaffacakes118_Trojan-Ransom.Win32.Zerber.eymm.exe	89
PID 6064 wrote to memory of 5060	6064	jaffacakes118_Trojan-Ransom.Win32.Zerber.eymm.exe	89
PID 6064 wrote to memory of 5060	6064	jaffacakes118_Trojan-Ransom.Win32.Zerber.eymm.exe	89
PID 6064 wrote to memory of 5060	6064	jaffacakes118_Trojan-Ransom.Win32.Zerber.eymm.exe	89

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Ransom.Win32.Zerber.eymm.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Ransom.Win32.Zerber.eymm.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6064
- C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Ransom.Win32.Zerber.eymm.exe
  "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Ransom.Win32.Zerber.eymm.exe"
  2⤵
  PID:5060

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsm873.tmp\System.dll
Size 11KB
SHA256 982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b
MD5 0ff2d70cfdc8095ea99ca2dabbec3cd7
SHA1 10c51496d37cecd0e8a503a5a9bb2329d9b38116
SHA512 cb5fc0b3194f469b833c2c9abf493fcec5251e8609881b7f5e095b9bd09ed468168e95dda0ba415a7d8d6b7f0dee735467c0ed8e52b223eb5359986891ba6e2e
SSDEEP 192:eK24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35OlASl:u8QIl975eXqlWBrz7YLOlA
TLSH
T12B325C02135481F3E4918138C86B3A276B6A15029BF98E57DFD39646BE30BE3BD7D603
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

underdrains.dll

Path C:\Users\Admin\AppData\Roaming\underdrains.dll
Size 11KB
SHA256 e586459138cc3e0d446fb9dc82eedecc31d12955205dafda75fa70932e3aec57
MD5 bf9d50c36761e349775603819eb874cf
SHA1 c62da19f33e518be5bc20cd650cfc4c73eb76114
SHA512 3ee543f801c1b69096f541cbc1445910afbd7d375e14c1b78d51937378cc9ade7f75643a0eaf3c1e7aee44c8876892339ad1d96a8fd6537a30b72f0eaadf64da
SSDEEP 192:Vfvem/YmbO/oiUAnqt8ilNGe3u5I7WvY9JTLtumyEC:VneEbqYbNR3MRvYPomg
TLSH
T112320A427F4141F1FBFA02B8EC77325A4617ACAC67D6C5119A934B4DBE6211231EC63E
MD5 SHA1 SHA512 SSDEEP TLSH